Th400 Won't Go Into Reverse
Th400 Won't Go Into Reverse I am having problems getting my TH400 to go into reverse. It acts like it is in neutral instead. This transmission is new and just tried it out for the first time today. Park, 1st, and neutral are ok.
Any ideas?
Any ideas?
Originally Posted by badass 2002 z28
if it's got a trans brake...u have to put the car in neutral and hit the trans brake button to go into reverse
I'm such a newbie to transbrakes...
Banned
Joined: Jun 2005
Posts: 199
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in order to engage the reverse ratio in a th400 the valve body must send oil and apply the direct clutch and the rear band.if the vehicle has third gear then it is safe to assume the direct clutch is functional.now if the rear band isnt applying you will have no engine braking in manual low first gear.if there is no engine braking suspect a rear servo stuck or band apply pin length that is too short.what valve body do you have?
hehehehe, I had to ask the same Question after I installed my TH350 w/ Brake. I bought it used and had no idea ya had to have the Tbrake button pushed. Dont worry man, newb questions are better than ignorant guesses where **** gets broke becuz someone couldnt set the "manhood" aside and ask a question.
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I guess not all of them do that.
My Rossler TH400 has a transbrake and I don,t have it hooked up right now (keeps me from being tempted while on the stock 10 bolt)
I have all gears and reverse too.
I have a reverse manaul valve body though.
My Rossler TH400 has a transbrake and I don,t have it hooked up right now (keeps me from being tempted while on the stock 10 bolt)
I have all gears and reverse too.
I have a reverse manaul valve body though.
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Joined: Feb 2018
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Turbo 400 3l80 lost reverse after spinng out in reverse. When i drive it i t drives fine but now it wont slow down by itself like it used to either.
I wasnt hard on it at all and it worked fine before i pluged that hanging wire back to it so i unplugged again and still no reverse.
Will some please tell me what is wrong with truck.
Please dont say its a chevy, youll really hurt this girls feelings.
TECH Junkie
Joined: Jul 2015
Posts: 3,012
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hey guys found a wire unplugged from my transmision so i hooked back up. Then got my truck stuck. Had to spin out backwards to get out. Next mourning it wouldnt go no were in reverse. Makes no sound just nothing.
When i drive it i t drives fine but now it wont slow down by itself like it used to either.
I wasnt hard on it at all and it worked fine before i pluged that hanging wire back to it so i unplugged again and still no reverse.
Will some please tell me what is wrong with truck.
Please dont say its a chevy, youll really hurt this girls feelings.
When i drive it i t drives fine but now it wont slow down by itself like it used to either.
I wasnt hard on it at all and it worked fine before i pluged that hanging wire back to it so i unplugged again and still no reverse.
Will some please tell me what is wrong with truck.
Please dont say its a chevy, youll really hurt this girls feelings.
Registered User
Joined: Feb 2018
Posts: 2
Likes: 0
Hey Game ova [QUOTE=Game ova;19825062]Either you cooked the band.... or the direct clutch. Those two are what makes reverse. But by you saying it won't slow compression brake anymore confuses me. ....as I'm not aware of any t brake equipped tranny to compression brake.[/
Hey i ment it use to slow down by itself when id let of the gas, now i have to use the brake to slow it down alittle bit before stopping all the way.
