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[GMCnet] Tranny & final drive problem [message #167002]

Fri, 20 April 2012 17:57

emerystora

Messages: 4442
Registered: January 2004

Karma: 13

Senior Member

Those of you that went to the GMCMI convention know that I had a transmission problem and was only about 40 miles east of Denver when I had "no go". I was towed back to Longmont and left the GMC at Sonny's Garage in Longmont.

We unpacked and repacked into our car and went to Shawnee and stayed for 13 nights there in a motel. We were part of the advance crew so were there almost two weeks.

After returning back to Colorado, Stan Edwards and Richard Smith helped me pull the final drive and the transmission

The final drive lost its input bearing and some other internal damage. The switch pitch transmission has a sheared output shaft about 2" in from the connection to the final drive and some other internal damage. That shaft is probably about 1" in diameter and I have never heard of that happening before.

My good friend, Bill Bramlett, is rebuilding my transmission using parts from a junkyard tranny that I purchased.

Jim Kanomata of Applied GMC has graciously shipped me another 3.55 final drive at no charge under his great warranty program. One couldn't ask for a better supplier than Jim. I don't think any other supplier would do that for a few years old final drive.

Unfortunately I won't be back in Colorado for a few weeks to reinstall things. We are in Santa Fe trying to get some things done on our house so we can get it listed with a realtor.

I am slowed done a bit right now as I have just been diagnosed with pneumonia and it may take a couple of weeks for me to recover.

Emery Stora
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Re: [GMCnet] Tranny & final drive problem [message #167003 is a reply to message #167002]

Fri, 20 April 2012 18:12

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma: 6

Senior Member

Emery,

Take it EASY don't wind up in the hospital!

YOUR health is more important than the house or the GMC!

Regards,
Rob M.

-----Original Message-----
From: Emery Stora

Those of you that went to the GMCMI convention know that I had a
transmission problem and was only about 40 miles east of Denver when I had
"no go". I was towed back to Longmont and left the GMC at Sonny's Garage in
Longmont.

We unpacked and repacked into our car and went to Shawnee and stayed for 13
nights there in a motel. We were part of the advance crew so were there
almost two weeks.

After returning back to Colorado, Stan Edwards and Richard Smith helped me
pull the final drive and the transmission

The final drive lost its input bearing and some other internal damage. The
switch pitch transmission has a sheared output shaft about 2" in from the
connection to the final drive and some other internal damage. That shaft is
probably about 1" in diameter and I have never heard of that happening
before.

My good friend, Bill Bramlett, is rebuilding my transmission using parts
from a junkyard tranny that I purchased.

Jim Kanomata of Applied GMC has graciously shipped me another 3.55 final
drive at no charge under his great warranty program. One couldn't ask for a
better supplier than Jim. I don't think any other supplier would do that
for a few years old final drive.

Unfortunately I won't be back in Colorado for a few weeks to reinstall
things. We are in Santa Fe trying to get some things done on our house so we
can get it listed with a realtor.

I am slowed done a bit right now as I have just been diagnosed with
pneumonia and it may take a couple of weeks for me to recover.

Emery

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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Re: [GMCnet] Tranny & final drive problem [message #167004 is a reply to message #167002]

Fri, 20 April 2012 18:14

Sandra Price

Messages: 709
Registered: May 2006

Karma: 1

Senior Member

Good grief about the pneumonia, Emery! Take it easy and get well soon.
Sandra and Bob
On Apr 20, 2012 5:58 PM, "Emery Stora" <emerystora@mac.com> wrote:

> Those of you that went to the GMCMI convention know that I had a
> transmission problem and was only about 40 miles east of Denver when I had
> "no go". I was towed back to Longmont and left the GMC at Sonny's Garage
> in Longmont.
>
> We unpacked and repacked into our car and went to Shawnee and stayed for
> 13 nights there in a motel. We were part of the advance crew so were there
> almost two weeks.
>
> After returning back to Colorado, Stan Edwards and Richard Smith helped me
> pull the final drive and the transmission
>
> The final drive lost its input bearing and some other internal damage. The
> switch pitch transmission has a sheared output shaft about 2" in from the
> connection to the final drive and some other internal damage. That shaft
> is probably about 1" in diameter and I have never heard of that happening
> before.
>
> My good friend, Bill Bramlett, is rebuilding my transmission using parts
> from a junkyard tranny that I purchased.
>
> Jim Kanomata of Applied GMC has graciously shipped me another 3.55 final
> drive at no charge under his great warranty program. One couldn't ask for
> a better supplier than Jim. I don't think any other supplier would do that
> for a few years old final drive.
>
> Unfortunately I won't be back in Colorado for a few weeks to reinstall
> things. We are in Santa Fe trying to get some things done on our house so
> we can get it listed with a realtor.
>
> I am slowed done a bit right now as I have just been diagnosed with
> pneumonia and it may take a couple of weeks for me to recover.
>
> Emery Stora
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
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Re: [GMCnet] Tranny & final drive problem [message #167008 is a reply to message #167004]

