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Help, temp jumping around

 
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  #1 (permalink)  
Old 09 Dec 2011, 03:39 am
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Default Help, temp jumping around

Here is my problem with my 2001 PT cruiser with 128k km. When it's cold outside, like 2c to -20c the temp guage niddle will just moving around when there is a speed.
no matter what speed. That say at 100km the niddle is in the middle next few mintes it will drop and next few minuties it will back to normal range.
We all know there is a blue around and next line above the blue area to the middle, that's where my temp niddle moving around. when i'm idle the car,
it stay a little blow the middle or middle. Here is what i changed when doing the timing belt at 122k km
Replaced the radiator cap, thermostat, water pump, and new radiator
Yes! new radiator the old one is leaking badly! upper and lower.
Anyone have an idea what's goin on??? is it because there is bubble inside the radiator???
btw how u change the front wheel bearing?? Do I need to take apart of outer tie rod etc??? cuz i don't want to do spend an other $150 for alignment.

Thanks,

Last edited by ejui85; 09 Dec 2011 at 04:04 am. Reason: typing error
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Old 09 Dec 2011, 07:19 am
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Default Re: Help, temp jumping around

Two things. Try replacing the oil sending unit and go to the HOW TO thread of this forum in the Tech & Performance section to find out how to change the wheel bearings.
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Old 09 Dec 2011, 08:31 am
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Default Re: Help, temp jumping around

Oil sending unit???? why is that effect temp?
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Old 09 Dec 2011, 08:38 am
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Default Re: Help, temp jumping around

Sorry, doing to many things at once. I meant the temperature sending unit.

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Old 10 Dec 2011, 10:53 pm
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Default Re: Help, temp jumping around

I am scared of sending unit but seem like it's easy to replace. What happen If the sending unit stop working?
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Old 10 Dec 2011, 10:58 pm
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Default Re: Help, temp jumping around

Seem like I have to replace both at the same time?? how much it will cost?
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Old 11 Dec 2011, 05:42 am
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Default Re: Help, temp jumping around

If you have to pay to have it done, it all depends on the hourly rate of the mechanic. Should take about 1 1/2 hours.
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