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Matt, Engineer
Category: Jaguar
Satisfied Customers: 394
Experience:  Mechanical Engineer with 20 years experience in the auto industry, 8 yrs in formula 1 engine testing
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Replaced thermostat on 2009 jaguar xf premium luxury. Engine

Customer Question

Replaced thermostat on 2009 jaguar xf premium luxury. Engine now knocks and it is limp mode. No sudden coolant loss, nor is there coolant mixed in oil.
JA: When was your last oil change?
Customer: 1500 miles ago
JA: Are you fixing your XF yourself? What have you tried so far?
Customer: I am. I replaced the head gaskets and thermostat. thats it.
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 2 months ago.
Category: Jaguar
Expert:  Richard replied 2 months ago.
Did you replace the head gasket and thermostat due to an overheating issue?