Question about 1984 Volkswagen Quantum
The car overheated the other day so I limped and stopped numerous times to get home. I have changed the thermostat as well as the fan sensor located on the radiator return hose. I also checked the old thermo and it did open. I have the bell and temp sensor going off in the car. I am SURE it had coolent so please rule that out. The hose on the high side is hot so I know the water is getting to the motor. I have no fans even with the A/C switch on. Car idles forever @ 190 but as soon as you drive quickly heats up.
I would begin to suspect that the water pump is not working properly. Is the bottom radiator hose hot too, and do you have the type of expansion tank which allows you to see the water going round?
Of course, if coolant is being pushed out of the system that would point to a blown head gasket but you haven't mentioned that, so I would suspect the water pump or the belt that drives it. Do you get a squeaking noise when you start from cold?
Posted on Jul 01, 2008
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Posted on Jan 02, 2017
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