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Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.6L SOHC Engine >> 1.6L SOHC >> Diagnosis And Testing >> Cylinder Head Gasket >> Cylinder-To-Water Jacket Leakage Test >> Visual Test Method

Visual Test Method

With the engine cool, remove the coolant pressure cap. Start the engine and allow it to warm up until thermostat opens.

If a large combustion/compression pressure leak exists, bubbles will be visible in the coolant.