1999 AUDI A4 lock

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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13-21

Viscous fan, removing and installing


Removing

Lock carrier must be in service position
Page 13
-1 .

- To loosen ribbed belt, turn tensioner in direction of arrow.
- Remove ribbed belt from Generator pulley.

- Secure pulley for viscous fan with pin punch -1- and remove using
Allen key -2-.
- Remove viscous fan.
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13-22

Installing
Installation is carried out in the reverse order of
removal; note the following:

- Install ribbed belt Page 13
-20
.

- Install lock carrier Page 13
-1 .

Tightening torque

Component

Nm
Viscous fan to bearing 45
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13-24

Removing

Lock carrier must be in service position
Page 13
-1 .

Note:
Connector -2- remains plugged in. - Remove air duct hose -1-.

- Turn tensioner in direction of arrow to loosen ribbed belt.
- Remove ribbed belt from Generator pulley.
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13-33

Installing
Installation is carried out in the reverse order of
removal; note the following:

Radio operating instructions - Install bolts -1 to 6- with locking fluid "D 000 600" and tighten bolts
diagonally.
1, 2 - Bolt M10 x 85
3 to 6 - Bolt M10 x 45
- To help install Generator knock back bushing on bottom securing bolt
slightly.
- Remove viscous fan Page 13
-21
.
- Install ribbed belt Page 13
-20
.
- After connecting battery, enter anti-theft code for radio.- Close windows fully using window switches.
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13-34

- Actuate all window switches again for at least
one second in the "close" direction to activate
the automatic open/close function.

- Set clock to correct time.

Tightening torques

Component

Nm
Bracket for Generator, power steering
pump and viscous fan to cylinder block
52
1)
Support for intake manifold
to intake manifold 20
to bracket 20
Power steering pump to bracket 23
Pulley to coolant pump 23
Generator at bracket
M8 23
M10 46
Ribbed belt tensioner to bracket
23
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Viscous fan to bearing 45

1) Install with locking fluid D 000 600 A2
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