CN111746662A - A device for adjusting the position between body elements and a method for installing a front fender - Google Patents

Abstract

The present invention relates to the technical field of vehicle parts, and in particular, to a device for adjusting the position between body elements and a method for installing a front fender, the device including an upper region for adjusting the upper region of the front fender relative to the upper region of the front door A first adjustment device for the position of the a block connected to the second lever and holding the position of the front door; and a third block connected to the third lever and having a flat pin inserted into the gap between the front fender and the front door, wherein the second block is opposite to the first The blocks are independently movable and the third block is independently movable relative to the first block. The decorative structure is simple, and the front fender can be installed on the A-pillar by opening the front door on the premise of keeping the position of the front fender unchanged.

Description

A device for adjusting the position between body elements and a method for installing a front fender

technical field

The present invention relates to the technical field of vehicle parts, in particular to a device for adjusting the position between body elements and a method for installing a front fender.

Background technique

Generally, when installing body components, it is necessary to use a device for adjusting the positions between the body components, so as to ensure that the positions between the corresponding body components in each vehicle produced are consistent. For example, when installing the front fender, you need to ensure the gap between the front fender and the front door. When installing the tightening hole in the upper area of the front fender, you need to adjust the upper area of the front fender relative to the upper part of the front door. The position of the area to ensure the gap in the upper area between them; when installing the tightening holes in the lower area of the front fender, another device is required to adjust the position of the lower area of the front fender relative to the lower area of the front door. , to ensure the gap between the two in the lower area.

However, when the front fender is connected to the A-pillar at its upper rear end, if the tightening direction is disturbed by the closed front door, a third device is required when installing the front fender to perform the tightening operation after the door is opened. Such frequent replacement of the device not only increases the installation steps and costs, but also changes the position of the front fender due to the replacement of the device, which reduces the relative position accuracy between the front fender and the front door, thereby affecting the vehicle's performance. Perceived quality.

SUMMARY OF THE INVENTION

(1) Technical problems to be solved

The first object of the present invention is to provide a device for adjusting the position between body elements by opening the front door to install the front fender on the A-pillar on the premise of maintaining the position of the front fender with a simple structure, so as to solve the problem of The prior art cannot install the front fender on the A-pillar in the direction interfered by the front door while maintaining the position of the front fender.

The second object of the present invention is to provide a device for adjusting the position of the front fender on the A-pillar by opening the front door on the premise of maintaining the position of the front fender with a simple structure and adjusting the position between the body elements. The method of the front fender is to solve the problem that the prior art cannot install the front fender on the A-pillar in the direction interfered by the front door on the premise of maintaining the position of the front fender.

(2) Technical solutions

In order to solve the above technical problem, in one aspect, the present invention provides a device for adjusting the position between body elements, the device comprising a first adjusting device for adjusting the position of the upper region of the front fender relative to the upper region of the front door, The first adjustment device includes: a frame including at least a first rod, a second rod and a third rod; a first block connected to the first rod and maintaining the position of the front fender; a second block connected to the second rod and maintaining the position of the front door; and a third piece connected to the third rod and having a flat pin inserted into the gap between the front fender and the front door, wherein the second piece is independently movable relative to the first piece and the third piece Independently movable with respect to the first block.

According to a preferred embodiment of the above solution, the third block can move independently with respect to the first block, including one block remaining stationary and the third block rotating upward.

According to the preference of the above solution, the third rod is connected to the frame so as to be rotatable upwards.

According to a preference of the above solution, the second block is independently movable relative to the first block, including the first block remaining stationary and the second block rotating upward.

According to the preference of the above solution, the second rod is connected to the frame so as to be rotatable upwards.

According to the preference of the above solution, the third rod is fixedly connected to the second rod, so that the third rod rotates upward with the upward rotation of the second rod.

According to a preferred embodiment of the above solution, the third rod and the second rod are integrally formed.

According to a preferred embodiment of the above solution, the third blocks are formed in multiples and arranged along the gap between the front fender and the front door.

According to a preferred aspect of the above solution, the device further comprises a second adjusting device for adjusting the position of the lower region of the front fender relative to the lower region of the front door.

