700r4 no 4th gear

Chevy_2_low · Sep 21, 2018

So im back again after my rebuild and im having this my transmission has 1st, 2nd, and 3rd gear but it wont shift into 4th and this is all in OD but when I downshift to D it will act as if it has downshifted from 4th to 3rd, its extreamly confusing. Also it seems to be late shifting from 1-2 at about 20mph now ive done rebuilds b4 and the 1-2 ahift is usually around 15mph ( I say mph because i have no rpm gauge) any way im stumped on what could bebcausing this ive thought to myself maybe the governor or improper tv cable adjustment??? Any help on thia would be greatly appreciated

Supercharged111 · Sep 23, 2018

I broke the case around the servo on mine and lost 4th only.

Chevy_2_low · Sep 23, 2018

Supercharged111 said:
I broke the case around the servo on mine and lost 4th only.

I'll check that but I doubt that's it

Supercharged111 · Sep 23, 2018

Chevy_2_low said:
I'll check that but I doubt that's it

I guess I should have expanded on that a bit. What that caused was that the servo couldn't stroke all the way. If you remove your servo you may find that your pin has been eaten like I discovered mine was when I did the shift kit on it.

You must be registered for see images attach

Chevy_2_low · Sep 23, 2018

Oh damn! Yeah thats a much better explination, wheb you said broke did you mean the bore got all wonkey and the servo could nt travel? And did you end up having to get a new case?

Supercharged111 · Sep 23, 2018

2 separate things. My TCC began to slip so I installed a shift kit and PWM delete. Later on, I broke half of the ring off of the case that holds the servo cover in. This let the servo hang back a little too far and it was cockeyed in there so couldn't stroke all the way. That pic is from when I did the shift kit and the collar could only slide back and forth a little bit, the burrs kept it from going any farther. Not sure if that was an issue or not, but I smoothed it all down so nothing was binding. When the case broke I slapped a 4L80 in.

Chevy_2_low · Sep 23, 2018

Well b4 I pull it out again im going to get under the truck ans check it out

Supercharged111 · Sep 23, 2018

Chevy_2_low said:
Well b4 I pull it out again im going to get under the truck ans check it out

Servo pops right out the side. No need to drop the trans to investigate. You will need a new o ring to put it back in though. Definitely no guarantee anything is wrong in there, but it is easy to check.

Chevy_2_low · Sep 23, 2018

I got a ton of spare parts from bike a couple rebuilt I've done we're done like 5 or 6 so I got seals and **** one thing I didn't do is the scarf cut seals I didn't replace those because when the transmission took a dump it was still pretty low mileage so maybe that might be a problem to us I need to replace those seals

Chevy_2_low · Sep 24, 2018

So today i decided to drive my truck after some tv cable adjustments and 4th gear started working my only other issue is that when I floor it at lower speeds it seems to catch late but if I floor it over 45 am the gars catch and it goes, now im really damn confused

700r4 no 4th gear

Chevy_2_low

Newbie

Supercharged111

Truly Awesome

Chevy_2_low

Newbie

Supercharged111

Truly Awesome

Chevy_2_low

Newbie

Supercharged111

Truly Awesome

Chevy_2_low

Newbie

Supercharged111

Truly Awesome

Chevy_2_low

Newbie

Chevy_2_low

Newbie

Similar threads

Latest posts

Members online

Forum statistics

Share this page