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Richard
Richard, UK Car Mechanic
Category: UK Car
Satisfied Customers: 15342
Experience:  12 years as a technician at a Ford and Jaguar dealer Ford and Jaguar factory certified
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I,be had a coolant leak garage said it was water pump when

Customer Question

I,be had a coolant leak garage said it was water pump when pressure
Check done punp replaced home found still leaked the same took back to garage they said new pump pressured the system and caused thermostat housing to leak and they may have rocker cover when replacing thermostat housing.the leak was exactly as before water pump replaced.howmuch would it cost to replace thermos housing.
JA: What part of the car is the leak coming from? And are you sure it's water?
Customer: Yes it's coolant in it and I've topped up water it leaks about four pints in five miles.water coming font of engine block
JA: What is the model/year of your Jaguar?
Customer: 2008 58 plate
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: That was in first message
JA: Anything else you want the mechanic to know before I connect you?
Customer: No
Submitted: 2 months ago.
Category: UK Car
Expert:  Richard replied 2 months ago.
What model Jag?
Customer: replied 2 months ago.
Xf premier
58 plate
Customer: replied 2 months ago.
How much to replace thermostat housing at a garage and would new pump cause problem thanks
Customer: replied 2 months ago.
2.7diesel
Expert:  Richard replied 2 months ago.

https://www.britishparts.co.uk/products/6451-connector-water-outlet-LR073372G

The labor to replace the housing is about 2 hours.

Expert:  Richard replied 2 months ago.

It is possibe the pump failed/was the major leak and now since that is now working/not leaking this other leak was found.

Customer: replied 2 months ago.
leaking exactly same amount same place and only when thermostat opened
Expert:  Richard replied 2 months ago.

That is strange. It is possible this was mis diagnosed.