hey everyone. i recently just bought a 06 grand prix gxp a week ago. i had read alot of ppl's reviews on these cars that the trannys over heat...any help on avoiding that expensive fix?
thanks
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12-02-2011
hey everyone. i recently just bought a 06 grand prix gxp a week ago. i had read alot of ppl's reviews on these cars that the trannys over heat...any help on avoiding that expensive fix?
thanks
12-02-2011
hi.
Well I wouldnt say they overheat, but the for some reason the 04+ cars like to run alot hotter than the previous years. I am not sure if the size of the coolers were made smaller or weather the sensors on the newer models like to read weird.
From what I hear the 04+ cars run around 220-230 temp after completely warmed up. Which isnt that hot, but that temp should be right around 200º for perfect temp and fluid life. Because the coolers on the rad it should be right at what the coolant is running. I havent heard of a transmission failing yet because of how warm they run, but just know at 225º or higher the fluid life is cut down a ton to maybe even half its normal life.
12-02-2011
Welcome to it bro.
12-02-2011
so what could i do to avoid the problem? get a better trans fan?
12-02-2011
External transmission cooler would work best.
12-02-2011
ok. i plan on getting the tranny flushed and a new tranny filter and may plan on buying one. any other thing i should be aware of with the 06 gxp?
12-02-2011
Double check everything after installing it. In fact, put cardboard under the car for a few days after you install the external cooler to make sure there's no leaks.
12-02-2011
Originally Posted by Nixon
ok will do. any other good mods for these 5.3's?
i have a k&n and an exhaust...
12-02-2011
not sure if headers are available.
12-02-2011
any thought on what the dyno would say it produces with the intake and exhaust?
12-02-2011
Aluminum block draws more heat from the combustion chamber.
Transfers more heat to the transmission.
12-02-2011
im not super smart when it comes to cars yet. what does that mean?
12-02-2011
the V8 engine puts more heat into the transmission than the V6.
12-02-2011
I wouldn't do anything, you will cause more problems messing with it. Look up tripledgeperformance for common tranny problems. None of them are overheating.
Who told you the tranny overheats.
12-02-2011
tranny does run hot. an aftermarket cooler is a great start. doug thorly headers are available for a pretty penny. not many intake choices out there. there are alot of ls2, ls6 parts that swap over with little modification. triple edge performance does good trans builds, cartuning makes a turbo kit for our cars that makes rougly 500 hp. one of the cheapest things you can do right out of the box is wrap the crossover pipe with heat wrap. reduces the underhood temps quite bit.
12-02-2011
When's your next comedy show?
These suckers even overheat on stock GTP's.
12-02-2011
mine ran between 195-210 in the interstate at 75 and around 220 in town. thats why ive put in a trans cooler. brought the temps down to around 170 everywhere.
12-02-2011
Same here.
Even with a 180* Tstat i was seeing temps not real far off from that on the stock trans cooler. Went external and unless i'm beating the living snot out of the car my temps simply don't go above 170-175 range.
12-02-2011
just about every complaint conversation on this car was about the tranny over heating and everything. even the gm mechanics described it as over heating.
12-02-2011
could anyone give me a step by step on how to post a new thread????
thanksss
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