AUDI A4 1997 B5 / 1.G AWM Engine Assembly User Guide

13-11


14 -
Generator
Removing:
- Disconnect battery Ground strap
- Remove air duct hose to charge air
cooler.
- Loosen ribbed belt and take belt off
Generator Page 13
-18
.
- Remove viscous fan and put into radiator
cowl.
- Remove electrical wiring from Generator.
- Loosen connections for Generator from
top and bottom and remove Generator.
Installing:
- To facilitate attachment of Generator
slightly drive back thread bushing for
securing bolt at bracket.
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13-12


Repair Manual, Suspension, Wheels, Steering,
Repair Group 48
15 -
45 Nm
16 -
Support
For intake manifold
17 -
20 Nm
18 -
52 Nm Apply D 000 600 when installingBolts have different lengths. For positions
and tightening sequence Page 13
-33

19 -
23 Nm
20 -
Power steering pump
Removing and installing:
21 -
23 Nm
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13-13


22 -
Pulley
For power steering pumpInstallation position: Open side faces to
front of vehicle
23 -
23 Nm
24 -
Ribbed bolt - 28 Nm
25 -
Viscous coupling Removing and installing Page 13
-21
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13-14


Ribbed belt drive for air conditioner -
assembly overview

CAUTION!
The air conditioner refrigerant circuit must not
be opened.
Note:
Mark the direction of rotation with chalk or felt pen
before removing the ribbed belt. If the belt rotates in
the wrong direction when it is reinstalled, belt
breakage may result. Ensure that the belt is
properly seated on the pulleys when installing.
1 -
Bracket
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13-15


2 -
Air conditioner compressor
Do not loosen or disconnect refrigerant
hoses or lines. After removing compressor from
mountings, secure to chassis side member
with wire or similar. Do not leave
compressor suspended on refrigerant
hoses.
3 -
Dowel sleeve Check sleeve is correctly seated in bracket
4 -
33 Nm
5 -
Bracket For A/C compressor
6 -
Tensioner For ribbed beltRemoving and installing ribbed belt
Page 13
-18

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13-16


7 -
Washer
8 -
23 Nm
9 -
Ribbed V-belt
Removing and installing Page 13
-18
.
Check for wearDo not kinkRouting of ribbed belt Fig. 2
, Page
13
-17

10 -
Washer
11 -
25 Nm
12 -
Retaining clip
13 -
20 Nm
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13-17


Parts List
The vibration damper can only be installed in one position. The hole -
arrow- in the vibration damper must fit over the projection on the toothed
belt sprocket. Fig. 1 Installing vibration damperLock carrier must be in service position Page 13
-1 .
Ribbed belt must be removed Page 13
-18
.
Always replace bolts. Only use original type bolts to install the
vibration damper.
-
Tighten bolts of vibration damper to 10 Nm + 90 (
1/4turn).

Fig. 2 Ribbed belt routing
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13-18

Ribbed belt, removing and installing


Note:
Mark the direction of rotation with chalk or felt
pen before removing the ribbed belt. If the belt
rotates in the wrong direction when it is refitted,
belt breakage may result. Ensure that the belt is
properly seated on the pulleys when installing.

Removing

- Remove sound insulation -arrows-.

- Loosen bolts securing ribbed belt tensioning roller for A/C compressor -
arrows-.
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13-19


Note: - Turn tensioner in direction of arrow to loosen ribbed belt.
- Remove ribbed belt from Generator and release tensioner.

When the lock carrier is in the service position, the ribbed belt tensioner
can be secured to prevent it from turning by inserting a suitable pin or
Allen key -arrow- into the holes.
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13-20

Installing

- Attach ribbed belt to pulleys from crankshaft and
vane pump and, if necessary, pull up with
auxiliary tool.

- Swivel tensioner for ribbed belt in direction of arrow.
- Install ribbed belt over Generator pulley last. Release tensioner.
- Check that ribbed belt is properly seated.
- Fit ribbed belt for A/C compressor.

Ribbed belt routing Fig. 2
, Page 13
-17

- Attach torque wrench at "7 o'clock position" as illustrated to hex on
tensioner and pretension to 30 Nm.
- While tensioning, tighten bolts -A- to 23 Nm.
- Start engine and check belt running.
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