Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
51 23... Adjusting/replacing bump stops: Notes
The graphics are schematic representations and are to be applied to the relevant vehicle type.
Prerequisite: Lid must be correctly adjusted.
Version 1:
Following parts must not be damaged:
- (1) Bump stop
Adjust bump stop (1) to correct height by turning left or right.
Type 2:
Replace damaged bump stops:
- (1) Bump stop
Adjusting version 2:
Turn lock (1) 45° counter-clockwise.
Pull bump stop (2) upwards.
Close lid slowly until it is at the same height as the side wall.
Open lid and turn lock (1) clockwise.
Installation note:
Press bump stop into sheet metal part and drive in expanding pins (3).
Version 3:
Lever out expanding rivets (1).
Remove bump stop (2).
Adjusting version 3:
Checking correct adjustment:
- Insert a strip of paper (normal writing paper) between bump stop and stop on body.
- Close lid. Make sure that the paper strip remains between bump stop and stop.
- The bump stop is correctly adjusted when the paper strip can be pulled out "with slight resistance".
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.