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-   -   trouble shooting (http://www.hotrodders.com/forum/trouble-shooting-42319.html)

68bird 06-25-2004 09:23 PM

trouble shooting
 
Hey there guys.
Iím just wondering if I could get some help, heres the situation. I recently put a newer engine and transmission in my firebird. The engine I put in was a 305 with (what Iím told anyways a turbo 400 transmission). There were some problems with the carb so I reasently replaced the old quadrajet with a brand new edelbrock 650cfm and the intake manifold with a band new edelbrock manifold. This was my first time doing this kind of work. I followed the instructions with everything and hooked up all the vaccuum lines just like before but now the tranny doesnít shift god at all. I was told to make sure the vacuum line was hooked up but I canít find one on the transmission is it possible that there isnít one? Because I donít remember unhooking one.

Thanks Mike:confused:

BOBCRMAN@aol.com 06-25-2004 09:29 PM

You need to run a vac line to the Vac modulator on the trans. On a 400 it will stick out like a small can near the belhousing on the passenger side. If the trans is a 350, the modulator will be on the same side but back at the rear next to the tail shaft.

68bird 06-25-2004 09:32 PM

I jaked the car up today and looked for one and I can't for the life of me find where to hook up the vacuum line. I looked at the on intakemanifold and the vacuume line in that where you hook the tranny to was closed off. so i don't think it was hooked up before. And it shifed great before. :confused:

68bird 06-26-2004 11:00 AM

after more investigation I found out that I have a th 700 r4 there is no vaccuum modulator on the transmission. But I still have the same problem with shifting, it won't shift out of 1st . and it feels very sluggish untill the engine reaches 4000 rpm. anyone know why this might be?

thanks

super69chevelle 06-11-2006 10:23 AM

adjust the kick down cable
 
your kick down might be your problem.

Classix_Lover 06-11-2006 10:28 AM

The problem is that this thread is verrry old.. :sweat:

Crosley 06-11-2006 10:48 AM

Quote:

Originally Posted by super69chevelle
your kick down might be your problem.


this thread is 2 years old.

the 700r4 does not have a kick down cable. There is a TV cable.

If the TV cable is not set properly the trans can go into "fail safe" mode... then the 700 tranny will shift late as if the throttle is WOT.

I have closed this thread since it is 2 yrs old.

thx

:D


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