BradE Posted December 17, 2005 Share Posted December 17, 2005 I have a question about my Celsior, my heat doesnt work and my car keeps trying to overheat. I have checked the thermostat and heater control valve and coolant level. Everything seems fine. I think it might be the water pump but if it is wouldnt the rest of my cooling system not get any water? Any help would be appreciated. My Celsior is a 1990 model. Quote Link to comment Share on other sites More sharing options...
RFeldes Posted December 17, 2005 Share Posted December 17, 2005 The whole system would have coolant, just not moving. The pump is at the bottom and it sounds like it's failing. Quote Link to comment Share on other sites More sharing options...
TexasLexus94 Posted December 17, 2005 Share Posted December 17, 2005 My 94 LS wouldn't provide heat the other day, and after messing with the system for a while, I noticed that the hose at the bottom of the radiator was much cooler than the one at the top. I had guessed that the thermostat was OK, since the car did not overheat-I simply had no heat in the cabin. For grins, I replaced the thermostat with a $7 cheapie, and now the system works peachie. I also was surprised that the system needed more coolant. I'm thinking that the thermostat might have been blocking water flow, but not enough to cause overheating? I'm no mechanic, but I'd recommend replacing the thermostat anyway, since it takes all of 5-10 minutes. Quote Link to comment Share on other sites More sharing options...
Kennyr Posted December 17, 2005 Share Posted December 17, 2005 You say you checked your thermostat. How did you do that? It's probably stuck open. Quote Link to comment Share on other sites More sharing options...
monarch Posted December 17, 2005 Share Posted December 17, 2005 I have a question about my Celsior, my heat doesnt work and my car keeps trying to overheat. I have checked the thermostat and heater control valve and coolant level. Everything seems fine. I think it might be the water pump but if it is wouldnt the rest of my cooling system not get any water? Any help would be appreciated. My Celsior is a 1990 model. What's the service history of the car? The modification history (things as simple as using an aftermarket thermostat or thermostat gasket = a mod) ? Under what driving circumstances was the problem first noticed? Quote Link to comment Share on other sites More sharing options...
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