timing belt AUDI TT 1996 8N / 1.G AEB ATW Engines Valvetrain Servicing Workshop Manual

15-46


Note:
While turning camshaft, valves could hit pistons that are at TDC. Verify
that no piston is at TDC. Valves and/or pistons may be damaged.
Note:
Follow all procedures for removing and installing toothed belt Page 13
-
29
.
Note:
When installing the ribbed belt, make sure it is seated correctly on the
pulleys.
Tightening torques - Align marking on camshaft gear with marking on cylinder head cover.
- Align marking on vibration damper to that on lower toothed belt cover.
- Install toothed belt (adjust valve timing) Page 13
-32
.
- Install ribbed belt and ribbed belt tensioner Page 13
-15
.
Component
Tightening torques
Camshaft gear to camshaft 65 Nm (48 ft lb)
Ribbed belt tensioner to mounting bracket 25 Nm (18 ft lb)
Pa
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11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
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15-58


Note:
When turning camshaft, crankshaft must not be at TDC Cyl. 1 for any
cylinder. Valves and/or pistons may be damaged.
Note:
Follow all procedures for removing and installing toothed belt Page 13
-
29
.
CAUTION!
Note:
When installing ribbed belt, make sure it is seated correctly on the pulleys. - Align marking on camshaft gear with marking on cylinder head cover.
- Align marking on vibration damper with marking on lower toothed belt
cover.
- Install toothed belt (adjust valve timing) Page 13
-32
.
After installing the camshafts, the engine must not be started for
approx. 30 minutes. The hydraulic valve lifters have to settle
(otherwise valves will strike the pistons). After installing the valvetrain and lifters, carefully rotate the
crankshaft by hand at least 2 full revolutions before starting to be
sure that valves do not strike the pistons.
- Install ribbed belt and ribbed belt tensioner Page 13
-15
.
Pa
ge 32 of 51 Valvetrain, servicin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.15.3