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Overheating

 
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  • 1 Post By ptcruisersteve

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  #1 (permalink)  
Old 30 Jun 2016, 09:12 pm
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Default Overheating

Hello everyone ok so I know this is a popular discussion but I have one question so I just bought the car and they said it overheates every once in awhile so I figured I have worked on cars before no biggy but now I am stumped so I have followed all previous instructions and I found out that my a/c isn't connected so I connected it and found out why it was but my question is would that affect my radiator fan even the high one I hot wired the fan just to see if it worked and the high does so any suggestions thanks
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Old 01 Jul 2016, 05:25 am
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Default Re: Overheating

Quote:
Originally Posted by Donnyolympia View Post
Hello everyone ok so I know this is a popular discussion but I have one question so I just bought the car and they said it overheates every once in awhile so I figured I have worked on cars before no biggy but now I am stumped so I have followed all previous instructions and I found out that my a/c isn't connected so I connected it and found out why it was but my question is would that affect my radiator fan even the high one I hot wired the fan just to see if it worked and the high does so any suggestions thanks
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Old 01 Jul 2016, 06:01 am
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Location: Lake Wales, FL
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Default Re: Overheating

What year is your PT? It could be a faulty fan relay (depending on the year), thermostat, radiator cap, cracked hose from radiator to overflow jug, to a clogged radiator or faulty PCM. We need more info, like JoeX said.
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Old 01 Jul 2016, 11:23 am
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Default Re: Overheating

Ok sorry about that it is a 2001 limited edition and the fan is just not coming on unless I go straight from battery to the yellow wire which I assume is the high one cause goes fast but I looked at other posts and everyone kept referring to the a/c and I looked and mine was unplugged I plugged it back in and for good reason it was discoed would that hinder the cooling fan from working and I felt both hoses the were both same temp so thermo is working and there is no leaks
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Old 01 Jul 2016, 11:49 am
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Default Re: Overheating

First thing I would suggest you do is with the engine off, remove the low speed relay, start the engine and see if the high speed on the radiator fan comes on automatically. If it does it tells you the fan circuit between the relays and the radiator fan is good.

Did you check both high and low speeds on the radiator fan to see if they both work?

Can you explain why the previous owner left the A/C wire disconnected?
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Old 02 Jul 2016, 07:03 am
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Default Re: Overheating

Ditto on what Steve said. And you can swap relays around in the fuse box under the hood. They're all the same #. Maybe you just have a bad relay. Have you ever done a coolant flush and fill and thermostat change? Just throwing that out there too.
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