HELP PLEASE

[Dan92Z]

hey guys i was driving yesterday and my Auto 4 spd tranny in my 92 Z doesnt downshift.. i have a B&M megashifter in it and going from OD to D it doesnt downshift so i tried D to 2 nothing.. same from 2 to 1 nothing.. DOES not downshift.. yet if i stop put er in 1st it stays in first but then if i left off the throttle at like 4000 rpm the rpms just drop.. not gradually like the motor actually does.. its like its falling into nuetral or something..

any help?!!!

[iroc22]

Well the dropping RPM is a little strange, however I had a similar problem with a TH350 before and it was the shifter linkage that broke and it only worked for park and neutral. All the rest of the selections were incorrectly corresponded on the shifter bezel.

How long has it been acting like this?

[Dan92Z]

1 day

[Jinks]

if your cable fell off or broke on a 700-r4 DONT DRIVE IT until you fix it.. you could burn out your tranny in a day or two.

[Dan92Z]

the cable? but if i put my megashifter in 1st then it stays in 1st untill i shift it thats why i wonder

[79 Z28]

hes not talking about your shifter cable, hes talking about your T.V. cable, its kinda like what a kickdown cable is to a turbo hydromatic tranny, it senda a signal to the tranny through throttle position and tells the tranny what to do for certian operations, its very important thats hooked up or the tranny does bad things to itself :-\

[IROCNParts]

hes not talking about your shifter cable, hes talking about your T.V. cable, its kinda like what a kickdown cable is to a turbo hydromatic tranny, it senda a signal to the tranny through throttle position and tells the tranny what to do for certian operations, its very important thats hooked up or the tranny does bad things to itself :-\


this cable also CONTROLS FLUID PRESSURE, that is why if its too tight it will not provide enuf fluid to the clutch packs and burn them out
I did this 2x because I wanted it to shift earlier
oh well

[Dan92Z]

oooh.. im gonna phone my tranny shop right now.. thanks guys.. how would this have happend? to much tranny fluid maybe?

[IROCNParts]

oooh.. im gonna phone my tranny shop right now.. thanks guys.. how would this have happend? to much tranny fluid maybe?


im thinkin ure cable came loose,. happened to me.. the shifter one... if u burnt the clutches u would always have first gear... but it sounds like ure shifter linkage is messed.. it happens I ahve same shifter

[Dan92Z]

ya man some guy at a trusted tranny shop said it could be the electroids or some shit.. like electronic shit, its just annoying because when i come outa OD to D i like it to help slow me down ya know.. it sucks because it just drops down to idle...

[iroc22]

ya man some guy at a trusted tranny shop said it could be the electroids or some shit.. like electronic shit, its just annoying because when i come outa OD to D i like it to help slow me down ya know.. it sucks because it just drops down to idle...


You should let him know that you have the TH700-R4 not the 4L60-E. If I'm not mistaken, the only thing electronically controlled on your tranny should be the speedometer. Please someone correct me if I am wrong.

[Dan92Z]

oh shit.. ya i didnt tell him that he just assumed.. shit