| The SOB bolt in the final drive [message #103997] |
Sun, 24 October 2010 11:29  |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Reference is not to Some Other Brand...
It is technically a Hex Head Cap Screw, but I have called this one lots of other things.
I got my trans and final drive down.
Several of you suggested that I take the FD and trans down separately. Nice thought.....
Someplace along the line somebody put screws in all the holes.
Look for the circle:
http://www.gmcmhphotos.com/photos/showphoto.php?photo=36486&title=extra-bolt-in-final-dr&cat=33
http://www.gmcmhphotos.com/photos/showphoto.php?photo=36487&title=extra-bolt-in-final-drive&cat=33
There is NO Fing Way to get that babe out of there. It will only get loose with a box wrench with the whole thing on the floor. (Yes, I tried all the extensions u-joints and floppy extensions and crowfeet and I even borrowed a crowfoot flare nut wrench from a friend and could not get the needed 1/24th of a turn to get it loose enough to do any good.
I asked Manny. Summary - leave it out. The hole was there and someone though it needed it.
It will be out and the trans and final drive will go back in as separate parts.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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| Re: [GMCnet] The SOB bolt in the final drive [message #104059 is a reply to message #103997] |
Sun, 24 October 2010 19:10  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Matt,
When I had to rebuild the engine and transmission before getting home with
it in '98 -- before I knew ANYTHING about GMC's, I put that bolt in.
Two years later Darryl Winterfeld was removing the FD preparatory to
removing the 425 to replace the cracked torque converter. He did not have
kind words for me when he found that bolt. And after I loaned him my
then-unusual GearWrench ratchet, he didn't want to let me leave with it. It
took only a few minutes to pull with that.
I've never installed another one.
Ken H.
On Sun, Oct 24, 2010 at 12:29 PM, Matt Colie <mcolie@chartermi.net> wrote:
>
>
> Reference is not to Some Other Brand...
> It is technically a Hex Head Cap Screw, but I have called this one lots of
> other things.
>
> I got my trans and final drive down.
>
> Several of you suggested that I take the FD and trans down separately.
> Nice thought.....
>
> Someplace along the line somebody put screws in all the holes.
> ...There is NO Fing Way to get that babe out of there. It will only get
> loose with a box wrench with the whole thing on the floor...
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: The SOB bolt in the final drive [message #104062 is a reply to message #104034] |
Sun, 24 October 2010 19:29 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Senior Member |
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| JShot wrote on Sun, 24 October 2010 16:40 |
| mcolie wrote on Sun, 24 October 2010 12:29 |
There is NO Fing Way to get that babe out of there.
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Matt,
When I did the FD, I took the LH wheel well liner out, then removed the LH exhaust manifold. Very easy to get to the bolt then - it came right out. All went back together in reverse - no problem.
Do you need me to come up there and do it for you? 
John
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I appreciate the offer John, but with the Trans and FD on the barn floor it is not much of a problem. The manifold is not the stopper, the crankcase is in the way. Unfortunately, with the flash where it is, the crankcase side is in the shadow of the exhaust manifold. I wondered why there is no reference to this fastener in the GMC manuals.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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