Transmission fluid temp gets up to 231 degrees

Asked by 1979corvette Aug 13, 2016 at 07:31 PM about the 2004 Pontiac Grand Prix GTP

Question type: General

I bought a 2004 Grand Prix gtp from my
friend and was driving it today and notice
my transmission fluid temperature got up
to 231 degrees just wanted to see if that's
bad and i should take it in to get fix or if it's
ok

2 Answers
103,445

KenF answered 8 years ago

That's a little higher than normal operating range. Check your trans fluid level, check operation of cooling fans if you have a trans cooler in the radiator. Trans may just be due for service.

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dremedy answered 5 years ago

my Pontiac GXP was running hot like that . i found out i had a busted radiator cap i removed cap and pieces that were broke off replaced with a new radiator cap and now it is running 170 - 200 degrees. if you loose pressure through the radiator cap the motor runs hotter as well as the transmission.

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