damn near overheating... - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-13-2005, 01:28 AM   #1
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Default damn near overheating...

ok for some reason my fan doesnt kick on until the temp reaches 220, either way around 215-220 i start seeing steam/smoke coming out the grill, it smells like coolant but there is no coolant leak, ive checked, and theres no stray coolant anywhere cuz i just engine brited it, so what is this, is this a problem, and if so how do i fix it?
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Old 04-13-2005, 01:38 AM   #2
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Possibly a bad water pump (not pumping coolant enough to cool) or a stuck thermostat (stuck shut not allowing coolant to circulate.) You may also have the incorrect mixture of coolant/water.

The fans stock won't kick on until 215* unless you have a chip programed elsewise.

How long is the vehicle running before it starts doing this?
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Old 04-13-2005, 01:42 AM   #3
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usually after a halfhour, and its a new waterpump, think its bad?
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Old 04-13-2005, 01:48 AM   #4
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It'* not very likely that then....but the possibility is always there I guess. When was the last time if ever have you changed your t-stat?
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Old 04-13-2005, 01:53 AM   #5
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havent, ill look into it
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Old 04-13-2005, 02:06 AM   #6
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do i rly need to drain the coolant to replace it? thats such a pain in the ***
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Old 04-13-2005, 02:07 AM   #7
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Quote:
Originally Posted by NERV
do i rly need to drain the coolant to replace it? thats such a pain in the A$$
you dont have to drain it, but you will lose a lot out the top when you do it...
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Old 04-13-2005, 03:51 AM   #8
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dont matter not the tstat, upper hose is hot
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Old 04-13-2005, 04:28 AM   #9
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HOW do you modify the fan to turn on at lower temperatures? Mine will go from 160-170 to near 220 as well in about 2 minutes if idling. Then the fan kicks in and it goes back to a little less than 200.

Is there a way to make it turn on at lets say 190?
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Old 04-13-2005, 08:46 AM   #10
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Check out this thread, it talks about overriding fans. There'* more...but I am at work. hehehe Boss don't know.

http://www.bonnevilleclub.com/forum/...ight=fan+relay
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