TT Coupe L4-1.8L Turbo (AWP) (2005)
Valve Guide Seal: Service and Repair
Valve stem seals, replacing
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Cylinder head installed
Removing
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Remove camshafts.
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Remove valve lifters and place them down with contact surface facing downward. When doing this ensure that lifters are not interchanged.
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Remove spark plugs with spark plug spanner 3122B.
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Set piston of appropriate cylinder to bottom dead center (BDC).
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Screw pressure hose VW 653/3 into spark plug thread.
The intake and exhaust valves are fitted at different angles in the cylinder head. Valve spring compressor 3362 can be set accordingly to two different
positions:
1 -
Upper position for center intake valve
2 -
Lower position for the two outer intake valves and the two exhaust valves
3 -
Threaded holes on each side to take two M6 x 25 bolts for securing spring compressor to cylinder head
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Mount fitting tool 3362 on cylinder head with fitting tool securing bolts.
Note:
To install assembly tool 2036 on the exhaust side the studs at the back of the exhaust side have to be unscrewed.
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Set correct position for valve concerned.
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Connect pressure hose to compressed air supply.
Air pressure: at least 6 bar
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Press valve springs down with threaded spindle and thrust piece 3362/1 and remove.
Note:
Tight keepers can be loosened by tapping lightly on the valve spring plate.