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

tc removal help

Old May 28, 2007 | 12:57 PM
  #1  
slowfast's Avatar
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Joined: Sep 2005
Posts: 717
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From: Edison nj.
Car: 84 firebird
Engine: 400 sbc
Transmission: th350
Axle/Gears: 3.08
tc removal help

Hey guys, i need some help, Im trying to pull my engine and just my engine, I want to use the 700r4 thats in the car.. I got one t/c bolt off, I went to get the other one, and the tc would just spin till the bolt was unable to be reached leaving the other bolt i couldnt get to, So i tried smokingss's plan, to use the crank bolt, i did that and the tc would move, but then when i went to the bolt it would do that again, finally as i was under the car and my buddy spinning the crank bolt, the crank bolt snapped. I tried moving the flexplate with a screw driver, it would work for a bit, but then it would stop, thats the samething when i turned the motor by hand, the tc/flexplate would move a tad, a tad a tad, then stop stop then a little more..how do i get this to come off, am I going to need to pull the trans out? will i ever be able to use the trans again? :rofl:
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Old May 28, 2007 | 01:08 PM
  #2  
Viprklr's Avatar
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From: N. Illinois
Car: 92 GTA/ 00 TA
Engine: 383/350
Transmission: 700R4/T-56
Re: tc removal help

Since you snapped the crank bolt you can still use the alternator pulley bolt to spin the engine over. This is a better choice anyway.
Make sure all your spark plugs are out. This way you don't build compression which'll make it a lot easier to turn the engine without snapping bolts.
Once you get access to your flexplate bolt, just wedge a screwdriver through one of the holes in the flexplate. It'll still turn but the engine or bellhousing will stop the turning once the screwdriver makes it there.
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Old May 28, 2007 | 01:16 PM
  #3  
1989formula355's Avatar
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From: haverhill MA
Car: 89 formula, 89 Cadillac Brougham
Engine: 355,HSR,patriot alum. heads,TFS cam
Transmission: 700r4, 2500 B&M stall, shift kit
Axle/Gears: 3.73 ten bolt, powertrax locker
Re: tc removal help

the motor that your pulling out is destroyed i assume, and a rod or chunk of rotating assembly is binding up making it impossible to turn the motor over/get to the converter bolts, correct?
in this situation your best bet is to pull the motor/trans together. then separate them on the floor. then you'll be able to get the other converter bolts.
prolly not what you wanted to hear, but if you can't get to the bolts you can't get to the bolts! there's plenty of room in the engine bay to pull the whole sha-bang out as one so get a buddy and good luck.
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Old May 28, 2007 | 03:57 PM
  #4  
slowfast's Avatar
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Joined: Sep 2005
Posts: 717
Likes: 4
From: Edison nj.
Car: 84 firebird
Engine: 400 sbc
Transmission: th350
Axle/Gears: 3.08
Re: tc removal help

What do I have to remove to take the trans out with the motor?
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Old May 28, 2007 | 04:08 PM
  #5  
firebirdjosh's Avatar
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From: Worcester, MA
Car: 86 T/A
Engine: HSR 355
Transmission: 700R4
Axle/Gears: 2.77 posi
Re: tc removal help

Disconnect all wires.
Remove transmission crossmember.
Remove motor mount bolts.

That's all you really need to do. You'll have to remove the radiator for clearance. Pulling the driveshaft and starter may make it easier, some even remove the front accessories and distributor.
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Old May 28, 2007 | 07:16 PM
  #6  
slowfast's Avatar
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From: Edison nj.
Car: 84 firebird
Engine: 400 sbc
Transmission: th350
Axle/Gears: 3.08
Re: tc removal help

Im there! I just gotta remove the tranny cross member, are you sure I dont have to remove the drive shaft? I got 2 of the bolts out, and i cant get to the top 2
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Old May 29, 2007 | 07:33 AM
  #7  
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From: N. Illinois
Car: 92 GTA/ 00 TA
Engine: 383/350
Transmission: 700R4/T-56
Re: tc removal help

You will have to pull the DS. Just turn the DS over by hand to get to the other two bolts. You'll have to jack up the rear if you haven't already done so.
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Old Jun 21, 2007 | 09:38 PM
  #8  
slowfast's Avatar
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From: Edison nj.
Car: 84 firebird
Engine: 400 sbc
Transmission: th350
Axle/Gears: 3.08
Re: tc removal help

The engine is out. so is the trans, Now the only thing is, I cant get the 3 TC bolts off the th350/400 so i can put it on a stand and do work!
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