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Old 01-31-2014, 03:34 PM   #1
crasher247
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2000 grand am 2.4 coolant temp an

coolant problem my mom has a 2000 grand am 2.4 an we had problem with the thermostat.. well at first the temp went up to 220 fh so we replace the thermostat so drove it for about wk an now the return line to the radiator has a lot of presser on it an I squeezed it an see it coming out of the over flow does any buddy no what to do the temp goes up 220 so I shut the care off and the line still has a lot of presser on it till about 5 10 min... thanks to all that can help
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Old 01-31-2014, 04:23 PM   #2
gmtech1
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Re: 2000 grand am 2.4 coolant temp an

220 is normal operating temperature. most cooling fans don't come on till 225 or higher.
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Old 01-31-2014, 09:49 PM   #3
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Re: 2000 grand am 2.4 coolant temp an

When it hit's 220F, is this at an idle? Will it go higher? Does coolant fan come on by 228F?

What is the temp when driving down the highway?

Coolant level ok? Check it cold.....does this have a radiator cap, or pressure cap on the reservoir?
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Old 01-31-2014, 10:07 PM   #4
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Re: 2000 grand am 2.4 coolant temp an

Quote:
Originally Posted by Tech II View Post
When it hit's 220F, is this at an idle? Will it go higher? Does coolant fan come on by 228F?

What is the temp when driving down the highway?

Coolant level ok? Check it cold.....does this have a radiator cap, or pressure cap on the reservoir?
Pressure cap yes temp goes up the most I let it go about 230... do you think I have a vapper lock one of my frends told me that I mite..... I primed it after I change the thermal
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Old 02-01-2014, 02:18 PM   #5
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Re: 2000 grand am 2.4 coolant temp an

Not a "vapper lock", rather an air pocket.......if you lose coolant(that's why I asked you to check the system level cold), it creates an air pocket, which can cause a vehicle to overheat.....

If coolant level drops as you check it each day, you have a leak somewhere....

Does your A/C work? With the car at normal operating temp, turn the defroster on.....this should cause your A/C compressor to run, provided ambient air is not below freezing.....this should cause your coolant fan to come on(this is a quick check of your coolant fan).....
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