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.
86 10... Removing and installing or replacing left or right coil spring
Release screw (1) and remove, tilt shock absorber (2) in direction of arrow towards rear.
Installation:
Use new self-locking nut.
Hold shock absorber vertically and protective cap points upwards. Completely press in shock absorber once and pull out up to required installation length. Do not tilt shock absorber further than is needed for installation.
Tightening Torque,
refer to 86 10 21AZ, see 86 10 PLATFORM
The trailing arm folds down once the coil spring on the arm has been released.
No persons should be located underneath trailing arm. Risk of injury!
Release screw (1) between trailing arm (2) and coil spring.
Installation:
Tightening Torque,
refer to 86 10 22AZ, see 86 10 PLATFORM
Remove pressure plate (1) from coil spring (2).
Installation:
Use pressure plate with nut.
Fit pressure plate (1) according to its shape (3) into pressure spring (2).
Release screw (1) between coil spring (2) and longitudinal member (3). Remove small pressure plate (4) and large pressure plate (5).
Installation:
Use pressure plate without nut.
Fit small pressure plate (4) according to its shape (6) into pressure spring (2).
Tightening Torque,
refer to 86 10 23AZ, see 86 10 PLATFORM
Installation:
Two persons are needed to install the coil spring correctly. One person presses down the pressure plate (2) seated inside the coil spring (1) and tightens the coil spring (1) / trailing arm (3) screw connection. At the same time, the second person levers the coil spring (1) with a screwdriver into its correct seat.
Tightening Torque for coil spring (1)/trailing arm (3),
refer to 86 10 22AZ, see 86 10 PLATFORM
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.