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post #1 of 4 Old 10-23-2002, 05:50 PM Thread Starter
BPAGS11
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overheating

I have an 89' 2.5, and lately after driving it for the day it's been overheating. It runs fine all day at around 185, then all of the sudden it spikes and overheats. Is this my water pump or my
t-stat?? Any info would help. THANKS

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post #2 of 4 Old 10-23-2002, 05:59 PM
SeaBee
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Make sure coolant level is ok first. It sounds like a sticking t-stat. Those are easy to replace. If that does not fix it, I think it would be a gage or sending unit problem. Try tapping on the gage (slim, I know) You might also try putting the heater on full blast, that should cool it down some. I really doubt that it's a water pump. It wouls likely o/h all the time plus it usually makes noise or leaks visibly. Oh, you might double check that you don't have coolant in your oil (milky) just to be safe. Hope this gives you a start.

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post #3 of 4 Old 10-23-2002, 07:06 PM
NaeKid
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It spikes? You mean the gauge bounces from average to full hot really quickly? Its the guage then, or a wire, or the sending unit ..

If it actually tries to boil over, then I would look at the water pump or the t-stat first ..

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post #4 of 4 Old 10-23-2002, 09:02 PM
LoOpY
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a coolant flush may also be in order. hows your radiator look? like a puzzle with a few missing peices, or is it all still there?
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