Vehicles after change point in 1982
OVERHAULING FRONT
BRAKE CALIPER
- USE REPAIR KIT -
Remove and install front brake caliper
34 11 020.
Pry off plastic caps (1).
Unscrew guide bolts (2).
Installation:
Only clean guide bolts - don´t lubricate.
Check guide bolts for condition, renew if
necessary.
Tightening torque*).


34 11 020
*) See Specifications

Disassemble caliper and remove brake pads.
Installation:
Push brake pads all the way out before
installing spring (4).

Place a liner made of hard wood, hard felt or
Similar material in caliper recess for
protection of piston.
Press out piston with compressed air applied
through connection bore.
Caution!
10 bar (140 psi) air pressure is equal to a force
of about 1250 N (275 lbs.).

Check guide sleeve (5), replacing with guide
sleeve in repair kit if necessary.

Remove seal carefully with a plastic needle.
Clean cylinder bores and parts with alcohol and
dry with compressed air.
Check cylinder bore, piston and flange surfaces
for damage thoroughly.
Machining of cylinders and pistons is not
permitted.
Installation:
Give all parts a light coat of ATE brake cylinder
paste and install.
Installation:
First pull rubber cap on to piston.
Don´t cant piston.
Press in with a piece of hard wood.

Press rubber cap into groove of cylinder bore
with a blunt plastic needle.
Assemble caliper.