1997 VOLKSWAGEN PASSAT ECU

Downloaded from www.Manualslib.com manuals search engine 42-52

- Cut new thread in the cap nut, M 12 x 1.5.
- Use new bolts, Part No. N 010 137.1 and
washer, Part No. N 011 531.7 to secure the rear
axle.
Tightening torque: 65 Nm (48 ft lb)

Note:
The procedure described here must only be
performed on one cap nut on each side of the
vehicle. Page 7 of 7Rear drive shafts, servicing12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.42.4

Downloaded from www.Manualslib.com manuals search engine 42-60

Repair Manual, Suspension, Wheels, Brakes, Steering, Repair Group 46
Repair Manual, Suspension, Wheels,Brakes, Steering, Repair Group 47 4 - Guide pins
5 - Protective cap
6 - Pad securing springs Always replace when
changing pads
7 - Brake pads Repair information 8 - Brake caliper Servicing 9 - Pad carrier
10 - Screw
11 - Wheel bolt, 110 Nm (81
ft lb) Page 2 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

Downloaded from www.Manualslib.com manuals search engine 45-4

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

Downloaded from www.Manualslib.com manuals search engine 45-19

2 - Spacer cap Various versions
Page 45-25 3 - Sealing ring Always replace 4 - Circlip Always replace 5 - Brake line Brake master
cylinder/primary piston
circuit to hydraulic unit
6 - Brake servo
7 - Carrier plate
8 - Sealing ring
9 - Pin
10 - Securing clip
11 - Brake fluid reservoir Page 2 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

Downloaded from www.Manualslib.com manuals search engine 46-2

1 - Brake disc, not
ventilated When worn always
replace on both sides Brake disc diameter:
256 mm Brake disc thickness:
13 mm Wear limit: 11 mm 2 - Brake disc, ventilated When worn always
replace on both sides Brake disc diameter:
256 mm Brake disc thickness:
20 mm Wear limit: 18 mm 3 - Screw
4 - Countersunk screw To secure rotor Only on vehicles with
ABS Page 2 of 7Front brakes, servicing (Girling caliper)12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.46.1

Downloaded from www.Manualslib.com manuals search engine 46-6

Brake pads, removing and installing

Removing - Remove lower brake caliper housing securing bolt. Counter-hold on guide pin. - Swing brake caliper housing upward. - Remove brake pads. Page 6 of 7Front brakes, servicing (Girling caliper)12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.46.1

Downloaded from www.Manualslib.com manuals search engine 46-14

- Install brake pad with retaining spring in brake
caliper housing (piston).

- Install outer brake pad in brake carrier.
- Secure brake caliper housing with both guide
pins to brake carrier.

- Install both protective caps.
- Install retaining spring into brake caliper
housing.

Note:
After replacing the brake pads, depress brake
pedal firmly several times with the vehicle
stationary, so that the brake pads are proper/y
seated in their normal operating position. Page 7 of 7Front brakes, servicing (Teves/Ate)12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.46.2