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2005 Non-Turbo Overheating Issues

 
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Old 29 Jul 2013, 09:14 pm
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Default 2005 Non-Turbo Overheating Issues

Hi, I have a 2005 Non Turbo PT Cruiser with 275,000 miles. Yes, that's right 275,000. The car was given to me by my grandfather(salesman) who took very good care of this vehicle. Lots of repairs have been made and he has never missed a 3k oil change. But, there has never been any repairs to the cooling system other than maintenance of the radiator every 36k. The vehicle sat up this year for about 3 months before I was able to start driving it. It started to overheat on me a couple of weeks ago. Only when the vehicle was idling or in stop and go traffic would this occur. I have checked the water pump (good flow), thermostat(opening when reaching operating temp), and I'm fairly confident that the radiator is in good shape(no corrosion visible). THE FAN seems to being acting erratic, sometimes it works when it's suppose to. When you to on A/C it comes on immediately but not every time. When the engine reaches temperature it also will comes on but not every time. When it has over heated the fan has been OFF. When I removed the fan and direct wired it, it came on but I only noticed 1 speed. It also seemed to run a little ragged. I put the fan back in and it lasted for a couple of more days before I noticed it quit again. I'm ready to replace the fan but should I also consider the relays and or the ECT? Thanks
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Old 29 Jul 2013, 09:19 pm
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Question Re: 2005 Non-Turbo Overheating Issues

With that many miles,and the original fan motor....The armature is probably worn down enough to warrant a new fan motor.....When you 'jumped' the fan you only got one speed?
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Old 29 Jul 2013, 10:00 pm
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Default Re: 2005 Non-Turbo Overheating Issues

Yes, One speed. There were three wires coming off the fan. A black, blue and green I believe. I assumed the black as the common ground and blue and green as leads from the high and low relays. I'm assuming bypassing the relays would cause 1 speed. But then I was only getting one speed when wired properly. That's why I'm not sure if or which relay should be replaced. If I was going to take a guess I would pick the low.
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Old 29 Jul 2013, 10:21 pm
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Post Re: 2005 Non-Turbo Overheating Issues

Not sure of the colors;But the middle one is the common.....The outer ones are the high and low speeds.
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Old 29 Jul 2013, 11:05 pm
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Default Re: 2005 Non-Turbo Overheating Issues

ya, best to replace the fan. you can get a dorman fan for less than $100 on amazon or rockauto. dorman's come with a lifetime warranty.
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