1996 VOLKSWAGEN PASSAT electric

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Outer constant velocity joint, checking
The joint should be disassembled to replace dirty
grease or for checking the balls and ball tracks
for wear and damage.

Removing - Before disassembling mark position of the ball hub
in relation to the ball cage and housing with an
electric scriber or oil stone.
- Swivel ball hub and ball cage. - Remove balls one after the other. - Turn cage until the two rectangular windows
(arrow) are aligned with the joint housing.
- Lift out cage together with hub. Page 60 of 82Front Wheel Suspension, Shafts and Axle12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.40.1

Downloaded from www.Manualslib.com manuals search engine 45-7

Safety precautions

WARNING!

Brake fluid is poisonous.

CAUTION!
Before working on the ABS or ABS/EDL
system, disconnect the battery Ground
(GND) strap. For anti-theft coded radios, first
make sure that the radio code is available.
Brake fluid must not contact painted parts. Brake fluid absorbs moisture from the air
and must therefore be replaced every two
years. Use only new, approved brake fluid
that complies with MVSS 116 DOT 4.
DO NOT use silicone-brake fluid (DOT 5).
Even the smallest traces can cause sever
corrosion in the brake system.
Before doing any welding repairs on the
vehicle using electric welding equipment,
disconnect the ABS control module.
After work that requires opening the brake
hydraulic system, bleed the system Page 47-29 . Page 2 of 3Anti-lock Brake System (ABS) and ABS with Electronic Differential Lock (ABS/EDL), Teves 20 GI12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.45.2

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Hydraulic unit, removing and installing

Note:
For easier disassembling and assembling, it is
more practical to remove the hydraulic unit
complete with brake servo and brake master
cylinder.

Removing

- Disconnect battery Ground (GND) strap.
- Separate all electrical connections on ABS
unit.

- Remove as much brake fluid as possible from
brake fluid reservoir using a suction bottle.

- Disconnect brake lines from ABS hydraulic unit
and seal threaded holes with plugs from repair
kit, Part No. 1HO 698 311.

- Remove left-hand trim under instrument
panel.

- Disconnect brake pedal from brake servo unit
Page 46-44 . Page 6 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

Downloaded from www.Manualslib.com manuals search engine 45-24

- Remove nuts from brake servo/bulkhead.
- Carefully remove hydraulic unit and brake servo
with brake master cylinder from engine
compartment.

Installing

Note:
Hydraulic units supplied as replacement parts
are already filled with hydraulic fluid and bled.
Only remove sealing plugs on hydraulic unit
when the relevant brake line is going to be
connected.
If the sealing plugs are removed too early,
brake fluid can escape, it is then no longer
guaranteed that the unit is sufficiently filled or
adequately bled.

- Preassemble hydraulic unit and brake servo with tandem master cylinder away from vehicle.

- Secure hydraulic unit, brake servo with tandem
master cylinder to bulkhead.

- Connect brake lines.
- Reconnect all electrical connections on ABS unit (ensure correctly connected).

- Bleed brake system Page 47-27 .
- Install left-hand trim under instrument panel. Page 7 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