Transmissions and Drivetrain Need help with your trans? Problems with your axle?

trouble replacing torque arm mount bushing

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Old May 6, 2005 | 04:26 PM
  #1  
TraviZ's Avatar
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
trouble replacing torque arm mount bushing

i cant get the top bolt of the bracket all the way out. i removed the nut but i cant slide it all the way. the bolt hits the tranny tunnel. whats the secret to this?
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Old May 6, 2005 | 04:44 PM
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91Z28-350's Avatar
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Drop the x-member and tilt the tranny down.
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Old May 6, 2005 | 07:02 PM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
i did that but the bolt is no where close to clearing the tunnel for removal.
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Old May 6, 2005 | 07:08 PM
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From: michigan
Car: 85 z28
Engine: 327
Transmission: th350
Axle/Gears: ford 9in 4:56 to 1
are you taking the mount off the tranny?
To change the bushings you only have to take out the two small bolts on the bottom out, the bracket will then pivot up like a hinge,then change bushings and put two bolts back in
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Old May 6, 2005 | 11:24 PM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
i had to buy the ES bushing which requires removal and drilling out the rivets and placing this new one peice bushing in.
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Old May 10, 2005 | 01:38 PM
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From: Fort Lauderdale, FL
Car: 91 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 2.73 Posi w/Disc
Here's a site I fond through TGO:

http://pg.photos.yahoo.com/ph/tarami...er72/my_photos

Go about 3/4 to the bottom & there's pics of the Torque Arm Mount replacement. Hope it helps.
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Old May 13, 2005 | 11:39 PM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
he dosnt explain how he removed the mount from the transmission. that is my problem
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Old May 14, 2005 | 08:37 AM
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From: Charlestown, IN
Car: 1971 Camaro
Engine: 427
Transmission: TKO600
Axle/Gears: 3.73
I unbolted the crossmember and the tail of the tranny droped enough for me to get the bolt out. I had my driveshaft out at the same time to put new u joints it, so this may have helped the tail drop more. Just be careful as you will lose fluid out the tailshaft of the tranny.
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Old May 14, 2005 | 11:01 AM
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Paul D. '87 IROC 350 TPI's Avatar
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From: Durham, NC U.S.A.
Car: '87 IROC
Engine: 350 TPI
Transmission: 700-R4
Have a quart-sized ziplock bag (preferably a freezer bag - they're thicker) and some heavy-duty rubber bands on hand before you pull the driveshaft yoke out of the tail of the trans. As soon as you pull the 'shaft, put the bag over the tail of the tranny & secure it tightly with the rubber bands.

This helps keep the "bleeding" to a minimum, and helps prevent your shop floor/driveway from looking like there's been a recent murder...
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Old May 14, 2005 | 11:18 PM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
i didnt pull my driveshaft. that may help. ill try that next time i get around to it thanks
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Old May 17, 2005 | 08:32 PM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Originally posted by Johnny Blaze
I unbolted the crossmember and the tail of the tranny droped enough for me to get the bolt out. I had my driveshaft out at the same time to put new u joints it, so this may have helped the tail drop more.
And if the tq. arm & driveshaft are out, the tailhousing is easy to remove & get that bolt out.
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Old May 17, 2005 | 10:50 PM
  #12  
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
anything bad or careful i gotta watch out for if i remove the tailhousing?
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Old May 17, 2005 | 10:58 PM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Just pull the VSS or speedo driven gear & sleeve before you do. Nothin' to it.
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Old May 17, 2005 | 11:21 PM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
thanks. i never pulled that aprt and it seems way easier. how much oil should i expect to lose?
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Old May 26, 2005 | 09:01 PM
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From: Fort Lauderdale, FL
Car: 91 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 2.73 Posi w/Disc
How goes it? I did mine a few days ago and unbolting the transmission crossmember was all I needed, but I had the rear end out @ the time, so the driveshaft did not pose a problem.
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Old May 27, 2005 | 03:30 PM
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
well i removed the driveshaft and crossmember and it still doesnt drop nearly low enough. i think the bolt was put in the wrong way because it needs to slide out the drivers side. if it was to slide out the passenger side, it would come out no problem. i guess ill take it to a shop and have them charge me like 200 bux to do it.
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Old May 27, 2005 | 03:54 PM
  #17  
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From: Fort Lauderdale, FL
Car: 91 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 2.73 Posi w/Disc
On mine, there were thre bolts total:

Two at the bottom of the mount which both pulled out toward the driver's side (one of them is permanently attached to the mount)

One at the top which pulled out toward the passenger's side.

For the one at the top, I removed the nut on the driver's side and all was cool. Then I pulled removed the nuts on the two lower bolts, dropped the transmission crossmember as far as it would fall by gravity (used a jack to gently lower it) and everything came out without a problem. Note that I'm probably running the original engine mounts, so that probably helped with dropping the transmission a bit more than it should.

I had the torque arm removed and the rear end of the driveshaft was disconnected, but was still attached @ the transmission.
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Old May 27, 2005 | 03:58 PM
  #18  
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
ya my problem is the upper bolt wants to slide out towards drivers side just like the lower ones and i cant pull it out all the way. i guess i can take a hacksaw to it and just go buy a new bolt? but im tired of screwing with it.
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Old May 27, 2005 | 04:01 PM
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From: Charlestown, IN
Car: 1971 Camaro
Engine: 427
Transmission: TKO600
Axle/Gears: 3.73
Like I said, if you drop the tail of the tranny down a bit, it will come out.

I did this without removing the tailshaft from the tranny. Just unbolt the tranny cross member, and lower it down with your jack.
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Old May 27, 2005 | 05:59 PM
  #20  
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From: Fort Lauderdale, FL
Car: 91 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 2.73 Posi w/Disc
If you drop it far enough, it will come out, but it does sound like someone in the past changed the torque arm bushing with the tranny out of the car. That top bolt isn't too easy to get out if it's facing the wrong direction. I'd caution against cutting it out because you will have to replace it. If you don't, you increase the chance of breaking the transmission tail. I guess you can either try pulling down on the transmission decently hard or pull the entire tail, but you'll have fluid everywhere. Whatever you do, try to get that bolt in the right way when you reassemble.

As an aside -- you could get a dremel with a grinding attachment and actually remove the old rubber with the mount still bolted in place. I'm not real sure if it would work, but from what I remember it should be possible, but not easy.
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Old May 27, 2005 | 06:05 PM
  #21  
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From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
You might get enough extra pivot by jacking up under the front of engine - maybe jacking up under the balancer? I dunno - just a thought.
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Old May 27, 2005 | 06:25 PM
  #22  
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From: Woodland, CA
Car: '02 Z06
Engine: L33 5.7
Transmission: T56
Axle/Gears: Stock IRS
in response to johnny blaze, i did remove the crossmember.. i did remove the driveshaft and it does not drop low enough at all. i need another good 3" down to pull that sucker out. ill take a hack saw to it and just get a new bolt when the old one comes out.
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