James

hey anyone ever try just bypassing the tranny cooler in the radiator and just putting like three (random #, 2 if you prefer) aftermarket coolers in instead? i know it'd be a lot of hose but would that benefit in helping the radiator cool the engine better?

barnoun

I was reading up on tranny coolers and it's recommended that the tranny fluid that goes to the radiator be bypassed when installing a separate tranny cooler. Having the tranny fluid away from the engine water helps it stay cooler, increasing the aftermarket cooler's efficiency. And oh yeah, the "stack plate style" is better than the "tube-and-fin" style cooler

By Nature

d'oh I got "fin" style one.. and I am using it in line with stock radiator cooler... I don't see how you can use it parallel to radiator cooler, unless you make some T fittings... I think the question most people ask is whether to install the cooler before or after the radiator cooler. Before is good when you live in really cold climate and you want the fluid to warm alittle bit after being cooled in the aftermarket cooler... After is good when you want maximum cooling during towing or hot weather....I don't think there is a need to have more then one transmission cooler.. after all you can get a real heavy duty one, the one they use on tow trucks, but that is not even necessary... btw too many coolers would block air flow to the radiator.

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2003 VW Jetta 1.8
1998 Nissan Sentra 1.6

James

well i'd route them so they're on the right hand side where it's outta the way of the radiator... well i think it's beneficial that way the radiator isn't doing double duty.