2000 AUDI A4 check oil

15-9

Cylinder head cover, installing


CAUTION!

Part numbers are listed for reference only.
Always check with your Parts department for
the latest information.
The inside and outside surfaces of the
cylinder head cover gasket must be lightly
coated with silicone lubricant D 007 000 04
before installation.

Installing cylinder head sealing cap
Cylinder heads available from the Parts department can be used on either
the left and right hand sides and are provided with a sealing cap for use
where appropriate. - Carefully coat four edges on cylinder head sealing surfaces with
Silimate, Part No. AMV 174 004 01, using a small screwdriver.
Silimate must be kept out of oil opening -A-.
- Coat edge of sealing cap with sealing paste AMV 188 000 02.

- Tap sealing cap in using drift VW 295, far enough so that outer edge of
sealing cap is flush with chamfer on cylinder head.
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15-18

Compression pressure, checking


Engine warm-oil temperature at least 30 C
(86 F)

Throttle valve fully open during cranking

- Disconnect harness connectors from ignition coil
power output stage and from all six fuel
injectors.

- Use compression pressure recorder VAG 1381
together with adapter 1381/5 or equivalent to
measure compression.

Note:
Refer to operating instructions for use of the
recorder.

- Operate starter until tester shows no additional
increase in pressure.

Compression pressures
New: 9-14 bar (131-203 psi)
Wear limit: 7.5 bar (109 psi)
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15-22

Hydraulic valve lifters, checking


Note:

Irregular valve noise during cranking is
normal.
Do not interchange hydraulic lifters. If
necessary mark them when they are being
removed.
Place lifters that have been removed on a clean
surface with the contact surface (camshaft end)
facing downward.
Hydraulic lifters cannot be repaired or adjusted.
Faulty lifters must be replaced.

- Start and run engine until warm-until radiator
coolant fan has come on at least once.

- Increase engine speed to approx. 2500 RPM for
2 minutes
If the irregular valve noise stops and then re-
occurs again each time vehicle is used in stop
and go traffic:

-
Replace the oil check valves Repair Group
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE01.15.4