Are the 4.2 thermostat housings weak too?
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Be sure to replace the entire black plastic assembly, not just the thermostat housing. That black plastic tends to get brittle and warp as the years and drive cycles go by. Jaguar calls that assembly the coolant outlet duct. There are a number of descriptive threads here on the forum that will ensure you do this job right. Remove the metal front manifold plate to gain access to the two rear bolts on the coolant outlet duct that give everyone so much trouble. Be sure to also buy the replacement gasket that goes behind the metal plate before you do the job. That gasket will be cooked from the heat cycles so you'll want to replace it to ensure no air leaks once the plate goes back on....
Good luck....
Good luck....
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mikiep
XK8 / XKR ( X100 )
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12-20-2019 07:37 PM
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