AUDI A4 1997 B5 / 1.G AHA ATQ Engines Lubrication System Components Owner's Guide

17-26

Front oil seal carrier and oil pump chain,
removing and installing


Removing

- Remove ribbed belt page 13
-8 .

- Remove toothed belt page 13
-12
.

- Remove oil pan (upper part) and oil pan (lower
part) page 17
-10
.

- Before removing front oil seal carrier, remove following components:
1 - Toothed belt tensioner roller
Tightening torque: 20 Nm (15 ft lb)
2 - Idler roller
Tightening torque: 45 Nm (33 ft lb)
3 - Toothed belt tensioner
Tightening torque: 20 Nm (15 ft lb)
4 - Toothed belt tensioner lever
Tightening torque: 20 Nm (15 ft lb)
5 - Crankshaft center bolt and toothed belt sprocket
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17-27


Replacing oil pump drive chain - Remove front oil seal carrier and remove gasket from front oil seal
carrier (M6 bolts: 10 Nm, 7 ft lb) (Collar screw M8: 30 Nm 22 ft lb).

-
Using Torx T45, unbolt chain sprocket from oil pump and pull off oil
pump.
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17-28


Installing
Installation is the reverse of removal, noting the following:
Note:
Install gasket for front oil seal carrier dry.
Oil pan (upper part) and oil pan (lower part), removing page 17
-10
. - Remove oil pump together with shorter oil supply line.
- Remove oil pump chain sprocket and remove drive chain from
crankshaft page 17
-26
.
- Remove any remaining sealant from front oil seal carrier and if
necessary, from cylinder block.
- Clean sealing surfaces so they are completely free of any oil or grease.
- Tighten bolts for oil seal carrier.
Tightening torque: M6 - 10 Nm (7 ft lb), M8 - 20 Nm (15 ft lb)
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17-29

Oil pump chain sprocket on crankshaft,
removing and installing


Removing
Front sealing flange and oil pump chain,
removing and installing page 17
-26
.

Installing
WARNING!
Wear protective gloves.
Note:
Installation position: wider collar of chain sprocket points toward engine. - Using puller -2-, remove crankshaft chain sprocket, while protecting
crankshaft end with appropriate washer -1-.
-
Warm chain sprocket in 220 C (428 F) oven for approx. 15 minutes.

- Using pliers, install chain sprocket on crankshaft end and slide onto
crankshaft to stop using 30-100 press tube. If necessary, carefully tap
with plastic hammer.
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11/21/2002 htt
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e=re
pair&id=AUDI.B5.GE03.17.1