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transmission cooler ?
Posted 02 August 2006 - 10:20 PM
Posted 03 August 2006 - 01:22 AM
Posted 03 August 2006 - 05:20 AM
Posted 03 August 2006 - 06:23 AM
Posted 03 August 2006 - 08:16 AM
Posted 03 August 2006 - 11:45 AM
Basically, I found the hoses going to the radiator in-tank ATF cooler ('96 Legthey're on the LH side of the radiator; '00OBW they're on the bottom), then pulled one of them off. Convenient thing was they're just hose on a barb connections, no complicated manufacturer proprietary fittings there. Then I started the engine for a second to figure out which hose was the AT outlet (the one fluid came out of) and the return (the one fluid didn't come out of). (This is also a convenient way to flush the old fluid out of the torque converter when changing out ATF; draining pan only doesn't get it all). Then connected the PermaCool in series from the radiator in-tank cooler outlet and the AT return line with the supplied PermaCool hose which seemed the right size for the barbs.
The coolers are fastened between the bumper and front of the A/C coil jobby there in front of the radiator. Plenty of room there from what I remember. You could probably even fit an ATF cooler with integral fan if desired.
Also installed filtration in series with the ATF cooler circuit between the AT outlet and the radiator in-tank cooler. On these vehicles, there was tons of room inside the LH fender, just pulled that plastic thing out of the way under there. The screen filter in AT doesn't get the small stuff. Even the external filter on the phase II's doesn't filter like a bypass filter to get the maybe 2um stuff.
Preferably the ATF temp gauge would go near the AT outlet to let you know the fluid temp coming out (before cooling). Like to keep it below 180 deg. F, even climbing long steep hills in hot weather A/C maxed never gotten it above 210 deg. F with the cooler. After one day of climbing like this in the '96 it's slight torque bind in hard corners was gone. Suspect the cleaning action of good quality hot ATF melted off the junk on the clutches.
Synthetic ATF should be more resistant to undesirable oxidation. Currently running Amsoil universal syn ATF in both vehicles and the shifting is very nice; like it a bit better than Mobil1 syn ATF which I have also tried.
Posted 03 August 2006 - 01:31 PM
Posted 03 August 2006 - 01:51 PM
Then I started the engine for a second to figure out which hose was the AT outlet (the one fluid came out of) and the return (the one fluid didn't come out of).
Did you install it so the fluid went through the radiator cooler first and then the aftermarket cooler, or the other way around?
Posted 03 August 2006 - 02:43 PM
Posted 03 August 2006 - 07:09 PM
2X2KOB, I installed it so it goes through radiator in-tank cooler first, then aftermarket cooler.
Posted 03 August 2006 - 08:41 PM
Posted 04 August 2006 - 09:35 AM
Keeping the tranny fluid temp under control is key to extending the life of the trans. It's no small deal.
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