razrwild Posted January 3, 2007 Share Posted January 3, 2007 Hey and thanks in advance. Friend has an 86 MJ with the 2.8 and he's having trans problems. They aren't my field. What happens is he can drive it till it gets warm then the trans cuts out, if he shuts it off for a minute or two he can go another 100 feet maximum then it dies again. Any ideas what would cause this? The trans was rebuilt by a shop that messed it up somehow. Then rerebuilt by another shop that has done work for another friend in the past without problem. Just wanted to pick your brains to see if anyone would have an idea or has had a similar problem with solution. Link to comment Share on other sites More sharing options...
mike Posted January 3, 2007 Share Posted January 3, 2007 what kind of trans, auto or manual? if auto i bet the pump is worn out and when it gets hot it gets weak and lowers the pressure, but i'm not sure on that. i know if an auto has less fluid in it than full it'll cause problems, and if the fluid isn't clean it'll cause problems. i had a dakota with an auto tranny and that was the problem with that thing when i bought it, dirty fluid and it was way low. changed the fluid and filter and it ran almost like a new one, but the damage was already done and it eventually got rebuilt. Link to comment Share on other sites More sharing options...
razrwild Posted January 3, 2007 Author Share Posted January 3, 2007 sorry forgot to mention its an auto. I'm thinking its not the dirty fluid part since it was just rebuilt twice. Thanks for the input I'll have to look into that. He's saying he's thinking of selling for 600 obo so I listed it in pirate Link to comment Share on other sites More sharing options...
aemsee Posted January 3, 2007 Share Posted January 3, 2007 What do you mean by "dies"? Link to comment Share on other sites More sharing options...
razrwild Posted January 3, 2007 Author Share Posted January 3, 2007 the transmission disengages completely. Even if you shift gears it still doesn't give anything Link to comment Share on other sites More sharing options...
aemsee Posted January 3, 2007 Share Posted January 3, 2007 Does it quit while moving, or after he comes to a stop and tries to accelerate again? Is it 4x4 or 2wd? If 4wd, what t-case is in it? Link to comment Share on other sites More sharing options...
razrwild Posted January 3, 2007 Author Share Posted January 3, 2007 its 4wd and quits while moving. Not sure of the transfer case so whatever would have come in 86 with a 2.8 and auto trans Link to comment Share on other sites More sharing options...
ejndssn Posted January 4, 2007 Share Posted January 4, 2007 i would look into the torque converter or the tranny filter area i would suspect that the torque has bad in other vechicles but since the tranny is going to be worked on that where i would look Link to comment Share on other sites More sharing options...
fiscus Posted January 4, 2007 Share Posted January 4, 2007 If it's recently been rebuilt by 2 different shops, it should still be under warranty from somewhere... Link to comment Share on other sites More sharing options...
razrwild Posted January 4, 2007 Author Share Posted January 4, 2007 thing is that it was rebuilt by the second shop 2,000 miles ago but that 2,000 miles was about 2 years ago (was parked a while). The first shop that messed it up wouldn't honor the warranty for whatever reason. This used to belong to another friend of mine and he knows the details but I am a little hazy. Just trying to help out a friend. Link to comment Share on other sites More sharing options...
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