1997 VOLKSWAGEN PASSAT lock

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Wheel bearings,
servicing - disc
brakes (four wheel
drive vehicles)
Note:
If a vehicle has to be moved
after removing the drive shaft,
first install an outer joint and
tighten to 50 Nm (37 ft lb).
Otherwise the wheel bearing
will be damaged.
1 - Control arm
2 - Self locking hex socket head bolt, 60 Nm (44 ft
lb)
3 - Self locking hex bolt,
35 Nm (26 ft lb) Always replace When loosening and
tightening counter-hold on guide pins Page 1 of 8Wheel bearings, servicing - disc brakes (four wheel drive vehicles)12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.42.6

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Repair Manual, Suspension, Wheels, Brakes, Steering, Repair Group 46 12 - Self-locking hex nut Always Tighten to 90 Nm (66 ft lb) and turn 45
further (1
/
8 turn) To tighten use
recommend angle
measuring wrench
VAG 1756 or
equivalent Before installing nut on outer joint remove any
paint remains and/or
corrosion from
threads.
13 - Shim
14 - Brake disc Repair information 15 - Hub Pressing out Fig. 1 Pulling off inner race
Fig. 3 Pressing in Fig. 5 Page 3 of 8Wheel bearings, servicing - disc brakes (four wheel drive vehicles)12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.42.6

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Vehicle alignment specifications (front wheel drive vehicles) Front axle
Suspension strut axle
Engine up to 85 kW (115
hp) 110 - 128 kW
(148 - 172 hp)
Version Base suspension Plus
suspension
Total toe1)
(not pressed)
0 10' 0 10' Camber2)
(in straight- ahead position) Maximum permissible
difference between sides -1 20' 20'


max. 20' -1 10' 20'


max. 20' Toe angle difference at 20left and right lock -1 10' 30' -1 40' 30' Caster (not adjustable) Maximum permissible difference between
sides +1 40' 30'

max. 30' +3 20' 30'

max. 30' 1)
Only adjust total toe on right toe rod
2)
Camber corrections can only be made at the wheel bearing housing/suspension strut connection.
Camber adjustment Page 44-6 . Note:
After adjusting steering geometry check position of steering wheel; correct if necessary. Page 2 of 7Vehicle alignment12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.44.1

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Vehicle alignment specifications (four wheel drive vehicles) Front axle
Suspension strut axle
Engine 85 kW (115 hp) 128 kW (172
hp)
Version Base
suspension Plus
suspension
Total toe1)
(not pressed)
0 10' 0 10' Camber2)
(in straight- ahead position) Maximum permissible
difference between sides -1 20' 20'


max. 30' -1 10' 20'


max. 20' Toe angle difference at 20left and right lock -1 10' 30' -1 40' 30' Caster (not adjustable) Maximum permissible difference between
sides +1 40' 30'

max. 30' +3 20' 30'

max. 30' 1)
Only adjust total toe on right toe rod
2)
Camber corrections can only be made at the wheel bearing housing/suspension strut connection.
Camber adjustment Page 44-6 . Note:
After adjusting steering geometry check position of steering wheel; correct if necessary. Page 4 of 7Vehicle alignment12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.44.1

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Anti-locking Brake System
(ABS) and Anti-locking Brake
System with Electronic
Differential Lock (ABS/EDL)
Teves 04
The ABS, ABS/EDL brake system is divided
diagonally. The servo-assist is effected
pneumatically, by the vacuum brake servo unit.
Located between the brake master cylinder and
the vacuum servo unit is a mounting bracket for
the hydraulic unit with pump.
The hydraulic unit together with pump, supplies
only the anti-locking brake system (ABS) or anti-
locking brake system and traction control system
(ABS/EDL).
Malfunctions on the ABS, ABS/EDL systems do
not influence the brake system and servo. The
vehicle can be driven without the ABS, ABS/EDL
functions operating. Page 1 of 5Anti-locking Brake System (ABS) and Anti-locking Brake System with Electronic Differential Lock (A...12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.45.1

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Notes for repair work on ABS, ABS/EDL
Before doing any repair work on the anti-locking system, determine the cause of the malfunction
using On Board Diagnostic (OBD).
Repair Manual, Brake System On Board Diagnostic (OBD), Repair Group 01 Before working on the ABS, ABS/EDL system,
disconnect the battery Ground strap. On
vehicles with coded radio, obtain cooling.
When working with brake fluid, observe the
relevant safety precautions and notes Page 47-27 . After work for which the brake system had to be opened, bleed the brake system with brake filler and bleeder unit VAS 5234 Page 47-27 . During the final road test, make sure that a
controlled brake test is performed at least once
(pulsations must be felt at the brake pedal).
Absolute cleanliness is required when working
on the anti-locking brake system; it is not
permitted to use any products which contain
mineral oils, such as oils, greases etc. Page 2 of 5Anti-locking Brake System (ABS) and Anti-locking Brake System with Electronic Differential Lock (A...12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.45.1

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Thoroughly clean all unions and the adjacent
areas before loosening, do not use aggressive
cleaning agents such as brake cleaner, petrol,
thinners or similar.
Place removed parts on a clean surface and
cover.
Do not use fluffy cloth. Carefully cover or seal open components if
repairs cannot be carried out immediately.
Only remove replacement parts from packaging
immediately prior to installation.
Only use genuine packed parts. When the system is open do not work with
compressed air and do not move the vehicle.
Make sure that no brake fluid enters harness
connectors.
During painting operations, the electronic
control module can be exposed to a max.
temperature of 95C (203F) for only a short
period, and to a maximum of 85C (185F) for
longer periods (approx. 2 hours). Page 3 of 5Anti-locking Brake System (ABS) and Anti-locking Brake System with Electronic Differential Lock (A...12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.45.1

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Control module, removing and installing

Location
Under the rear seat, left

Note:
Switch off ignition before disconnecting and
connecting connectors.

Removing

- Fold up rear seat.
- Press control module securing clips together
and pull out.

- To pull connector off control module, release
control module locking bar.

Installing

- Install in reverse order. - Engage connector catch in control module slots
(arrow A), press connector on (arrow B) and
secure with locking bar (arrow C). Page 4 of 5Anti-locking Brake System (ABS) and Anti-locking Brake System with Electronic Differential Lock (A...12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.45.1