Volkswagen Golf Service & Repair Manual: Removing and installing brake caliper PC57
| Special tools and workshop equipment
required |
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| Piston resetting appliance -T10145- |
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Press piston out of brake caliper using compressed air. |
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| Place a piece of wood in the recess to prevent damage to the
piston. |
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Remove seal using wedge 3409. |
| When removing ensure that the surface of the cylinder is not
damaged. |
| Install in reverse order of removal, observing the
following: |
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The surfaces of the piston and seal must be cleaned only
with methylated spirits and then dried. |
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Apply a thin coat of assembly paste G 052 150 A2 to piston
and seal before inserting. |
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Insert seal in brake caliper. |
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Place protective cap with outer sealing lip on piston. |
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Insert inner sealing lip into groove in cylinder using wedge
3409. |
| When doing this, hold piston in front of brake caliper. |
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Press piston into brake caliper using piston resetting
appliance. |
| The outer sealing lip on the protective cap will then slip
into the piston groove. |
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When carrying out repairs, install all parts supplied in repair kit.
Use only methylated spirits for cleaning the brake.
Apply thin coat of lithium grease -G 0 ...
Other materials:
Detecting leaks
External damage can cause leaks in the refrigerant circuit. Because a small
leak will involve only small quantities of refrigerant, leaks should be checked
for using an electronic leak detector or by introducing a leak detection
additive to the refrigerant circuit. Electronic leak detectors ca ...
Safety precautions when working on subframe
It is not permitted to carry out welding and straightening
operations on load-bearing or wheel-guiding suspension
components.
Always renew corroded nuts and bolts.
Bonded rubber bushes can be twisted only to ...
Wear in middle of tyre
This wear pattern is found on the driven wheels of
high-performance vehicles that are frequently driven long
distances at high speeds.
At high speeds, centrifugal forces cause the tyre diameter
to increase more in the middle of the tread ...
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Assembly overview - brake caliper (PC57 brakes)