Fri, 20 April 2012 18:48

WD0AFQ

Messages: 7111
Registered: November 2004
Location: Dexter, Mo.

Karma: 207

Senior Member

Oh yea, better to have a sick GMC than a sick Emery.
Glad you were able to determine what happened.
That is some kind of warranty on the final drive. That Jim believes in what he sells, no doubt.
Dan

3 In Stainless Exhaust Headers One Ton All Discs/Reaction Arm 355 FD/Quad Bag/Alum Radiator Manny Tran/New eng. Holley EFI/10 Tire Air Monitoring System Solarized Coach/Upgraded Windows Satelite TV/On Demand Hot Water/3Way Refer

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Re: [GMCnet] Tranny & final drive problem [message #167011 is a reply to message #167002]

Fri, 20 April 2012 18:57

roy1

Messages: 2126
Registered: July 2004
Location: Minden nevada

Karma: 6

Senior Member

Sorry to hear that Emery sometimes it doesn't rain it pours. Thank God for good friends to help when you are down, with out them your situation would be almost too hard to take. Get well soon.

Roy Keen Minden,NV 76 X Glenbrook

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Re: [GMCnet] Tranny & final drive problem [message #167012 is a reply to message #167002]

Fri, 20 April 2012 19:01

Ken Henderson

Messages: 8726
Registered: March 2004
Location: Americus, GA

Karma: 9

Senior Member

Emery,

Take care of YOU. The GMC will survive. Especially with all the friends
you have for support. Wish I was closer so I could join in.

Ken H.

On Fri, Apr 20, 2012 at 6:57 PM, Emery Stora wrote:

> Those of you that went to the GMCMI convention know that I had a
> transmission problem and was only about 40 miles east of Denver when I had
> "no go". I was towed back to Longmont and left the GMC at Sonny's Garage
> in Longmont...
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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: [GMCnet] Tranny & final drive problem [message #167026 is a reply to message #167002]

Fri, 20 April 2012 20:55

JohnL455

Messages: 4447
Registered: October 2006
Location: Woodstock, IL

Karma: 12

Senior Member

The broken metal is an easy fix and can wait. Get better first and then don't dive in too fast. I'm finding this mold/yeast thing often is misdiagnosed as a myriad of other problems and therefore missed in diagnosis. There is a mold Dr. expert in Madison Wi that does an accurate test from a 500 ml urine sample.

John Lebetski
Woodstock, IL
77 Eleganza II

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Re: [GMCnet] Tranny & final drive problem [message #167030 is a reply to message #167002]

Fri, 20 April 2012 21:24

Bob de Kruyff

Messages: 4260
Registered: January 2004
Location: Chandler, AZ

Karma: 1

Senior Member

Hopefully the snapped trans input is covered as well.

Bob de Kruyff
78 Eleganza
Chandler, AZ

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Re: [GMCnet] Tranny & final drive problem [message #167033 is a reply to message #167002]

Fri, 20 April 2012 21:56

g.winger

Messages: 792
Registered: February 2008
Location: Warrenton,Missouri

Karma: 0

Senior Member

Emery,,,,,wow,,,double bummer. Hope you're feeling better soon. Cold you please post what the symptoms were before it quit moving forward. How loud, vibration,,,sound etc. Thanks,,,,PL

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Re: [GMCnet] Tranny & final drive problem [message #167035 is a reply to message #167033]

Fri, 20 April 2012 22:06

emerystora

Messages: 4442
Registered: January 2004

Karma: 13

Senior Member

I was going about 65 mph when all of a sudden the rpm went to 4000 and the motorhome started to slow.

There was no noise or vibration. I coasted to the side of the road and found I had no 1st, 2nd. D or R.

While waiting 4 hours for a tow truck, I jacked up one wheel put the transmission in park and tried to turn the wheel. It wouldn't turn so I figured that the final drive was ok. However I later found that the final drive was not ok.

