Antifreeze odor
#1
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am getting antifreeze odor when driving and after stopping Does not appear to be coming from radiator or any signs in the exhaust. Am losing some antifreeze from expansion tank. I am planning to change thermostat housing replacing the plastic housing - any heads up on doing this Would appreciate some input on further checking or solutions
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2001 XK8 (added by GGG)
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2001 XK8 (added by GGG)
Last edited by GGG; 04-11-2020 at 01:47 PM. Reason: Add Model & Year details
#2
#3
#4
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The coolant smell is obviously a leak. The only way to find a hidden leak is to perform a pressure test on the cooling system. You will probably find that the heater inlet or outlet hose is leaking. Since the leak will flow into the valley area of a hot engine and boil off you only get the odor. It could also be at any connection near an exhaust area. That would also boil off the fluid.
I recommend the Harbor Freight test kit for radiators since it has the right adapters.
I recommend the Harbor Freight test kit for radiators since it has the right adapters.
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crbass (04-11-2020)
#6
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One common place is all of the hoses/reservoir above the left cat. Drips onto the cat have been the bane of one of my cars. Both the hoses from the heater matrix, and the reservoir have appeared at different times. So, with everyone else's suggestions, essentially any of the hoses above hot things....
Second the pressure tester.
Second the pressure tester.
#7
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One common place is all of the hoses/reservoir above the left cat. Drips onto the cat have been the bane of one of my cars. Both the hoses from the heater matrix, and the reservoir have appeared at different times. So, with everyone else's suggestions, essentially any of the hoses above hot things....
Second the pressure tester.
Second the pressure tester.
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