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automatic trans problem

Posted By: 1980volare

automatic trans problem - 03/24/11 03:32 PM

just installed my new engine and transmission. now the problems. in netural it will rev, but if i rev it up to like 2000 it will lurch forward, and also in reverse sometimes the car will stop,(almost like its put into park. im using a b&m quicksilver shifter that work flawlessly with my old setup. if i shift manually 1st gear works, second revs to 3000 and tries to accelerate, and in drive it seems to go 1st then seems to skip 2nd and hits 3rd.


was told the transmission worked fine(but we all know how that goes)


havent changed the filter could that effect it?


any suggestions?
Posted By: dOoC

Re: automatic trans problem - 03/24/11 03:37 PM

Sounds like the shifter is out-of adjustment
Posted By: 1980volare

Re: automatic trans problem - 03/24/11 03:42 PM

disconnected the linkage and put it in neutral by hand. does the same thing.
Posted By: dOoC

Re: automatic trans problem - 03/24/11 03:50 PM

Do you have solid valve-body shift-lever detent ?
Posted By: 1980volare

Re: automatic trans problem - 03/24/11 03:53 PM

not sure .not even sure what that is. care to elaborate? as far as i know its a stock 904
Posted By: dOoC

Re: automatic trans problem - 03/24/11 04:01 PM

With the shift cable off .... can you feel the shift lever solidly going into "gear" ?
Posted By: 1980volare

Re: automatic trans problem - 03/24/11 04:06 PM

yes i can. could this be a od tranny and not like the 3 speed shifter?
Posted By: dOoC

Re: automatic trans problem - 03/24/11 04:17 PM

Quote:

yes i can. could this be a od tranny and not like the 3 speed shifter?




what year did this person say the trans was ?

It is beginning to sound like your FIRST suggestion ...

was told the transmission worked fine(but we all know how that goes) ....
Posted By: 1980volare

Re: automatic trans problem - 03/24/11 04:20 PM

came out of a 79 volare roadrunner,318.

Posted By: dOoC

Re: automatic trans problem - 03/24/11 04:23 PM

It could be a LU converter but not a OD. I would say pull the pan and check for junk in the pan and then see if the valve body is bolted-up tight to the case.
Posted By: John_Kunkel

Re: automatic trans problem - 03/24/11 07:07 PM


I think you have two separate problems, the creeping forward in Neutral and lockup in Reverse is caused by a rear clutch that's too tight or sticking.

The other problem is in the kickdown band or servo, try a simple adjustment.
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