How to change front brake discs on Mini R50, R53 – replacement guide
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Recommended replacement interval for the part category Brake disc : 50000km
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) One
…
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The steps may slightly vary depending on the car design.
How to change front brake discs / front brake rotors on MINI COOPER 1 (R50, R52) [TUTORIAL AUTODOC]
All the parts you need to replace – Brake Discs for Hatchback (R50, R53) and other MINI models
Replace the brake disks on the car Mini R50, R53 in complete set for each axis. Regardless of the state of components. This will ensure even braking.
The replacement procedure is identical for both brake disks on the same axle.
When changing the brake discs, always replace the brake pads.
All work should be done with the engine stopped.
Replacement: brake discs – Mini R50, R53. Take the following steps:
Step 1
Open the bonnet. Unscrew the brake fluid reservoir cap.
Step 2
Secure the wheels with chocks.
Step 3
Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 4
Raise the front of the car and secure on supports.
Step 5
Unscrew the wheel bolts.
AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. Mini R50, R53
Step 6
Remove the wheel.
Step 7
Spread the brake pads. Use a crowbar.
Step 8
Treat the mounting seat of the brake caliper retaining spring. Use WD-40 spray.
Step 9
Detach the brake caliper retaining spring. Use a crowbar.
Step 10
Remove the dust boot caps of the brake caliper guide pins.
Step 11
Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
Step 12
Remove the brake caliper.
Replacement: brake discs – Mini R50, R53. AUTODOC recommends:
Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur.
Step 13
Unscrew the caliper bracket fastening. Use a drive socket #16. Use a tap wrench.
Step 14
Remove the caliper bracket.
Step 15
Unscrew the brake disc fastening. Use Torx T30. Use a ratchet wrench.
Step 16
Remove the brake disc.
Replacement: brake discs – Mini R50, R53. AUTODOC experts recommend:
If necessary, use a rubber mallet.
Step 17
Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 18
Install the brake disc.
Step 19
Tighten the brake disc fastening. Use Torx T30. Use a torque wrench. Tighten it to 9 Nm torque.
Step 20
Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use WD-40 spray.
Step 21
Install the brake caliper bracket.
Step 22
Tighten the brake caliper bracket. Use a drive socket #16. Use a torque wrench. Tighten it to 110 Nm torque.
Step 23
Install the brake caliper and fix it. Use HEX No.H7. Use a torque wrench. Tighten it to 30 Nm torque.
Replacement: brake discs – Mini R50, R53. Tip from AUTODOC:
Without starting the engine, press the brake pedal several times until you feel significant resistance.
Step 24
Install the brake caliper retaining spring.
Step 25
Install the dust boot caps of the brake caliper guide pins.
Step 26
Remove anti-corrosion grease from the new brake disk. Use a brake cleaner.
AUTODOC recommends:
Replacement: brake discs – Mini R50, R53. After applying the spray, wait a few minutes.
Step 27
Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 28
Install the wheel.
AUTODOC recommends:
Warning! To avoid injury, hold the wheel while screwing in the fastening bolts on the car. Mini R50, R53
Step 29
Screw in the wheel bolts. Use wheel impact socket #17.
Step 30
Lower the car and working in a cross order, tighten the wheel bolts. Use a torque wrench. Tighten it to 110 Nm torque.
Step 31
Remove the jacks and chocks.
AUTODOC recommends:
Important! Replacement: brake discs – Mini R50, R53. Check the brake fluid level in the reservoir and top up if necessary.
Step 32
Tighten the brake fluid reservoir cap. Close the hood.
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