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Pelican Technical Article:

Replacing the Front Bumper Shock

Mike Holloway

Time:

1 hour1 hr

Tab:

$200 to $500

Talent:

*

Tools:

14mm open ended wrench, 10mm and 12mm socket wrench with 6-inch extension, socket breaker wrench, (2) two jack stands

Applicable Models:

Mercedes-Benz R107 (1972-89)

Parts Required:

Front bumper shock

Hot Tip:

Use jack stands

Performance Gain:

Absorbs energy upon impact

Complementary Modification:

Replace bumper guard

The front bumper shock may need to be replaced if you have an accident and the shock is hyper-compressed. The front bumper has to be removed to replace the front bumper guard. The removal process is simplified by the use of jack stands. Refer to the Pelican article on removing the front bumper before accomplishing this project.

Locate the (2) two 12mm blots, which hold the fog lights to the bumper.
Figure 1

Locate the (2) two 12mm blots, which hold the fog lights to the bumper.

Using a 12mm socket wrench, loosen and remove each bolt that holds the fog lights to the bumper.
Figure 2

Using a 12mm socket wrench, loosen and remove each bolt that holds the fog lights to the bumper.

Using a 10mm closed end wrench, loosen and remove the (2) two nuts which hold the directional signals on to the bumper.
Figure 3

Using a 10mm closed end wrench, loosen and remove the (2) two nuts which hold the directional signals on to the bumper.

Remove the turn indicator lights and carefully set them behind the bumper.
Figure 4

Remove the turn indicator lights and carefully set them behind the bumper.

Locate the 12mm bolt which holds the bumper to the side.
Figure 5

Locate the 12mm bolt which holds the bumper to the side. The bolt is located in the wheel well. Removal of the wheel isn't required but turning the wheel all the way in either direction would aid in the removal.

Using a 12mm socket wrench, loosen and remove the bolt holding the bumper to the side.
Figure 6

Using a 12mm socket wrench, loosen and remove the bolt holding the bumper to the side.

Locate, loosen and remove (3) three of the (4) four bolts that hold the bumper in place.
Figure 7

Locate, loosen and remove (3) three of the (4) four bolts that hold the bumper in place. Loosen but do not remove the 4th bolt. This bolt shall keep the bumper in place while you remove the other bolts from the other side. Make sure the jack stands are in place and holding the bumper as you remove the four bolts from the other side. With all but one bolt holding the bumper in place and the jack stands supporting the bumper, remove the last bolt.

The bumper can now be removed by lifting it off of the jack stands.
Figure 8

The bumper can now be removed by lifting it off of the jack stands. Assembly is the reverse of disassembly.

Once the front bumper is removed, locate the bolts which secure the bumper shock.
Figure 9

Once the front bumper is removed, locate the bolts which secure the bumper shock. Using a 14mm, loosen and remove the 4 bolts that hold the retaining flange of the bumper shock.

Remove the bumper shock.
Figure 10

Remove the bumper shock. Steps for installing a new bumper shocks are the reverse of removal.

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Page last updated: Wed 5/24/2017 02:45:26 AM