Question about 1989 Plymouth Reliant

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My reliant K is is constantly over-heating even after 10 minutes of running time. Is that a thermostat problem?

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Reliants run very hot normally, but you are definitely having a cooling problem. More than likely your thermostat is stuck in the open position. The reliant comes with a 220 degree thermostat, and what that means is that it doesn't kick in until 220 degrees before your fan goes on to cool down the radiator. It is much better to switch to a 180 degree thermostat, which will kick in sooner to cool everything down. Your Reliant also came with a single core radiator, which is also part of the cooling problem on these cars. It is a far better idea to switch to a dual core radiator. Between the 180 thermostat and the dual core radiator, your cooling problems will be a thing of the past.

Peace,

Chief

Posted on Jun 13, 2009

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It could be a stuck thermostat, a bad radiator, a bad water pump, the timing belt worn out retarding the timing back, or even a leaking head gasket.

Posted on May 25, 2009

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1 Answer

Should my thermostat be removed?


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1 Answer

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