baindoor Posted May 11, 2008 Share Posted May 11, 2008 Got a 1999.5 Pathfinder 3.3. I'm installing a transmission cooler. Wondering if anyone knows which transmission fluid line is the outflow from the transmission (passenger side or driver side)? thanks Jeff Link to comment Share on other sites More sharing options...
TerranoNZ Posted May 11, 2008 Share Posted May 11, 2008 If your just fitting a trans cooler it won't matter....will it? Link to comment Share on other sites More sharing options...
94extreme Posted May 11, 2008 Share Posted May 11, 2008 and the fittings should tell you which hose goes where. Link to comment Share on other sites More sharing options...
baindoor Posted May 11, 2008 Author Share Posted May 11, 2008 It matters-- transmission cooler is supposed to be in series after the existing transmission cooler below the rad. So you need to know which line is flowing out from the tranny and which line flows back to the tranny. I can check by running the engine with the lines disconnected but it someone knows which is which it means its less messy for my garage.... Thanks Jeff Link to comment Share on other sites More sharing options...
Simon Posted May 11, 2008 Share Posted May 11, 2008 NOt off the top of my head, but just have someone start it, while you have both lines in a bucket. see which one fluid comes out of, and shut the truck off immediately. Pretty easy, and that's how I did mine. Link to comment Share on other sites More sharing options...
baindoor Posted May 11, 2008 Author Share Posted May 11, 2008 For the record its the line on the driver side inlet on the radiator... Link to comment Share on other sites More sharing options...
ISlandBoy Posted May 14, 2008 Share Posted May 14, 2008 i cannot remember but search for a thred by skrillaguerilla.. i believe he has pictures Link to comment Share on other sites More sharing options...
TerranoNZ Posted May 15, 2008 Share Posted May 15, 2008 It matters-- transmission cooler is supposed to be in series after the existing transmission cooler below the rad. So you need to know which line is flowing out from the tranny and which line flows back to the tranny. I can check by running the engine with the lines disconnected but it someone knows which is which it means its less messy for my garage.... Thanks Jeff Funny...Most of the members I've seen have ditched the OE cooler and just run the aftermarket one...Maybe just a WD thing. Link to comment Share on other sites More sharing options...
csutke Posted May 17, 2008 Share Posted May 17, 2008 yeah the point of an other cooler is to bypass the stock cooler as they become clogged over time, so running it in line does no good, as it will eventually become clogged as well. Link to comment Share on other sites More sharing options...
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