NissanNismoZ Posted February 22, 2012 Share Posted February 22, 2012 Okay, so this truck is leaking tranny fluid, but not bad. Can't determine where it's coming from. If I drive it like my Pathy, like drive it then let off for it to shift, it slips. Then shifts. If I drive it kinda hard or steady pedal, it shifts fine. Any ideas? Thanks. Link to comment Share on other sites More sharing options...
Tungsten Posted February 22, 2012 Share Posted February 22, 2012 most likely from the pan Link to comment Share on other sites More sharing options...
5523Pathfinder Posted February 22, 2012 Share Posted February 22, 2012 Well, if its slipping, its most likely low on fluid. If it has a leak, then thats why the fluid is low. Find the leak. I would look at the cooler lines at the bottom of the radiator. Check the fluid when the engine is up to temp. Fluid may be burnt also. Check smell and color. Link to comment Share on other sites More sharing options...
Towncivilian Posted February 23, 2012 Share Posted February 23, 2012 (edited) Check the drain plug too, maybe someone forgot to replace the crush washer if they did a drain & fill. The banjo bolts used for the cooler hard lines also have crush washers AFAIK, those might be leaking. The 2001 Xterra doesn't have a TSB similar to the 2001 R50 shift flare issue, so the culprit is most likely the fluid. Edited February 23, 2012 by Towncivilian Link to comment Share on other sites More sharing options...
NissanNismoZ Posted February 23, 2012 Author Share Posted February 23, 2012 It's wet above the transmission pan..but..cant locate where exactly its leaking at... Link to comment Share on other sites More sharing options...
Slartibartfast Posted February 23, 2012 Share Posted February 23, 2012 Clean it as well as you can, drive it around the block, then have another look at it. Should make it easier to trace the leak. Link to comment Share on other sites More sharing options...
NissanNismoZ Posted February 23, 2012 Author Share Posted February 23, 2012 Done..and guess what..no leaks?? All I did was try lucas oil and tightening all bolts, such as the bolts to the tranny pan, and the clamps for the transmission cooler.. But it shifts weird compared to Pathy..ok I'll describe. Driving normally, if I let up on the gas like coasting, it'll shift down almost immediately. Then driving along it'll shift up, and say around 70mph I'm at 4k rpm?? Any ideas? I'm questioning the TPS Link to comment Share on other sites More sharing options...
Towncivilian Posted February 23, 2012 Share Posted February 23, 2012 All I did was try lucas oil What's the fluid color and smell? Link to comment Share on other sites More sharing options...
nismothunder Posted February 24, 2012 Share Posted February 24, 2012 Lucas ATF is good shieet. It should firm them shifts right up. Link to comment Share on other sites More sharing options...
NissanNismoZ Posted February 24, 2012 Author Share Posted February 24, 2012 (edited) Alright, ran it for a while, it leaked more. Tracked it down to the gasket on the tranny oil pan.. Thanks guys! I told them about considering a new TPS Btw the fluid was bright red Edited February 24, 2012 by NissanNismoZ Link to comment Share on other sites More sharing options...
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