I bought a Suncoast full out race tranny and had it installed and when I'm drivin down the hroad it will pop in/out of 4th gear what's the deal?

 

Does it pop in and out of OD or does it go in and out of TC lockup?
If it's lockup then you have possibly an issue with electrical noise on the TPS input on the PCM- DTT offers a noise filter.
If it's the 3-4 stuff I'd ask the vendor for support.
HTH

AlpineRAM

 

it's torque converter lockup

 

There's an easy fix for that. Do a search here for Torque Converter lock-up. There's a small electrical doo-dad (that's the technical term, I'm having a senior moment) that you attach to two wires coming out of the ECM. I had that problem, this part fixed it right up. I ordered mine from DTT, cost about $40.00 American.

If you can't find the information you need, PM me, I think I still have the directions from DTT in my truck file, and I'll e-mail it to you.

DeWain

 

This should help you out.

APPS/TPS fix

 

Thanks guys

 

Just wondering: What did Suncoast say ?

 

haven't talk to them yet I'm tryin to solve this problem if I can. B/c they'll prolly tell me a bunch of BS

 

It never hurts to ask.

 

I'm gonna take it to the dealer get that sensor checked out if that doesn't work I'm takin back to David at Diesel Innovations he said if it's broke he'd call soncoast

 

Doesn't sound like alot of conifdence in their product

I'd be willing to bet they'd say the same thing people here have said...

 

Eskimo:
I dont follow you. Sorry to sound dumb, I am missing it here. Is Suncoast the issue or the folks that sold it ?

 

I had the same issue after i had my ATS installed , called Clint at ATS and he sent me the part (free) and i installed it (about a 20 minute job) ,

 

Was kind of part was it?

 

It's a noise filter- goes between the APPS signal wire from ECM to PCM and ground- will eat up the voltage spikes cased by the alternator and oeehr stuff in the electrical system.
Some are just capacitors others are a little more sohisticated.
Look for noise filter under http://www.dieseltrans.com/dodge/price_list.htm (There are others that sell that stuff too)
I strongly recommend soldering the connectors of the noise filter to the wiring in the truck!

AlpineRAM