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Overheating... again

 
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macleod348
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Location: Speedway, IN

2005 Chevrolet Impala


PostPosted: Wed May 23, 2012 5:50 pm    Post subject:  Overheating... again Reply with quote

05 LS, 3800 V6 Replaced the thermostat about a year ago. Early spring had it in for a flush and fill, then replaced the water pump. Still running hot when sitting still. It will get to just above half way, fans kick on and it cools right down. Both upper and lower radiator hoses are super hot to the touch. Faulty thermostat or clogged radiator? At my wits end!
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98ss
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Location: Ann Arbor

2002 Chevrolet Impala
2011 Chevrolet Silverado


PostPosted: Wed May 23, 2012 8:53 pm    Post subject:   Reply with quote

Mine does the same thing. Not too worried about it because it doesn't get up near the red. The guage going up half way should be very close to normal operating temp. Stock stat should be 195, I think the middle of the guage is 210...close enough. I replaced mine with a Napa stat...maybe its just a property of the stat. Some will open at 195, some will open at 198 ect, either way its close to half way.
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billy101
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Location: Willow Spring, NC

2001 Chevrolet Impala
2010 Chevrolet Malibu


PostPosted: Wed May 23, 2012 11:40 pm    Post subject:   Reply with quote

Try throwing a 180* thermostat in there. It won't throw a code with a stock PCM, but you won't get full use without a tune. But it will open earlier and maybe help with cooling.

_________________
2002 Impala LS 3.8 -121,749 miles 11/13/2011
2001 Impala LS 3.8 - 118,510 miles. 9/2/2011. RIP - 11/12/2011
2010 Malibu LTZ 3.6 - 16,014miles. 8/20/2011.
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macleod348
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Joined: Dec 16, 2010
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Location: Speedway, IN

2005 Chevrolet Impala


PostPosted: Thu May 24, 2012 2:45 pm    Post subject:   Reply with quote

I was thinking the possibility of a clogged radiator. Anybody have this problem in one of these cars. When the shop did a flush and fill he asked if I had put any stop leak in, I told him no. He said the flushed out coolant was pretty chunky.

Is there a way to check for a clog without pulling the rad?
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Domo
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2001 Chevrolet Impala
2002 Chevrolet TrailBlazer
2005 Chrysler 300C


PostPosted: Thu May 24, 2012 2:52 pm    Post subject:   Reply with quote

Pulling the Rad isnt difficult at all... You can do it yourself with basic tools. If you have to pull it.
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