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Fan problem - it does not stops

 
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Old 15 Jul 2009, 09:38 pm
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Default Fan problem - it does not stops
I have a PT GT 2003. Coolant started leaking badly from bottom of front bumper. Took it to the mechanic and his diagnostic was that radiator had a crack.

The radiator was changed, but now the fan does not stops, it runs all the time.

Any idea where where to look at to diagnost the problem?
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Last edited by Rafaelhdezmex; 15 Jul 2009 at 10:10 pm.
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Old 16 Jul 2009, 09:30 am
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Default Re: Fan problem - it does not stops
Quote:
Originally Posted by Rafaelhdezmex View Post
I have a PT GT 2003. Coolant started leaking badly from bottom of front bumper. Took it to the mechanic and his diagnostic was that radiator had a crack.

The radiator was changed, but now the fan does not stops, it runs all the time.

Any idea where where to look at to diagnost the problem?
Hmm, sounds like the air conditioning pressure switch is bad. This happened to my dads chrysler LHS. When the switch went bad, the fans ran all the time. Either that, or its still running hot ?

~CYCLONE_06
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Old 16 Jul 2009, 12:33 pm
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Default Re: Fan problem - it does not stops
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Originally Posted by CYCLONE_06 View Post
Hmm, sounds like the air conditioning pressure switch is bad. This happened to my dads chrysler LHS. When the switch went bad, the fans ran all the time. Either that, or its still running hot ?

~CYCLONE_06
Hi Cyclone_06,

No, PT does not still running hot, needle temperature is on the acceptable range. However, now that you mention the air conditioning, it is not cooling, all air is warm.

Where the AC switch is located?
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Old 16 Jul 2009, 01:59 pm
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Default Re: Fan problem - it does not stops
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Originally Posted by Rafaelhdezmex View Post

Where the AC switch is located?

There are two pressure switches for the A/C. One on the compressor itself and one on the accumulator.





I'm not sure which would keep the fan going but either one would cause you to have warm air.
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Old 16 Jul 2009, 07:25 pm
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Default Re: Fan problem - it does not stops
Turn off the A/C and see if the fans stops..
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Old 16 Jul 2009, 07:34 pm
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Default Re: Fan problem - it does not stops
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Originally Posted by quicksilverdon View Post
Turn off the A/C and see if the fans stops..
Damn, why didn't I think of that, Don.
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Old 17 Jul 2009, 05:59 pm
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Default Re: Fan problem - it does not stops
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Originally Posted by quicksilverdon View Post
Turn off the A/C and see if the fans stops..
Even with A/C turned off, fan does not stop.
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Old 17 Jul 2009, 06:08 pm
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Default Re: Fan problem - it does not stops
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Originally Posted by Rafaelhdezmex View Post
Even with A/C turned off, fan does not stop.
Has anyone worked on any problem with your PT? Sounds like they might have hard wired the fan to a hot lead so it will run whenever the ignition is on.
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