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Verfügbare Sprachen
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The leak can be spotted by listening to the noise of the escaping air or by feeling the air stream.
L O C AT I O N O F P L A C E S O F N O I S E :
• intake manifold
• exhaust manifold
• oil filler neck
• cooling liquid filler neck
CAUTION :
Risk of burning on warmed-up engines - do not touch any of hot parts.
•
Differences between the individual cylinder up to two graduation lines (= 4% pressure loss) are
acceptable.
•
The leakage on engines which have run less than 5000 kilometers may be higher, because the
cylinder, the piston and the piston rings have not yet reached their full smoothness.
•
Necessary testing pressure: 6 to 12 bar
D E F E C T I N G
• inlet valve defect
• exhaust valve defect
• piston/piston ring defect
• cylinder head gasket defect
2 6 1 1 9 L
13
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