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| Cavalier Problem Diagnosis Got a problem you can't fix? We can help. |
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#1
11-23-2004, 11:17 AM
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2000 sunfire heating problem
00 sunfire was overheating so I changed the thermostate and now it barely heats up when driving and at a stop it heats to normal temp then goes down once it stsrts moving. It has the 2.2L in it
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#2
11-23-2004, 03:46 PM
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Re: 2000 sunfire heating problem
Might be a faulty coolant Temp sensor.
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RIP Hypsi - I just want to express I will never be the same after having lost such a good friend. You meant alot to me and I feel I am a better person for having known you. Til the day we meet again my friend you will always be in my heart. Mods: Weight reduction (I don't wear underwear)
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#3
11-23-2004, 05:00 PM
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Re: 2000 sunfire heating problem
that's the way they run, my 2.2L (when I had it) ran cold as well unless it sat. I changed the thermostat to try to correct the issue, but it still ran the same way, so I didn't mess with it any more.
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#4
12-02-2004, 12:01 AM
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Re: 2000 sunfire heating problem
If you change the thermostat, be sure to use a GM part, as the aftermarket t-stats have a weak spring, which lets it open even though the vehicle is not up to temperature. My wife's car had the same problem. Hope this helps.
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