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Old 04-20-2006, 09:28 AM   #1
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Default Trans cooler?

How cost effect is installing a trans cooler on an 03 at 40000 miles? Someone suggested it because they had put one on their 88 Olds.
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Old 04-20-2006, 09:33 AM   #2
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I personally think it'* beneficial. It gives you a bit more fluid to circulate, keeps things cooler, and is a good idea if you're going to mod the car.
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Old 04-20-2006, 09:43 AM   #3
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Quote:
Originally Posted by willwren
I personally think it'* beneficial. It gives you a bit more fluid to circulate, keeps things cooler, and is a good idea if you're going to mod the car.
Any suggestions for a rather inexpensive, easy one to put on. The car is not abused; will not be moded. When it'* hot and the motor'* warm, I usually drive in 3rd to keep rpms in trans up to keep pumping fluid through the radiator cooler. I put it in neutral at stoplights for the same reason in hot weather.

But I think a cooler could be good.
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Old 04-20-2006, 09:49 AM   #4
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Anything in the 10-12 GVWR range will be under $50. That should do fine. Fairly compact as well.

I'm running an 18000 GVWR viscosity/thermo controlled unit, but that'* a bit extreme for your description.
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Old 04-20-2006, 09:51 AM   #5
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Default Re: Trans cooler?

Quote:
Originally Posted by imidazol
How cost effect is installing a trans cooler on an 03 at 40000 miles? Someone suggested it because they had put one on their 88 Olds.
The dealer told me mine came with one but I dont see it....
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Old 04-20-2006, 09:54 AM   #6
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All of us have a dinky little chamber in the radiator for the trans.

92-95 SSE'* and SSEi'* came with an external Auxiliary cooler. I ditched mine and did a radiator bypass after the trans explosion due to debris clogging all the passages.

I now run ONLY the 18k external unit.
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Old 04-20-2006, 10:02 AM   #7
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Quote:
Originally Posted by willwren
All of us have a dinky little chamber in the radiator for the trans.

92-95 SSE'* and SSEi'* came with an external Auxiliary cooler. I ditched mine and did a radiator bypass after the trans explosion due to debris clogging all the passages.

I now run ONLY the 18k external unit.
Do you know where I should look for the chamber on my GXP? Should my 95 SSE have one too?
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Old 04-20-2006, 10:29 AM   #8
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Both cars do.

Follow the trans lines from the bottom of the trans to the radiator. Typically (at least on the 95) on the passenger side of the radiator.
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Old 04-20-2006, 10:31 AM   #9
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imidazol
Nice topic. I am interested as well with only 25K on my 04 Bonneville.

Does anyone have a mini tutorial with pics for an install?
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Old 04-20-2006, 12:24 PM   #10
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guys the junkyards are full of stock GM Tranny Coolers....they are cheap and easy to install....just remember to fully flush the cooler before installation
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