My fathers 92 nissan pickup will not go into 4th gear. He flooded the truck a week ago and we we're able to replace the computer and get the Engine running but the transmission is now slipping and he cant drive on the freeway because it raises to about 3,000 rpm's. we drained the transmission fluid out and it looked like strawberry shake. unable to get fluid out of torque converter so i can only assume water is still affecting the transmission. is it possible that the computer i pulled out of a 1995 nissan pickup is causing the transmission issues or do you think its safe to say he destroyed the transmission? Please HELP
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if 4th gear is the only gear not grinding then there is a problem in the counter shaft bearings in the box
in reality there is no 4th "gear" as it is a straight through connection of the input and out put shafts and there is no load placed on the counter shaft set bearings
This asian Car has no dipstick on transmission / gear box. Instead, it has two holes bottom and upper bolts. The lower bolt is the drain plug and the latter is filling bolt. How we know the filling level then? Just tighten your drain plug and fill it with gear oil until it going flooded a bit. Then tighten your filling plug.
absolutely. every maker like honda, nissan , toyota, have there specific tranny fluid to use because it does not over heat the tranny. dexron lll will hurt any japanese cars. i would check to which fluid they used and check with the dealer for the proper spec of oil.
Whining noise is worn gears or low on transmission fluid. It after reading your post, sorry to say but you were low on transmission fluid and your transmission needs to be replaced. You gear box has seized and every time you release the clutch even in neutral will kill your engine. The transmission shaft may have seized on the bearings in the transmission case, regardless you need a new or rebuilt transmission. Good luck friend and sorry for the bad news. Keep me posted.
your luck as with mine is not good. thought I had a bad bearing, after droping the tranny and seperating the housing, I have a broken counter shaft. after looking for another with no luck, the tranny shop informed me that was common for these transmissions. parts are expensive, to rebuild would cost aprox.$800.00 or more. the main cause is the front bearing is supported in alum. causing shaft to move which first takes out the bearing, then the strain snaps the shaft. taking out all gears except 4th and only moves while in 4 wheel drive.
i had a nissan pickup that would whine in all gears except 4th...it started out with 1st then reverse then went to the rest...solution was new transmission...or rebuild cause the syncronizers or the gears them selves are being chewed up...the new transmission was cheaper then a rebuild. or take it to somewhere that will do free diag on the transmission.