How to change front coil springs on Mercedes W201 – replacement guide
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Important!
This replacement procedure can be used for:
MERCEDES-BENZ 190 (W201) E 1.8 (201.018),
MERCEDES-BENZ 190 (W201) 2.0 (201.023),
MERCEDES-BENZ 190 (W201) 2.0 (201.023),
MERCEDES-BENZ 190 (W201) E 2.0 (201.024),
MERCEDES-BENZ 190 (W201) D 2.0 (201.122)
…
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The steps may slightly vary depending on the car design.
How to change front shock absorber and coil springs on MERCEDES W201 [TUTORIAL AUTODOC]
All the parts you need to replace – Springs for 190 (W201) and other MERCEDES-BENZ models
Both coil springs of the front suspension should be replaced simultaneously.
The replacement procedure is identical for the left and right coil springs of the front suspension.
All work should be done with the engine stopped.
Replacement: coil springs – Mercedes W201. Use the following procedure:
Step 1
Secure the wheels with chocks.
Step 2
Loosen the wheel bolts. Use wheel impact socket #17. Use a tap wrench.
Step 3
Raise the car.
AUTODOC recommends:
If you are using a jack, make sure it rests on a flat surface without any unevenness.Be sure to additionally secure the car with jack stands.
Step 4
Unscrew the wheel bolts.
AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. Mercedes W201
Step 5
Remove the wheel.
Step 6
Support the steering knuckle. Use a hydraulic transmission jack.
Step 7
Install the coil spring compressor on the coil spring.
AUTODOC recommends:
Use adapters and jaws of the appropriate size.The sping coils should be securely fixed with the coil spring compressor.Use high quality coil spring compressors.
Be careful. The compressed spring is powerful and can cause injury if it comes loose.
Step 9
Clean the fasteners of the stabilizer bush brackets. Use a wire brush. Use WD-40 spray.
Step 10
Unscrew the fasteners of the stabilizer bush brackets. Use a combination spanner #13. Use a drive socket #13. Use a ratchet wrench.
Step 11
Remove the fastening bolts.
Step 12
Remove the stabilizer bush brackets.
Step 13
Detach the anti-roll bar from the suspension arms.
Step 14
Clean the fastener connecting the ball joint to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 15
Clean the control arm fasteners. Use a wire brush. Use WD-40 spray.
Step 16
Make marks on the camber bolts.
Step 17
Unscrew the front fastener of the control arm. Use a combination spanner #22. Use a drive socket #22. Use a ratchet wrench.
Step 18
Unscrew the rear fastener of the control arm. Use a combination spanner #22. Use a drive socket #22. Use a ratchet wrench.
Step 19
Unscrew the fastener connecting the ball joint to the steering knuckle. Use a combination spanner #19. Use a drive socket #19. Use a ratchet wrench.
Step 20
Remove the fastening bolt.
Step 21
Remove the support from under the steering knuckle.
AUTODOC recommends:
Mercedes W201 – Do not lower the transmission jack sharply to avoid damaging components and mechanisms of the car.
Step 22
Disconnect the ball joint from the steering knuckle. Use a crowbar.
Step 23
Remove the coil spring together with the coil spring compressor.
AUTODOC recommends:
While the spring is compressed, do not do any operations on it.
Step 24
Clean the coil spring mounting seats. Use a wire brush. Use all-purpose cleaning spray.
Step 25
Clean the ball joint mounting seat. Use a wire brush. Use all-purpose cleaning spray.
Step 26
Decompress the spring.
Step 27
Put the coil spring compressor on the new spring.
AUTODOC recommends:
The position of the compressor on the new coil spring should be the same as on the old one.
Step 28
Compress the spring.
Replacement: coil springs – Mercedes W201. Tip:
Be careful. The compressed spring is powerful and can cause injury if it comes loose.
Step 29
Install the spring together with the compressor.
AUTODOC recommends:
Make sure that the coil spring is correctly positioned in its mounting seats.
Step 30
Connect the ball joint to the steering knuckle.
Step 31
Support the steering knuckle. Use a hydraulic transmission jack.
Step 32
Install the fastening bolt.
Step 33
Tighten the fastener connecting the ball joint to the steering knuckle. Use a combination spanner #19. Use a drive socket #19. Use a torque wrench. Tighten it to 75 Nm torque.
Step 34
Decompress the spring.
Step 35
Remove the coil spring compressor.
Step 36
For tightening the fasteners correctly, you have to jack up the suspension components to their working position.
Step 37
Adjust the position of the camber bolts according to the marks.
Step 38
Tighten the front fastener of the arm. Use a combination spanner #22. Use a drive socket #22. Use a torque wrench. Tighten it to 120 Nm torque.
Step 39
Tighten the rear fastener of the control arm. Use a combination spanner #22. Use a drive socket #22. Use a torque wrench. Tighten it to 120 Nm torque.
Step 40
Remove the support from under the steering knuckle.
Lower the hydraulic transmission jack smoothly, without jerks, to avoid damaging assemblies and mechanisms.
Step 41
Clean the brackets of the anti-roll bar bushings. Use a wire brush. Use all-purpose cleaning spray.
Step 42
Attach the anti-roll bar to the suspension arms. Use a crowbar.
Step 43
Install the stabilizer bush brackets.
Step 44
Install the fastening bolts.
Step 45
Tighten the fasteners on the anti-roll bar bush brackets. Use a combination spanner #13. Use a drive socket #13. Use a torque wrench. Tighten it to 20 Nm torque.
Step 46
Clean the wheel rim mounting seat. Use a wire brush. Use all-purpose cleaning spray.
Step 47
Treat the surface where the brake disc contacts the wheel rim. Use ceramic grease.
Step 48
Install the wheel.
AUTODOC recommends:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 49
Screw in the wheel bolts. Use wheel impact socket #17. Use a ratchet wrench.
Step 50
Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #17. Use a torque wrench. Tighten it to 110 Nm torque.
Step 51
Remove the jacks and chocks.
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