Re: 2.3L Coolant Issues
1. A water pump with a rotted impeller would cause overheating.
I had the same problem. The gasket that seals the thermostat to the top of the t-stat housing was bad allowing the coolant to bypass the thermostat. Now I have heat and the gage comes off the cold mark.
On the 2.3 and I would imagine the 2.5 would be the same the t-stat has to have a seal.
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1992 XLT SWB 2.3 5 speed
1992 Thunderbird 3.8 LX
1990 Corvette Coupe L98
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