15-13
Cylinder head, removing and installing
Engine installed
This removal procedure refers to the left cylinder
head
Removing
- Remove ribbed belt page 13
-9
- Remove toothed belt page 13
-11
- Disconnect exhaust pipe from manifold.
- Disconnect components of EGR system, if applicable.
- Drain engine coolant at drain plug (arrow) using special tool 3247, and
at drain plug in bottom of radiator.
- Remove air hose between Mass Air Flow (MAF) sensor and intake
manifold.
- Disconnect all spark plug connectors.
Pa
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.GE01.15.4
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
Pa
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g for service
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