ignition AUDI A4 1998 B5 / 1.G AWM Engine Valve Gear Service Workshop Manual

15-75
If the hydraulic lifters are still noisy, locate faulty
lifters as follows:

- Remove cylinder head cover Page 15
-15
.

- Rotate crankshaft until cams of lifters to be
checked are pointing upward:

- Vehicles with manual gearbox: push vehicle
forward with 4th gear engaged and ignition
switched off.

- Vehicles with automatic gearbox: remove
sound insulation and turn crankshaft clockwise
by applying wrench to central bolt on
crankshaft sprocket.

- Determine play between cam and lifter.

- Press down lifter with a wooden or plastic wedge. If an 0.20 mm feeler
gauge can be inserted between camshaft and lifter, replace lifter.
- Replacing lifter Removing and installing camshafts and camshaft
adjuster, Page 15
-62
.
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