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Old 05-05-2011, 01:44 PM
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1975 Chevy 4x4 transmission

I have 1975 chevy 4x4 truck. The transmission has quit working and I need to pull it out to get it rebuilt. My question is which is the most easy way to do this. Do I need to remove the entire transfer case with transmission or do I need to separate it from the transmission while in the truck. I have never pulled the transmission out of a Chevy 4x4 truck ----- someone out there I know can help me.

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Old 05-05-2011, 02:25 PM
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Depends what equipment you have....If you have a large floor jack, I would drop the whole unit (trans and transfer case), then take it apart on the floor.....Its heavy....just the trans or transfer case alone is heavy.

Trouble with dropping the transfer case alone is there is really no flat surface to put a jack under.....Either way, have lots of help available
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Old 05-05-2011, 08:24 PM
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I was hoping it might be easier to just drop the transmission and leave the transfer case in place -- but I dont even know if you can do that. Since I have a transmission jack do you think I can to do this by myself.
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Old 05-05-2011, 08:48 PM
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The crossmember is connected to the adapter that is between the trans and transfer.
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Old 05-05-2011, 10:15 PM
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I did it years ago a blazer. I used 2 floor jacks one under tranny and one under tcase.
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Old 05-05-2011, 10:42 PM
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It is an awkward and ungainly chunk of iron to wrestle around. I have done dozens of them over the years and there just isn't a good way. I have split the T-case and done it all in one chunk and either way it's hard to balance. I did a TH400/NP203(heavy) in my 78 once by using a cherry picker through the door and motorcycle straps around the tranny/T-case. That actually didn't work too bad.
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Old 05-05-2011, 11:54 PM
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Quote:
Originally Posted by willowbilly3
It is an awkward and ungainly chunk of iron to wrestle around. I have done dozens of them over the years and there just isn't a good way. I have split the T-case and done it all in one chunk and either way it's hard to balance. I did a TH400/NP203(heavy) in my 78 once by using a cherry picker through the door and motorcycle straps around the tranny/T-case. That actually didn't work too bad.
Exactly how I've done it. We pulled the mat flooring and there was a removable panel covering the hump. I have yet to find a way to balance the tranny and transfer as they always want to roll sideways. Definately a two man job. Last guy I know that had it done (R&R) cost him over 600 bucks.
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Old 05-06-2011, 10:11 PM
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I think I may try the engine hoist and straps through the door -- thats sounds like the best idea I have heard yet. Thanks I knew there were some folk out there that had some good ideas thanks again
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Old 05-07-2011, 04:24 AM
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I just did this today, have done quite a few

Pulled them both a few weeks ago, together as a unit. It's ungainly either way, so might as well only do it once and pull them together. It's no different than pulling a transmission by itself, you just have more linkage to disconnect

Use your tranny jack, air down your tires, put some 4x4's between jack and trans, and use a ratchet strap to cinch it to the jack. Get another guy to help you stab it onto the dowels and run a couple bell bolts while one applies pressure (usually with your feet from the back is the best, lol) It's the easiest way I've found. Keep it low and tie it down.
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