Another aspect of the present invention provides a method of installing a front fender using the above-described device, comprising: using a first adjustment device such that a first piece maintains the position of the front fender, a second piece maintains the position of the front door, and a third piece maintains the position of the front door. Insert three flat pins into the gap between the front fender and the front door; tighten the upper area of the front fender except the connection between the front fender and the A-pillar; keep the first Blocks do not move and move the second and third blocks to open the front doors; open the front doors and tighten the front fender to A-pillar junctions; remove the first adjuster and use the second after closing the front doors an adjustment device to adjust the position of the lower region of the front fender relative to the lower region of the front door; and tightening the lower region of the front fender.

(3) Beneficial effects

The above-mentioned technical scheme of the present invention has the following advantages:

One aspect of the present invention provides a device for adjusting a position between body elements, the device including a first adjustment device for adjusting a position of an upper region of a front fender relative to an upper region of a front door, the first adjustment device comprising: a frame, comprising at least a first rod, a second rod and a third rod; a first block, connected to the first rod and maintaining the position of the front fender; a second block, connected to the second rod and maintaining the position of the front door; and a third piece connected to the third rod and having a flat pin inserted into the gap between the front fender and the front door, wherein the second piece is independently movable with respect to the first piece and the third piece is movable with respect to the first piece Move independently. Therefore, the device provided by the present invention can move the second block and the third block independently under the condition that the position of the first block is kept unchanged, that is, the position of the front fender is kept unchanged, so as to eliminate the second block and the third block. The third block restricts the front door, which makes it possible to open the front door, thereby eliminating the interference caused by the front door when tightening the front fender and the A-pillar in the direction interfered by the door. Therefore, the device provided by the present invention can be suitable for tightening the connection between the front fender and the A-pillar in various directions, thereby simplifying the installation steps, reducing the required device for adjusting the position, reducing the cost, and reducing the position of the front fender. Changes, thereby improving the positional accuracy of the front fenders relative to the front doors, improving economy and perceived quality.

Description of drawings

Fig. 1 is the schematic diagram of the first adjustment device of the prior art;

Fig. 2 is the schematic diagram of the second adjustment device;

Figure 3 is a rear view of the front fender;

Figure 4 shows the connection of the front fender to the A-pillar;

Figure 5 shows that the connection between the front fender and the A-pillar is tightened along the Y direction;

Figure 6 shows that the connection between the front fender and the A-pillar is tightened in directions other than the Y direction;

Figure 7 shows the use of the third adjustment device after opening the front door;

FIG. 8 shows a schematic structural diagram of a first adjusting device according to the present invention;

Fig. 9 is the enlarged view in the box in Fig. 8;

Figure 10 is a side view of the first adjustment device according to the present invention;

Figure 11 shows tightening the connection between the front fender and the A-pillar after opening the door;

In the figure: 10: front fender; 10-1, 20-1: upper area; 10-2, 20-2: lower area; 20: front door; 100: first adjustment device; 200: second adjustment device ; 110: first piece; 120: second piece; 130: third piece; 1100: first rod; 1200: second rod; 1300: third rod; 1000: frame; 2000: gap.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

For the convenience of description, the forward direction of the vehicle is the X direction, the upward direction along the height of the vehicle is the Z direction, and the left-hand side of the driver facing forward is the Y direction, as shown in Figure 1, the X and Z directions, the Y direction The direction is vertically inward. The front-rear direction referred to herein is front-rear with respect to the traveling direction of the vehicle. The left and right described herein are the left and right side directions when the driver faces forward, and the up and down directions described herein are the up and down directions along the height direction of the vehicle.

When installing the front fender, in order to ensure that the gap between the front fender and the front door of each vehicle produced on the production assembly line is consistent, it is necessary to use the adjustment tool for adjusting the position of the front fender relative to the front door. Adjustment device. For example, as shown in FIG. 1 , when tightening the upper area of the front fender, the first adjusting device 100 needs to be used to ensure the distance between the upper area 10 - 1 of the front fender 10 and the upper area 20 - 1 of the front door 20 . gap. After the tightening of the upper area 10-1 of the front fender 10 is completed, the first adjusting device 100 is replaced with the second adjusting device 200. As shown in FIG. 2, the second adjusting device 200 is used to ensure the front fender 10 The gap between the lower region 10 - 2 of the front door 20 and the lower region 20 - 2 of the front door 20 . The division of the upper and lower regions of the front fender is shown in Figure 3.

