jaguar Workshop Repair Guides

Jaguar Workshop Service and Repair Manuals

Engine Cooling - Overheating Thermostat Stuck Closed|Page 1532 > < Engine Cooling - Overheating Thermostat Stuck Closed
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Thermostat: Testing and Inspection

Thermostat Test, Mechanical 

NOTE:  Fully open means the thermostat valve lifts a distance of 5.8 mm (0.2 inch) or more off the valve seat.

Remove the thermostat and immerse in a boiling antifreeze and water mixture. The thermostat should begin to open at

Engine Cooling - Overheating Thermostat Stuck Closed|Page 1532 > < Engine Cooling - Overheating Thermostat Stuck Closed