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Old 11-16-2006, 02:31 AM
tendrheartangel tendrheartangel is offline
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Re: 91 Tempo Cooling/Heating system problem

Yeah....the controls are working because until the night that it overheated the first time, I had no problems with the heat/defrost, although a couple nights before this started, I got a little "fog" on the windshield when I started the car, which I thought about in passing as a possible heater core issue.

This weekend, we are going to have a professional system flush done to make sure everything is clear. If that doesn't work, we will probably replace the heater core (which we can and have done ourselves on another car).

When we replaced the thermostat and sensor, we drained and did a chemical flush on the system, and after those things were done, we seemed to be doing a little better. Before we did that stuff, the car would overheat even on surface streets, but after, it only gets up to about 3/4 of the gauge on surface streets. I think the flush we did may have opened it up a little so we are getting SOME circulation, but not completely, and I hope a professional flush might clear the blockage completely.

Will let ya know what happens after the flush. Hopefully that will work.
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