The first adjusting device 100 includes a first block 110 for compressing the front fender 10 , a second block 120 for compressing the front door 20 , and a gap for inserting between the front door 20 and the front fender 10 The third block 130. The first piece 110 compresses the front fender 10 in the Y and Z directions and maintains the position of the front fender 12 relative to the front door 20; the second piece 120 compresses the front door in the Y direction to ensure the position of the front door The third block 130 is inserted in the gap between the front door 20 and the front fender 10 to ensure the gap between the front door 20 and the front fender 10, thereby ensuring the front door in the vehicle produced on the production line Be consistent with the gap between the front fenders. As can be seen from FIG. 1 , the first piece 110 for pressing the front fender 10 and the third piece 130 inserted into the gap between the front fender 10 and the front door 20 are fixed on the same first rod 140 , so that the first block 110 and the third block 130 can move simultaneously.

The rear and upper end of the front fender 10 is connected to the A-pillar, as indicated by the circular frame in FIG. 4 , if the fastening direction is along the Y direction, when the first adjusting device 100 is used, close the The front door 20 does not interfere with the fastening direction here, as shown in FIG. 5, so as not to interfere with the fastening work of the worker. If the tightening direction here is not along the Y direction, such as the direction shown by the arrow in Figure 6, such directions are collectively referred to as the direction interfered by the front door in this specification, and the front door needs to be opened and then tightened. As shown in FIG. 7 , the third adjusting device 300 is required to adjust the position of the front fender 10 relative to the front door 20 after the front door 20 is opened, and then perform the tightening operation here. In this way, three adjustment devices need to be used in the process of installing the front fender 10, which not only makes the installation process cumbersome and complicated, increases the installation cycle, and increases the production cost, but also because the first adjustment device 100 must be removed when the third adjustment device 300 is replaced. , so that the first piece 110 of the first adjusting device 100 for pressing the front fender 10 and the second piece 120 for pressing the front door 20 also leave, thus causing the position of the front fender 10 to occur. Therefore, the position of the front fender 10 when the first adjusting device 100 is used is different from the position when the third adjusting device 300 is used, thereby reducing the positional accuracy of the front fender 10 relative to the front door 20 and reducing the position of the front wing The installation position accuracy of the sub-board 10 affects the perceived quality of the vehicle.

Thus, the present invention provides a device for adjusting the position between body elements. Specifically, the present invention provides an apparatus for adjusting the position of a front fender relative to a front door.

The device comprises a first adjusting device 100 for adjusting the position of the upper region 10-1 of the front fender 10 relative to the upper region 20-1 of the front door 20; and a second adjusting device 200 for adjusting the front wing The position of the lower region 10 - 2 of the panel 10 relative to the lower region 20 - 2 of the front door 20 . The division of the upper region 10-1 of the front fender 10 and the lower region 10-2 of the front fender 10 is shown with reference to FIG. 3 , wherein the lower region 10-1 of the front fender 10 includes two lowermost point, the upper region 10-1 includes other tightening points in addition to the two lower tightening points. Accordingly, the upper area 20 - 1 of the front door 20 corresponds to the upper area 10 - 1 of the front fender 10 , and the lower area 20 - 2 of the front door 20 corresponds to the lower area 10 - 2 of the front fender 10 . Among the tightening points included in the upper region 10 - 1 of the front fender 10 , one tightening point is included at the connection between the front fender and the A-pillar, wherein the connection between the front fender and the A-pillar refers to the position shown in FIG. 4 . The tightening point at this location is hereinafter referred to as the A-pillar tightening point.

The device is also used for a second adjusting device 200 for adjusting the position of the lower region 10-2 of the front fender 10 relative to the lower region 20-2 of the front door 20, which can be adjusted by using a common adjusting device in the art with reference to FIG. 2 . accomplish.

