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Home >> Volvo >> 2002 >> S60 Base, 2.4 61, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Engine - Cleaning, Inspection And Adjustment) >> Cylinder Head (B5254T2; 2004) >> Cylinder Leakage Test >> General Method Description >> Fault-Tracing

General Method Description: Fault-Tracing

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The source of a leak can be located by analyzing sound at the following points.

Exhaust pipe Faulty exhaust valve
Intake manifold / throttle body (TB) Faulty intake valve
Dip stick hole / Crankcase ventilation Faulty piston / piston ring
Adjacent cylinder Faulty cylinder head gasket
Radiator Faulty cylinder head gasket / cracked cylinder wall.
Also check for bubbles in the expansion tank.

A mechanic's stethoscope or a rubber hose can be used as a listening device.

NOTE:

There is leakage at the piston rings even on a perfect engine.

This is the only place where a small leak is permissible.

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