clock VOLKSWAGEN PASSAT 1996 B3, B4 / 3.G Service Workshop Manual

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Removing

- Release brake servo vacuum by operating the
brake pedal several times.

- Remove connector from expansion tank.
- Swing coolant expansion tank to side.
- Pull connector off sensor. - Expand circlip with a small screwdriver in a
clockwise direction and pull sensor (arrow) out of
brake servo. Page 9 of 10Assembly overview - hydraulic unit, brake servo/brake master cylinder12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.45.4

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Installing

Note:
Before pressing the piston back, remove some
brake fluid from the reservoir. Use a bleeder
bottle or a plastic bottle which is only used for
brake fluid. Brake fluid is poisonous and must not
be siphoned by mouth through a hose. Note: - Thread in piston by turning knurled wheel of
special tool 3272 clockwise.
- Install brake pads. Install special tool 3272 so that the collar (arrow)
of the tool is seated against the brake caliper. If the piston is difficult to move, use a 13 mm
open end wrench on the flats (arrow A) provided
for this purpose. If the piston is pushed back with a piston resetting
tool or by operating the foot brake, the automatic
adjustment in the brake caliper will be destroyed. Page 8 of 10Rear wheel brakes, servicing (disc brakes)12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.46.5

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Rear brake caliper piston, removing and
installing

Removing Note: - Thread piston out of brake caliper housing by
turning the knurled wheel counter-clockwise. If piston is difficult to move, use a 13 mm open
end wrench on the flats (arrow A) provided for this
purpose. Install special tool 3272 so that the collar (arrow)
is before the piston. Note:
Make sure that the surface of the cylinder is not
damaged during removal. - Remove seal with a screwdriver Page 5 of 8Rear brake caliper, servicing12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.47.4

Downloaded from www.Manualslib.com manuals search engine 47-21
Note: - Thread piston into housing by turning knurled
wheel clockwise. Install special tool 3272 so that the collar (arrow)
of the tool is seated against the brake carrier. If piston is difficult to move, use a 13 mm open
end wrench on flats (arrow A) provided for this
purpose. If the piston is pushed back with a piston resetting
tool or by operating the foot brake the automatic
adjustment in the brake caliper is destroyed.
- Install brake pads. Page 7 of 8Rear brake caliper, servicing12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.47.4