The first adjusting device 100 includes: a frame 1000, including at least a first rod 1100, a second rod 1200 and a third rod 1300; a first block 110, connected to the first rod 1100 and maintaining the position of the front fender 10; Two pieces 120, connected to the second rod 1200 and holding the position of the front door 200; and a third piece 130, connected to the third rod 1300 and having a flat pin inserted into the gap 2000 between the front fender 10 and the front door 20 (not shown), wherein the second mass 120 is independently movable relative to the first mass 110 and the third mass 130 is independently movable relative to the first mass 110, the movement described herein includes linear movement or rotation.

Specifically, the frame 1000 includes all other structures except the first block 110 , the second block 120 and the third block 130 . The frame 1000 is used to support the first block 110 , the second block 120 and the third block 130 . The first piece 110 is attached to the first rod 1100 and maintains the position of the front fender 10 .

Specifically, the first piece 110 is connected to the end of the first rod 1100, and the front fender 10 is pressed in the Y and Z directions at the rear upper end of the front fender 10, so that the front fender 10 is placed in the remain stationary in position. The first rod 1100 can be fixed on the frame 1000 horizontally or can be fixed on the frame 1000 vertically, and the position and angle of the first rod 1100 can be adjusted as required.

The second block 120 is connected to the end of the second rod 1200, and presses the front door 20 in the Y direction at the front upper end of the front door 20 to keep the position of the front door 20 unchanged, so as to be related to the front wing whose position is kept unchanged The relative position of the sub-panel 10 remains unchanged, so as to ensure the relative position accuracy of the front fender 10 and the front door 20 during the installation process, thereby ensuring the installation accuracy of the front fender 10 . When the front door 20 is closed, the second block 120 presses the front door 20 in the Y direction, so that the front door 20 cannot be opened. When the A-pillar tightening point is tightened along the Y direction, the closed front door 20 does not interfere with the tightening operation, so the position of the second block 120 may not be moved. When tightening the A-pillar tightening point in other directions except the Y direction, that is, tightening the A-pillar tightening point along the direction interfered by the front door, move the second block 120 so that the second block 120 does not limit the position of the front door 20 . The movement of the second block 120 can move to the corresponding area of the front door 20 in the horizontal direction, that is, move forward or backward to the area away from the front door 20; the movement of the second block 120 can move up or down in the vertical direction Or the movement of the second block 120 can be rotated up or right to the area away from the front door 20 , so that the position of the moved or rotated second block 120 does not affect the opening of the front door 20 . The second rod 1200 can be connected to the frame 1000 vertically or horizontally or at any other angle, wherein the connection direction of the second rod 1200 can be reasonably selected according to the structure and relative position of the frame and the door element according to the space. The second block 120 may move on the second rod 1200 or may move relative to the frame 1000 together with the second rod 1200 . The moving manner and direction or rotation manner or method of the second block 120 may be specifically selected according to the connection direction of the second rod 1200 and the structure of the first adjusting device 100 .

Preferably, as shown in FIG. 8 and FIG. 9 , the second rod 1200 is vertically connected to the frame 1000 , and the second block 120 is fixed at the end of the second rod 1200 , and the second rod 1200 is rotatably connected to the frame 1000 superior. Specifically, the second rod 1200 is connected to the frame 1000 through a bearing. The second rod 1200 and the second block fixed on the second rod 1200 can rotate upward around the bearing to a height higher than the front door 20 so as not to affect the opening of the front door 20 . The first block 110 is connected to the frame 1000 through the first rod 1100, so the movement of the second block 120 will not affect the first block 110, so when the second block 120 moves or rotates, the first block 110 can pass the first rod 1100 remains in the original position, so as to ensure that the position of the front fender 10 does not move, so when the front door 20 is opened to tighten the A-pillar fastening points, since the position of the first piece 110 has not changed, the front fender 10 The position of the front fender 10 is not changed, so the relative position accuracy of the front fender 10 and the front door 20 is ensured, and the installation accuracy of the front fender 10 is improved.

