Guest deadrock Posted February 20, 2005 Share Posted February 20, 2005 In reading Nissan 3 tranny question some of you mentioned the tranny cooler going bad . I got the my Pathfinder from my sister and she had the tranny rebuilt at 75000 . its a 90 and now has 98000 How can i tell if the cooler on it will be ok and would it be difficult to replace it thanks Link to comment Share on other sites More sharing options...
94extreme Posted February 20, 2005 Share Posted February 20, 2005 if the tranny was rebuilt the aftermarket cooler might have been installed then... look around... the stock cooler is part of the radiator and it sucks and definately need the aftermarket one... search around this forum (garage parhaps) there is plenty on this topic that should answer all your questions... good luck Link to comment Share on other sites More sharing options...
88pathoffroad Posted February 20, 2005 Share Posted February 20, 2005 The stock cooler should be bypassed completely and replaced with an aftermarket cooler for best performance, etc. Link to comment Share on other sites More sharing options...
lgranch Posted February 21, 2005 Share Posted February 21, 2005 I agree that the stock tranny cooler needs to have an aftermarket cooler added. However if you live in cold climate leaving the stock cooler in place can have a benefit. It will warm the tranny fluid faster an allow for smoother shifts while the truck is cold. One way to avoid this is synthetic tranny fluid. If you live in an area that seldom goes below 10 F then I agree bypass the stock cooler completely. Link to comment Share on other sites More sharing options...
88pathoffroad Posted February 22, 2005 Share Posted February 22, 2005 Leaving the stock cooler in use period is a hazard. Warming up the fluid is a small benefit to quote if your tranny dies from overheating cause you're still using the clogged-up stock cooler. Link to comment Share on other sites More sharing options...
edta1 Posted February 22, 2005 Share Posted February 22, 2005 The stock cooler should be bypassed completely and replaced with an aftermarket cooler for best performance, etc. Does the stock tranny cooler suck for all cars of all makes and models? Link to comment Share on other sites More sharing options...
88pathoffroad Posted February 23, 2005 Share Posted February 23, 2005 No. Just on this one... Link to comment Share on other sites More sharing options...
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