why am I losing Coolant

Asked by Autumn Nov 20, 2021 at 12:13 PM about the 2000 GMC Yukon XL 1500 SLT 4WD

Question type: Maintenance & Repair

I replaced the radiator in my 00 Yukon xl 1500 an it's still
losing fluid what could it be or what should I check

1 Answer
157,615

James answered 3 years ago

Check the engine oil. If you pull the dipstick and it has white goop on it the head gasket is blown or the intake manifold is leaking. The heater core may be leaking as well. Does the windshield fog over on the inside or do you smell a sweet smell inside of the vehicle? If so the heater core is leaking. Hope that helps! Jim

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