Installing Shims
Installing Shims
Special Tools: 999 2917, 999 2809
Introduction, installing shims
A kit with a new type of shim has been developed for the rear brake calipers. The kit P/N is 272272-6 (kit with 4 shims).
NOTE: Kit 272272-6 must not be installed in cars with brake caliper 3524365-8 and 3524366-6. The piston has a "step" (lowered 180 degrees) on the mating surface with the brake pad.
Removing the rear wheels
Remove the rear wheels.
Removing the retainer spring
- Push out the split pins with a 3 mm drift.
- Pull out retaining spring.
Removing the brake pads
- Remove the brake pads and shims.
- Use puller 999 2917 if the brake pads will not come out easily.
Cleaning and inspection
- Clean the brake pad contact surfaces in brake caliper.
- Check the piston dirt guard.
- If the dirt guard looks worn, replace it as a precautionary measure.
- If the dirt guard is damaged, overhaul the brake caliper.
- Press back the pistons with a pipe wrench or tool 999 2809. Take care not to damage the dirt guard.
- Check that dirt guard is in position properly.
Installing shims
- Grease shim on both sides with a thin layer of silicone grease, PN 1161325-4.
- The new type of shim has a notch in the edge. The shim must be installed in the brake caliper with the notch down as illustrated.
Installing brake pads
Install:
- brake pads
- one split pin and retaining spring first, then the other split pin.