1997 AUDI A6 AEB ATW Engines Lubrication System Components Workshop Manual

17-6


Part II

1 -
Oil filter bracket
2 -
Gasket Always replace
3 -
Oil retaining valve 8 Nm (71 in. lb)
4 -
Gasket Always replace
5 -
Coupling 30 Nm (22 ft lb)
6 -
Oil feed line 25 Nm (18 ft lb)To turbocharger
7 -
Bolt 20 Nm (15 ft lb)
8 -
Lower coolant pipe
9 -
Sealing washer If leaking, cut open and replace
10 -
Oil pressure switch -F1-, 1.4 bar (20.3 psi) 25 Nm (18 ft lb)
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Black insulationCheck Page 17
-22
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17-7


11 -
Engine oil temperature sensor -G8-
10 Nm (7 ft lb)
12 -
Sealing washer If leaking, cut open and replace
13 -
O-ring Always replaceSnap into grooves on oil cooler
14 -
Oil cooler Refer to "CAUTION!" Page 17
-1
Coolant hose connection diagram Page 19
-2
15 -
Oil filter
Follow filter change intervalsUse 3417 oil filter wrench to removeFollow installation notes found on oil filterTightening torque: 20 Nm (15 ft lb)
16 -
Nut 25 Nm (18 ft lb)
17 -
Hex socket bolt 25 Nm (18 ft lb)
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17-8


Fig. 1 Checking oil pump backlash
New: 0.05 mm (0.002 in.) Wear limit: 0.20 mm (0.008 in.)

Wear limit: 0.15 mm (0.006 in.) Fig. 2 Checking oil pump axial clearance
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17-9

Oil pan, removing and installing


Special tools and equipment

10-222A engine support bridge with 10-222A/1
bracket for engine
2024A engine sling
3249 puller
VAG1202A engine hoist
AMV 174 004 01 sealant

Note:
Always replace gaskets.

Removing

- Remove noise insulation panel (arrows).
- Drain engine oil.
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17-10

CAUTION!

Before removing ribbed belt, note direction of
rotation with chalk or felt-tip marker.
Reversing the direction of rotation of a used
belt can destroy the belt.

- Remove bolts for ribbed belt tensioner for A/C compressor (arrows).
- Release tension on ribbed belt and remove.
- Remove belt pulley.

- Remove torque support stop (arrows).
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17-11

- Remove side brace from left side of torque
support bracket.

Note:
Illustration is shown with engine removed. - Remove torque support bracket from engine (arrows).

- Cut tie wraps (arrows), open bracket for starter wiring and remove
wiring.
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17-12


- Remove hose from turbocharger at air guide tube in lock carrier
(arrow).

- Remove both nuts -1- from lower engine mount.
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