1997 AUDI A4 lock

17-2


Part I - Oil pump/oil pan components

1 -
28 Nm
2 -
Limit stop for torque reaction support
3 -
Oil pan
Apply silicone sealant D 176 404 A2 before
installing Removing and installing Page 17
-11
4 -
Oil pan
With pressure relief valve (12 bar)Removing and installing Page 17
-28
Before installation check whether the two
dowel sleeves -Pos. 12 - for the
centralizing of the oil pump/cylinder block
are present Replace pump if there is scoring on moving
surfaces and gear teeth Tightening torque for oil pump cover to oil
pump housing: 10 Nm
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17-8


8 -
Locking clip
9 -
Pipe
For crankcase breather
10 -
20 Nm Install with locking fluid D 000 600 A2
11 -
Bottom coolant pipe
12 -
Screw plug - 15 Nm
13 -
Sealing ring If seal is leaking, cut open and replace
14 -
Oil supply pipe To turbocharger
15 -
Banjo bolt - 30 Nm
16 -
Seals Always replace
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17-12

Removing

Engine in vehicle
Lock carrier must be in service position
Page 13
-1 .

- Unbolt bracket for sound insulation -arrow-.
- Remove air duct hose on bottom left on charge air cooler.

- Remove engine cover -arrows-.
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17-14


- Set up support bar 10-222 A on fender panel flanges.

- Remove lifting eye from lifting tackle 2024 A.
- Replace pin -1- in center hole on lifting tackle and secure with locking
pin.
- Engage pin on lifting tackle 2024 A on spindle of support bar 10-222 A.
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17-15


CAUTION!
The hooks and locating pins of the lifting tackle must be secured
with locking pins -arrows in illustration-. - Engage lifting tackle 2024 A in front and rear lifting eyes on engine.
- Pretension engine with spindle of support bar, do not lift.
- Drain engine oil.
- Remove oil return line of exhaust turbocharger from oil pan.

- Disconnect electrical connector -arrow- from oil level sender.
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17-22

Note:

Unscrew both rear oil pan bolts -1- and -2- with attachment 3249. Turn the
flywheel on vehicles with a manual transmission -3- until the notch -arrow-
is aligned with the bolt.
- Take off oil pan. If necessary loosen it by striking lightly with a rubber
hammer.
- Carefully remove sealant residues from cylinder block (remove baffle
plate).

WARNING!
Wear protective glasses. - Remove remaining sealant from oil pan, e.g. with a rotating plastic
brush.
- Clean sealing surfaces: they must be free of oil and grease.
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17-24

Note:
The bead of sealant must not be thicker than 3
mm, as otherwise excess sealant will enter the
oil pan and obstruct the strainer in the oil intake
pipe.

Note:
Be particularly careful when applying the bead of sealant around the rear
sealing flange (arrows in illustration). - Apply bead of silicone sealant onto clean sealing surface of oil pan, as
illustrated. (Illustration shows position of sealant bead on cylinder
block).
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17-25

- Immediately attach oil pan and tighten bolts in
described sequence:

Note: - Tighten bolts -1 to 18- diagonally to 5 Nm.
- Tighten bolts securing oil pan to transmission to 45 Nm.
- Tighten bolts M10 -arrows- to 40 Nm.
- Tighten bolts -1 to 18- tighten diagonally to 15 Nm.
Replace seals and gaskets.

When installing the oil pan with the engine removed from the vehicle,
ensure that the oil pan -3- is positioned flush with the intermediate
plate -1- at the flywheel end (i.e. oil pan should protrude dimension "a"
= 0.8 mm from cylinder block with respect to the cylinder block -2-). After installing oil pan assembly, the sealant must dry for approx. 30
minutes. Only then may the engine be filled with oil.
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