clock AUDI TT 2000 8N / 1.G AEB ATW Engines Valvetrain Servicing Workshop Manual

15-61

Vehicles with manual transmission

- Switch ignition off, shift into fourth gear and push
vehicle forward.

Vehicles with automatic transmission

- Remove noise insulation panel and turn central
bolt of toothed belt gear for crankshaft in
clockwise direction.

- Determine play between cams and valve
lifters.

CAUTION! - Push down on valve lifters using wood or plastic wedge. If 0.20 mm
(0.008 in.) feeler gauge can be inserted between camshaft and valve
lifter, replace valve lifter.
Valve lifter, replacing Page 15
-50
.
After installing the camshafts, the engine must not be started for
approx. 30 minutes. The hydraulic valve lifters have to settle
(otherwise valves will strike the pistons). After installing the valvetrain and lifters, carefully rotate the
crankshaft by hand at least 2 full revolutions before starting to be
sure that valves do not strike the pistons.
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