No other noise or other indications prior to failure.

Emery Stora

On Apr 20, 2012, at 8:56 PM, Paul Leavitt <leavittpaul@yahoo.com> wrote:

>
>
> Emery,,,,,wow,,,double bummer. Hope you're feeling better soon. Cold you please post what the symptoms were before it quit moving forward. How loud, vibration,,,sound etc. Thanks,,,,PL
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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Re: [GMCnet] Tranny & final drive problem [message #167038 is a reply to message #167035]

Fri, 20 April 2012 22:25

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma: 6

Senior Member

Emery,

If the opportunity presents itself some pictures would be interesting.

Regards,
Rob M.

-----Original Message-----
From: Emery Stora

I was going about 65 mph when all of a sudden the rpm went to 4000 and the
motorhome started to slow.

There was no noise or vibration. I coasted to the side of the road and found
I had no 1st, 2nd. D or R.

While waiting 4 hours for a tow truck, I jacked up one wheel put the
transmission in park and tried to turn the wheel. It wouldn't turn so I
figured that the final drive was ok. However I later found that the final
drive was not ok.

No other noise or other indications prior to failure.

Emery Stora

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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Re: [GMCnet] Tranny & final drive problem [message #167102 is a reply to message #167030]

Sat, 21 April 2012 17:52

Bob de Kruyff

Messages: 4260
Registered: January 2004
Location: Chandler, AZ

Karma: 1

Senior Member

Bob de Kruyff wrote on Fri, 20 April 2012 20:24

Hopefully the snapped trans input is covered as well.

Judging by the silence I assume that's a big no. I think most of us would expect associated damages to be covered if it was any other product with a decent warranty.

Bob de Kruyff
78 Eleganza
Chandler, AZ

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Re: [GMCnet] Tranny & final drive problem [message #167104 is a reply to message #167102]

Sat, 21 April 2012 18:09

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma: 6

Senior Member

Bob,

I would expect that a through failure analysis be done to ascertain the root
cause of the failure before anyone committed to anything.

Regards,
Rob M.

-----Original Message-----
From: Bob de Kruyff

Bob de Kruyff wrote on Fri, 20 April 2012 20:24
> Hopefully the snapped trans input is covered as well.

Judging by the silence I assume that's a big no. I think most of us would
expect associated damages to be covered if it was any other product with a
decent warranty.
--
Bob

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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Re: [GMCnet] Tranny & final drive problem [message #167127 is a reply to message #167104]

Sat, 21 April 2012 20:32

Bob de Kruyff

Messages: 4260
Registered: January 2004
Location: Chandler, AZ

Karma: 1

Senior Member

Robert Mueller wrote on Sat, 21 April 2012 17:09

Bob,

I would expect that a through failure analysis be done to ascertain the root
cause of the failure before anyone committed to anything.

Regards,
Rob M.

-----Original Message-----
From: Bob de Kruyff

Bob de Kruyff wrote on Fri, 20 April 2012 20:24
> Hopefully the snapped trans input is covered as well.

Judging by the silence I assume that's a big no. I think most of us would
expect associated damages to be covered if it was any other product with a
decent warranty.
--
Bob

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Yuh--of course. Off line we have some differing opinions ,,,,

Bob de Kruyff
78 Eleganza
Chandler, AZ

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Re: [GMCnet] Tranny & final drive problem [message #167154 is a reply to message #167002]

Sun, 22 April 2012 01:26

Adrien G.

Messages: 474
Registered: May 2008
Location: Burns Flat, OK 73624

Karma: 1

Senior Member

Emery,

Best wishes for a speedy come back.

Rob M. wrights >I would expect that a through failure analysis be done to ascertain the root
cause of the failure before anyone committed to anything.<

Rob, the root cause is the pinion bearing, ( >The final drive lost its input bearing and some other internal damage.< ) and the oscillation that the pinion was doing, put bending forces on the tranny output shaft ( like bending wire till brake ). This type of forces generate clean brakes.

Hence, no forward or reverse drive.

FWIW. Just my thoughts.

Adrien & Jenny Genesoto 75 Glenbrook (26-3) Mods LS3.70 FD / Reaction Sys / 80mm Front&Intermidiate / Hydroboost / 16" Tires / Frame Rebuild / Interior Rebuild Yuba City,Ca. Text 530-nine-3-three-3-nine-nine-6

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