AUDI A4 1999 B5 / 1.G APB Engine Assembly User Guide
Page 11 of 13
13-11
- Install idler wheel for ribbed belt -arrows-.
- Install toothed belt guard behind vibration damper -arrows-.
- Install vibration damper. Note positions of locating lugs -arrows- on belt
sprocket.
Pa
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gine, disassembl
y and assembl
y
11/21/2002 htt
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yp
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pair&id=AUDI.B5.GE05.13.1
Page 12 of 13
13-12
- Install toothed belt guard.
- Install ribbed belt Page 13
-3 .
Tightening torques
Toothed belt sprocket to
camshaft 55 Nm
Idler wheel 45 Nm
Toothed belt tensioning roller 20 Nm
Pulley to crankshaft 20 Nm
Toothed belt tensioning
element 10 Nm
Central bolt
1)
to crankshaft
200 Nm + 180
2)
1) The central bolt must always be replaced.
2) Turning in two stages of 90 is also
permissible.
Pa
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gine, disassembl
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11/21/2002 htt
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Page 13 of 13
13-13
Vibration damper, removing and
installing
- Remove ribbed belt Page 13
-1 .
Note:
The central bolt does not have to be loosened to
remove the vibration damper.
- Remove vibration damper.
- When installing, ensure that notches -arrows- in vibration damper are
aligned with locating lugs on toothed belt sprocket.
Tightening torque: 25 Nm
Pa
ge 13 of 13 En
gine, disassembl
y and assembl
y
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
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yp
e=re
pair&id=AUDI.B5.GE05.13.1