1995 cadillac fleetwood brougham that ran hot. All fans work. Water boils out of the reservoir. I changed thermostat whats next. I had it parked running with the AC on
Check your water pump to make sure it is working, otherwise your coolant is just sitting still and that is why your car is running hot.
How can u check the water pump without changing it?
check and see if it is leaking water. In rare cases it will not leak water but you hear a squeaking noise coming from the engine area, and usually the bearings are bad, it looks it is running well, but the flywheel turning is not pumping coolant to cool the engine,
If you have a clutch fan you have the heavy cooling system. Otherwise you have electric cooling fans which should be running with the A/C on. If they are check the front of the radiator for excessive dirt, leaves, etc. When you refill the cooling system you must do so through the thermostat housing since it sounds like you lost a large amount of coolant. Once it's full start the engine with the plastic recovery tank cap off. Set the climate control at 90° and defrost. As the engine warms up the coolant in the plastic tank may drop down. Keep topping it off until the engine is fully warmed up. The water pump on these engines rarely leak on the outside. They're directly driven by the engine and tend to leak coolant from the rear into the crankcase. Keep an eye on the oil dipstick. If you see white milky "goop" on the dipstick it's most likely the water pump leaking and not a blown head gasket. When an engine overheats at idle 99% of the time it's either extremely low on coolant or it's an airflow through the radiator problem. HTH. -Jim
*heavy DUTY cooling system.
Thanks guys! It was the water pump!!
You're welcome. Glad to help. Thanks for letting us know! Glad you're back on the road! -Jim
I got another issue with my caddy. the traction control light wont go off. what can I do to get it off and my traction restored?
Check the switch in the glove box. It may have accidentally been switched off. Otherwise, it's probably a problem with the anti-lock brakes. Is the ABS light on too? The two systems work together. If the computer detects a problem with one system, usually the ABS, both systems are disabled. HTH. -Jim
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