1997 AUDI A8 belt

13-16


Note:
The camshaft sprockets should be loose enough on the cone to be
turned, but not so loose as to be tipped. - Remove both camshaft sprockets using T40001 special tool.
- Reinstall both camshaft sprockets together with locking plates and
hand-tighten.

- Install toothed belt on all sprockets as shown in illustration.
- Install 3391 camshaft locator bar.
Pa
ge 15 of 33 C
ylinder block, crankshaft and fl
ywheel, servicin
g
11/21/2002 htt
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yp
e=re
pair&id=AUDI.B5.GE03.13.2

13-17


1) Always replace the center bolt. 2) Two turns of 90 are permissible. - Using 8 mm hex wrench, turn toothed belt tensioner roller -1- counter-
clockwise, opposite direction shown (arrow) until tensioning lever -2-
compresses tensioner -3- so that spring clamp can be removed and
then remove clamp.
- Before starting engine, pre-load timing tensioning roller as follows:
- Using a torque wrench with 8 mm hex bit, apply tension to toothed
belt clockwise in direction shown (arrow) until a torque of 15 Nm is
attained. This ensures tensioner has expanded completely and is
properly engaging toothed belt. Component
Tightening torque
Toothed belt sprocket to camshaft 55 (41 ft lb)
Idler wheel 45 (33 ft lb)
Toothed belt tensioning roller 20 (15 ft lb)
Belt pulley to crankshaft 20 (15 ft lb)
Toothed belt tensioner 10 (7 ft lb)
Center bolt 1) to crankshaft
200 (148 ft lb) + 180 2)
Pa
ge 16 of 33 C
ylinder block, crankshaft and fl
ywheel, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE03.13.2

13-18

Crankshaft seal, replacing


Toothed belt side

Lock carrier in service position page 13
-1
Ribbed belt, removing and installing page 13
-
8 .
Toothed belt, removing and installing page 13
-
12
.

- Remove sealing plug from left-side of cylinder
block.

- Turn crankshaft to TDC for cylinder 3. The TDC
mark on crankshaft must be visible or felt behind
bore for sealing plug.

- Install 3242 crankshaft holder in bore to secure crankshaft.
Pa
ge 17 of 33 C
ylinder block, crankshaft and fl
ywheel, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE03.13.2

13-19

- Remove crankshaft/toothed belt gear.

- Unscrew inner part of 3203 seal puller two turns
(approx. 3 mm) and secure using knurled bolt.

Installing - Grease threaded head of 2085 seal puller, position and with forced
pressure screw into oil seal as far as possible.
- Loosen knurled bolt and turn inner part against crankshaft until oil seal
is removed.
- Place 3202/1 guide sleeve on crankshaft pin.
- Slide dry oil seal over guide sleeve.

The rest of the installation follows is the reverse of removal. - Press in oil seal to stop using 3265 seal installer.
Pa
ge 18 of 33 C
ylinder block, crankshaft and fl
ywheel, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE03.13.2