How to change rear suspension strut on Mini R50, R53 – replacement guide
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Important!
This replacement procedure can be used for:
MINI Hatchback (R50, R53) One,
MINI Hatchback (R50, R53) Cooper,
MINI Hatchback (R50, R53) Cooper S,
MINI Hatchback (R50, R53) One D,
MINI Hatchback (R50, R53) Works,
MINI Hatchback (R50, R53) Cooper S,
MINI Hatchback (R50, R53) One D,
MINI Hatchback (R50, R53) S Works,
MINI Hatchback (R50, R53) One
…
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The steps may slightly vary depending on the car design.
How to change rear shock strut on MINI COOPER 1 (R50, R53) [TUTORIAL AUTODOC]
All the parts you need to replace – Shock Absorber for Hatchback (R50, R53) and other MINI models
Replacement: suspension strut – Mini R50, R53. Tip from AUTODOC experts:
Both shock struts of the rear suspension should be replaced simultaneously.
The replacement procedure is identical for the left and right shock struts of the rear suspension.
Warning! Shut down the engine before starting any work – Mini R50, R53.
Carry out replacement in the following order:
Step 1
Secure the wheels with chocks.
Step 2
Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 3
Raise the rear of the car and secure on supports.
Step 4
Unscrew the wheel bolts.
Replacement: suspension strut – Mini R50, R53. Tip:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 5
Remove the wheel.
Step 6
Clean the shock strut fasteners. Use a wire brush. Use WD-40 spray.
Step 7
Unscrew the lower fastener of the shock absorber strut. Use a drive socket #21. Use a ratchet wrench. Use a tap wrench.
Step 8
Disconnect the wiring and the brake hose from the bracket on the shock strut.
Step 9
Unscrew the upper fastening of the shock absorber strut. Use a drive socket #13. Use a ratchet wrench.
Replacement: suspension strut – Mini R50, R53. AUTODOC recommends:
To avoid injuries, hold the shock strut when undoing the fastening bolts.
Step 10
Remove the suspension strut.
Step 11
Set the shock absorber strut on the spring compressor tool.
Replacement: suspension strut – Mini R50, R53. AUTODOC experts recommend:
Note that when using a spring compressor, spring coils need to be securely gripped, compressing the spring on the opposite sides.Ensure the correct position of the spring in the retainer.Make sure that the spring coils tightly entered the lock handles.
Step 12
Compress the spring.
Step 13
Remove the strut piston rod nut. Use HEX No.H6. Use a combination spanner #19. Use a ratchet wrench.
Step 14
Remove the shock absorber mount, boot and bump stop.
AUTODOC recommends:
Replacement: suspension strut – Mini R50, R53. Carefully inspect the mount, the boot, and the bump stop of the shock absorber. Replace if necessary.
Step 15
Release the coil spring.
Step 16
Remove the spring.
Step 17
Remove the old shock absorber from the hydraulic coil spring compressor.
Replacement: suspension strut – Mini R50, R53. Professionals recommend:
Before installing a new shock absorber you should pump it manually 3-5 times.
Step 18
Install the new shock absorber on the hydraulic coil spring compressor.
Step 19
Install the dust sleeve and the bump stop on the new shock absorber.
Step 20
Install the spring on the shock absorber.
Step 21
Compress the spring.
Step 22
Install the upper strut mount and the strut mount bearing.
Step 23
Tighten the shock strut piston rod nut. Use HEX No.H6. Use a combination spanner #19. Use a torque wrench. Tighten it to 30 Nm torque.
Replacement: suspension strut – Mini R50, R53. AUTODOC recommends:
Check to make sure the spring is positioned correctly. Avoid its misalignment.
Step 24
Decompress the spring.
Step 25
Remove the assembled shock strut.
Step 26
Install the shock strut into the wheel arch.
Step 27
Tighten the shock strut top mount. Use a drive socket #13. Use a torque wrench. Tighten it to 56 Nm torque.
Step 28
Install the lower fastener of the shock strut.
AUTODOC recommends:
Mini R50, R53 – To avoid injury, hold the suspension strut while screwing in the fastening bolts.
Step 29
Support the arm. Use a hydraulic transmission jack.
Step 30
Tighten the lower fastening of the shock absorber. Use a drive socket #21. Use a torque wrench. Tighten it to 140 Nm torque.
Step 31
Remove the support from under the rear arm.
AUTODOC recommends:
Mini R50, R53 – Do not lower the transmission jack sharply to avoid damaging components and mechanisms of the car.
Step 32
Clean the wheel rim mounting seat. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 33
Install the wheel.
Replacement: suspension strut – Mini R50, R53. Tip from AUTODOC:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 34
Screw in the wheel bolts. Use wheel impact socket #17.
Step 35
Lower the car and working in a cross order, tighten the wheel bolts. Use a torque wrench. Tighten it to 110 Nm torque.
Step 36
Remove the jacks and chocks.
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