Banging noise from drivetrain
Thread Starter
Intermediate
Joined: Jan 2007
Posts: 36
Likes: 0
From: paducah KY
Banging noise from drivetrain
I have a 75 just had the transmission rebult with a shift kit put in (400 turbo) when I put in reverse I hear a banging noise when I put in drive noise is still there but not as loud.When under way car drives fine no noise or vibrate.But I did notice when I put in gear the car squats & raises more with new trans.p.s. rear end is topped off with new fluid & 1/2 shafts fill tight.Thanks scott
Thread Starter
Intermediate
Joined: Jan 2007
Posts: 36
Likes: 0
From: paducah KY
On order has arrived
Thanks I was hopeing someone would say that,I'm gone 3 weeks at a time will be home Tues have new ones there now.I been 
it was not the rear end just started at once car has not been ragged
it was not the rear end just started at once car has not been ragged
Racer
Joined: Nov 2007
Posts: 320
Likes: 0
From: Upstate New York
I have a 75 just had the transmission rebult with a shift kit put in (400 turbo) when I put in reverse I hear a banging noise when I put in drive noise is still there but not as loud.When under way car drives fine no noise or vibrate.But I did notice when I put in gear the car squats & raises more with new trans.p.s. rear end is topped off with new fluid & 1/2 shafts fill tight.Thanks scott
Tech Contributor
Joined: Aug 1999
Posts: 15,175
Likes: 3,990
From: Connecticut, USA
The banging at low idle could be the improvement to the TH400. I rebuilt my 400 and set it up to the street/strip mods. The added pressures cause a bang noise when I let the car slowly drive and shift in idle, like in a parking lot. Normal driving and it's fine. This may be your noise? Posi hammering will usually show up starting up from a corner, when the clutches won't slip enough and hammer. I can fix that too but you have to pull the posi case.
