96 2500 trans problem, won't go over 35 mph
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96 2500 trans problem, won't go over 35 mph
Background, truck is entirely stock, no mods no upgrades. Trans was rebuilt at one point, truck now has 155k on it. 96 single cab 4x4 auto. Background on what happened... I was driving on the highway and heard grinding noises intermittently, figured I lost vacuum to the 4wd and it was trying to engage. Came rolling up to the first stop light into town and decided to put it in 4hi to get it to stop (pavement was wet) as soon as I did something started grinding, put the truck into nuetral and it stopped but lost all gears when I went back to drive/1/2/revers. 10 mins dead in the middle of the road after shiftING the transmission and transfer case I got it somehow back into drive. Truck will no longer go faster than 35mph. I replaced the 2 solnoids in the trans, new fluid, no fix. There was some metal in the drain pan. In drive the truck shifts from 1-2 and u can't really feel 3rd and 4th. Manually shifting from 1-2-D you can feel all 4 gears shift fine but still won't go over 35, truck high revs but with no slipping. From park to Rev or drive it drops in hard and the truck wants to jump, from drive to park with no hesitation in nuetral it will grind going into park. 4wd vacuum is good at 25 and diaphram is working correctly. So I'm thinking the Tranny is toast but wanted a few opinions before I replaced.
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Took a look at the tcase linkage, everything was tight and in working order. Put the truck back up on stands, while in drive, shifted the transfer case from 2 to 4 to n to 4l and back. Everything operated engaged and disengaged as normal. 1st gear the truck on the speedo goes around 10mph, 2nd gear 15-20, drive still 35 max. Put the truck back on the ground drove it up and down the driveway, tons of torque and no slipping...only 35mph. No codes on the engine light flash.