The third block 130 is connected to the third rod 1300 and has a flat pin (not shown) inserted into the gap 2000 between the front fender 10 and the front door 20 . The specific structure of the third block 130 includes a front door portion parallel to the front door and abutting against the front door 20 and a front fender portion parallel to the front fender 10 and abutting against the front fender 10, the front door portion The flat pin may be on the same plane as the front fender portion, and the flat pin extends vertically inwardly with the front door portion and the front fender portion to be inserted into the gap 2000 between the front door 20 and the front fender 10 . When installing the front fender for each vehicle, by using the same first adjusting device 100 and flat pins of the same thickness to ensure that the gap between the front door 20 and the front fender 10 in each vehicle is consistent, Improve the installation accuracy of the front fenders and improve the perceived quality of the vehicle. Preferably, the first adjusting device 100 includes a plurality of third blocks 130 and the plurality of third blocks 130 are distributed along the length of the gap 2000 between the front fender 10 and the front door 20 to ensure that the width of the gap 2000 is along the length Uniformity in direction.

After the front fender 10 is installed, the front door 20 is closed, and the first block 110 and the second block 120 press the front fender 10 and the front door 20 respectively and restrict the position movement, and the flat pin of the third block 130 is inserted In the gap between the front fender 10 and the front door 20, ensure the gap between the front door 20 and the front fender 10. When the A-pillar tightening point is tightened along the Y direction, the closed front door 20 will not affect the tightening. Therefore, on the premise of not moving the first block 110 , the second block 120 and the third block 130 , the tightening operation on the upper area of the front fender is performed. When the tightening direction of the A-pillar tightening point is not along the Y direction, for example, in the direction interfered by the front door, the closed front door 20 will affect the tightening effect of the A-pillar tightening.

The third block 130 is independently movable relative to the first block 110 including the first block 110 remaining stationary and the third block 130 moving. Specifically, the third block 130 can move relative to the third rod 1300 or relative to the frame 1000 together with the third rod 1300 , while the first block 110 is kept at the original position by the first plate 1100 . Preferably, the third block 130 rotates relative to the third rod 1300 or rotates relative to the frame 1000 together with the third rod 1300 , so as to facilitate the extraction of the flat pin from the slot 2000 . The third rod 1300 may be connected to the frame 1000 horizontally or vertically or at other angles. The specific connection manner and angle of the third rod 1300 can be selected according to the specific structure of the frame 1000 . The third block 130 can be rotated upward or right, so that the rotated position of the third block 130 does not affect the opening of the front door 20 . Since the third piece 130 is located at the connection between the front door 20 and the front fender 10 , the area where the flat pin is drawn out from the slit 2000 and leaves the front door 20 is sufficient. Preferably, the third rod 130 is vertically connected on the frame 1000 and the third block 130 is fixed on the end of the third rod 1300, and the third rod 1300 is rotatably connected upward on the frame, whereby the third block 130 can Rotate up with the third lever 1300 so that the flat pin leaves the slot 2000 . Specifically, the third rod 1300 may be connected to the frame 1000 through a bearing, so that the third rod 1300 may rotate upward around the bearing. According to another embodiment, as shown in FIGS. 9 to 11 , when the second rod 1200 is vertically rotatably connected to the frame 1000 as described above and the second block 120 is fixed on the second rod 1200 , The third rod 130 can be fixed on the second rod 1200, so that the third rod 1300 can rotate upward together with the second rod 1200, and thereby drive the second block 120 on the second rod 1200 and the first block 120 on the third rod 1300. Three pieces 130 rotate upwards. In this way, not only the structure of the first adjusting device can be simplified, but also the second block 120 and the third block 130 can be rotated simultaneously through one operation, which can further simplify the operation steps and installation steps, thereby saving time and having better economy. , the second rod 1200 and the third rod 1300 may be integrally formed to further simplify the manufacturing process. Further, according to the positional relationship between the second block 120 and the third block 130 , the third rod 1300 may be formed by extending downward from the second rod 1200 . In this way, the front door portion of the third block 1300 is connected to the third rod 1300 .

