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Home >> Dodge and Ram >> 2015 >> Durango SXT, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 150 (5.7L Engine (Service Information)) >> Cylinder Head >> Diagnosis And Testing >> Diagnosis And Testing - Cylinder Head Gasket Failure >> Cylinder-To-Water Jacket Leakage Test >> Cooling System Tester Method

Cooling System Tester Method

WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:

With the cooling system tester in place, pressure builds up fast. Excessive pressure built up by continuous engine operation must be released to a safe pressure point. Never permit pressure to exceed 138 kPa (20 psi).

Install the commercially available Cooling System Tester to pressure cap neck. Start the engine and observe the tester's pressure gauge. If the gauge pulsates with every power stroke of a cylinder a combustion pressure leak is evident.

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