98 4x4 automatic tranny

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98 4x4 automatic tranny

Postby realjesus316 » Fri Feb 20, 2015 11:06 am

tranny on98 pathfinder quit moving dropped pan changed filter put in 5 quarts of fluid ,drove 130 miles home no problem get home it got down to 28 degrees started today put into gear started pulling went into drive on hwy started to slip should i chand fluid and filter again !!!

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    Postby disallow » Fri Feb 20, 2015 12:34 pm

    did you check the fluid level to see if you have a leak?

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    Postby smj999smj » Fri Feb 20, 2015 8:59 pm

    As you know, it's really not a "filter" but a screen. The thought that went into it is that if there is enough debris to clog the screen, then the trans needs an overhaul, not a service, because something is apparently breaking down. You can go through the process of checking for transmission codes. A stall speed and line pressure test would be better, but this requires oil pressure gauges. If the slippage occurs only when it's very cold, it could be just that the seals inside the trans have hardened. As they heat up, the become more pliable and seal better. The only real fix for this would be to remove, teardown and reseal the transmission or replace it. Sometimes a product like Trans-X will help soften the seals, but there's no guarantee that it will work nor how long it will last.

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