Another aspect of the present invention also provides a method for installing a front fender using the above device, comprising:

Using the first adjusting device 100, the first piece 110 presses the front fender 10 in the Y and Z directions at the rear upper end of the front fender 10 to keep the front fender 10 in this position, and the first The two pieces 120 press the front door 20 in the Y direction at the front upper end of the front door 20, so that the front door 20 is kept at this position, and the flat pin of the third piece 130 is inserted between the front door 20 and the front fender 10 In the gap 2000, to ensure the relative position between the front fender 10 and the front door 20;

tightening other tightening points except the A-pillar tightening points in the upper region of the front fender 10;

Keeping the position of the first block 110, rotate the second rod 1200 and the third rod 1300 upward, so that the second block 120 on the second rod 1200 and the third block 130 on the third rod 1300 rotate upward, so that the flat pin leaving the gap 2000 and leaving the area of the front door 20, as shown in FIG. 11, so that the front door 20 can be opened;

Open the front door 20 and tighten the A-pillar tightening points;

removing the first adjusting device 100 and using the second adjusting device 200 to adjust the position of the lower region 10-2 of the front fender 10 relative to the lower region 20-2 of the front door 20 after closing the front door 20;

And tighten the lower region 10-2 of the front fender 10 to complete the installation of the front fender.

In summary, the present invention provides a device for adjusting the position between body elements, the device comprising a first adjustment device for adjusting the position of the upper region of the front fender relative to the upper region of the front door, the first adjustment The device includes: a frame including at least a first rod, a second rod and a third rod; a first block connected to the first rod and maintaining the position of the front fender; a second block connected to the second rod and holding the front door and a third piece connected to the third rod and having a flat pin inserted into the gap between the front fender and the front door, wherein the second piece is independently movable with respect to the first piece and the third piece is independently movable with respect to the first piece One piece can be moved independently. Therefore, the device provided by the present invention can move the second block and the third block independently under the condition that the position of the first block is kept unchanged, that is, the position of the front fender is kept unchanged, so as to eliminate the second block and the third block. The third block restricts the front door, which makes it possible to open the front door, thereby eliminating the interference caused by the front door when tightening the front fender and the A-pillar in the direction interfered by the door. Therefore, the device provided by the present invention can be suitable for tightening the connection between the front fender and the A-pillar in various directions, thereby simplifying the installation steps, reducing the required device for adjusting the position, reducing the cost, and reducing the position of the front fender. Changes, thereby improving the positional accuracy of the front fenders relative to the front doors, improving economy and perceived quality.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still be The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An apparatus for adjusting a position between vehicle body elements, the apparatus comprising a first adjustment device for adjusting a position of an upper region of a front fender relative to an upper region of a front door, the first adjustment device comprising:

a frame comprising at least a first bar, a second bar, and a third bar;

a first block connected to the first bar and maintaining a position of the front fender panel;

a second block connected to the second rod and holding a position of the front door; and

a third bar connected to the third bar and having a cotter inserted into a gap between the front fender and the front door,

wherein the second block is independently movable relative to the first block and the third block is independently movable relative to the first block.

2. The apparatus of claim 1, wherein the third block being independently movable relative to the first block comprises the block remaining stationary and the third block rotating upward.

3. The apparatus of claim 2, wherein the third bar is upwardly rotatably connected to the frame.

4. The apparatus of claim 2, wherein the second block being independently movable relative to the first block comprises the first block remaining stationary and the second block rotating upward.

5. The apparatus of claim 4, wherein the second rod is upwardly rotatably connected to the frame.

6. The device of claim 5, wherein the third rod is fixedly attached to the second rod to effect upward rotation of the third rod with upward rotation of the second rod.

7. The device of claim 6, wherein the third rod is integrally formed with the second rod.

8. The apparatus of claim 1, wherein the third piece is formed in plurality and is disposed along a gap between the front fender and the front door.

9. The apparatus of claim 1, further comprising a second adjustment device for adjusting a position of a lower region of the front fender panel relative to a lower region of the front door.

10. A method of mounting a front fender using an apparatus according to any one of claims 1 to 9, comprising:

using a first adjustment device such that a first block holds the position of the front fender, a second block holds the position of the front door, and a cotter pin of a third block is inserted into a gap between the front fender and the front door;

tightening other areas of the upper area of the front fender except for the connection part of the front fender and the A pillar;

holding the first block stationary and moving the second and third blocks such that a front door is open;

opening the front door and tightening the joint of the front fender and the A column;

removing the first adjustment device and using a second adjustment device after closing the front door to adjust a position of a lower region of the front fender relative to a lower region of the front door; and is

Tightening a lower region of the front fender panel.

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