First of all this is my 5th BUILT 4L60E with this perticular builder, so if this isn't something that can just be switched out easily and I DO need another trans I am just going to save up for a Century 4L60E, or maybe a 4L80E swap.


Problem:

(at first) The car would not go in to gear, forward gear (just free-revs), unless you put the gear selector in 2nd gear. The it would have 1st and 2nd gear then you could up shift the car in to 3rd and 4th one gear at a time. But at anytime if you get in to the gas anything past 1/4 throttle the car free-revs.


(as of today) Went out side and started the car to let it run for a little while, so it's not just sitting there while I try to figure out what's wrong. Then decided to put the car in gear to see if it was still doing the same thing, and it was. Put the car in 2nd gear and slowly pressed the gas, it was fine, then gave an instant half throttle... tires broke loose and then I felt something "let go" or snap. So now at this point there is no forward gear, but reverse still works fine?


Any ideas? Input-shaft maybe? The trans fluid is still the correct color, no metal shavings on the dipstick, so I dunno.


Now before everyone starts saying that I am just an idiot for going to the same shop so many times let me give you a little back ground.


1st must have been a faulty kit because it started slipping the day I got it back, brought the car back and it was rebuilt for free.

2nd trans (free one, but not really haha) I straight up beat the crap out of.

3rd trans I sprayed the **** out of (no the mph in my sig is not w/spray). No window switch, just a WOT switch, sprayed through shifts and everything. That trans lasted a lot longer than I thought it would.

4th trans I was going out to dinner one night and "fell into" a drainage grate that looked lie this "V" it had no type of lighting around it so nobody could see it. Thing was about 3 feet long 2.5-3 feet wide and 1 foot deep. And my car is not stock ride hight:



So that resulted in a cracked casing, blah blah blah "fixed" the casing, worked for a little while and then no more.

5th trans (this one) I have no clue about becuse I didn't really do anything to this trans, it was never sprayed and never "abused."

Any ideas?

 

Woops... I knew we had a drivetrain section here... someone can lock this thread if they like.

 

yeah......whoever built your trans hates you because you have come back 5 times....that and the trans is poop

 

Don't know diddly about newer transmissions, but my old TH350 had similar issues and it was due to a crappy convertor that was coming apart and also my Sun gear was shot. IIRC, first and reverse spin in the opposite direction compared to the other gears. Mine wouldn't move when I put it in reverse at all with full throttle, but I could go forward with an awful grinding noise until it shifted into second and then it was fine. HTH

 

you could have a broken crank. no lie...my friend that works in a auto shop snapped his crank in the main seal. there was just enough of a rough surface that it would grip at idle rpms but any more and it would free spin.

lift the car, undo the motor mounts, lift the engine and pull the oil pan. remove the rear main bearing and loosen the others. pull the seal and check it out. now would also be a good time to pull the tranny and TC and get new ones. i;d go brand new alltogether because you've apparently had problems with this unit.

 

The car just had a brand new crank put in it all of 1K miles ago.

 

Just delete it yourself.