Rebuilt trans issues

[detrailers]

Oy Friggin Vey

My recently rebuilt trans (less than 500 miles on it) developed an issue today. Stumbles between shifts and harsh shift into next gear. Does it 1-2 and 2-3 and I think 3-4

Checked fluid - full and unburnt - taking it to trans shop in the a.m. - any ideas??

[camelgrundle]

Hopefully 88grandmarc chimes in lol.

[88grandmarq]

assuming there are NO codes stored and all the pressures are correct, I would guess its a valve body issue.

[detrailers]

The for the responses... It might work out for the better. when I first had the transmission rebuilt I asked them to do the J mod and their response was “we don't really like to do anything that the Ford engineers didn't do“ I just read up on the JMod and discovered it was the brainchild of a Ford transmission engineer so if they have to pull the pan I'm going to ask them to do the J Mod. I've never liked the 2-3 soft as butter shift on the Panthers.

[88grandmarq]

The for the responses... It might work out for the better. when I first had the transmission rebuilt I asked them to do the J mod and their response was “we don't really like to do anything that the Ford engineers didn't do“ I just read up on the JMod and discovered it was the brainchild of a Ford transmission engineer so if they have to pull the pan I'm going to ask them to do the J Mod. I've never liked the 2-3 soft as butter shift on the Panthers.


Make sure there are no other problems first. Jmod wont fix any other mechanical problems.

Jmod only works, assuming everything is working correctly. I highly recommend installing the sonnax shift valves and installing the Superior tuff plate on the valve body.

http://www.sonnax.com/parts/2402 - OD regulator 76948-29K

http://www.sonnax.com/parts/2398 - pressure regulator 76948-09

http://www.sonnax.com/parts/2393- boost valve 76948-02K

superior Tuff plate K092

DO NOT remove any of the accumulator springs and drill hole #2 with 7/64" bit

drill hole #4 and #5 with .113-.115" for a firm 2-3 shift

[detrailers]

Thanks for the info.... I'm saving the above info on my tablet to show them in the a.m.

[detrailers]

Fixed. Shop said they "adjusted the lock up"
I am not transmission proficient but I just hope the problem doesn't come back and I hope the 10 or so miles I drove it with the shuddering between shifts didn't damage anything

[RF Overlord]

Fixed. Shop said they "adjusted the lock up"What? 88grandmarq get in here...

I hope the 10 or so miles I drove it with the shuddering between shifts didn't damage anythingProbably not...I've been in taxis that have shuddered like that for a long time.

Unless there's something else broken, in which case it probably still is...

[88grandmarq]

What? 88grandmarq get in here...
Probably not...I've been in taxis that have shuddered like that for a long time.

Unless there's something else broken, in which case it probably still is...


Not much I can recommend with out knowing exactly what happened and what the repair shop found wrong.

OP never mentioned shudder in his original post, all I can think of is they installed a Sonnax shift valve for the TCC bypass.

http://www.sonnax.com/parts/2394


Either way, glad the fixed the issue with out a lot of headache

[detrailers]

Not much I can recommend with out knowing exactly what happened and what the repair shop found wrong.

OP never mentioned shudder in his original post, all I can think of is they installed a Sonnax shift valve for the TCC bypass.

http://www.sonnax.com/parts/2394


Either way, glad the fixed the issue with out a lot of headache

yep, sorry for not describing it better....somewhere between a shudder and clunkclunkclunk between shifts