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Re: [GMCnet] lower steering shaft complete new replacement [message #266581 is a reply to message #266557]

Sun, 23 November 2014 17:09

USAussie

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

Karma:

Senior Member

Kerry,

A) If the steering wheel is installed so that horizontal bars are perpendicular to mark on the spline at the top of the steering
column and that mark is parallel to the fore / aft axis of the GMC:

http://www.gmcmhphotos.com/photos/aa-miscellaneous-photos/p56546-steering-column-splines.html

B) The lower steering shaft is assembled as per MM X-7625 / Section 9 / Page 9-3 / Figure 1 - Lower Steering Shaft (Disassembled),

http://www.gmcmhphotos.com/photos/aa-miscellaneous-photos/p56545-lower-intermediate-steering-column.html

C) the steering box input spline is aligned as per:

http://www.gmcmhphotos.com/photos/aa-miscellaneous-photos/p56547-steering-box-input-shaft-alignment.html

The OEM parts will align everything properly.

As far as the strength of the OEM assembly goes I stumbled on to this photograph when searching the PhotoSite:

http://www.gmcmhphotos.com/photos/member-galleries/p56467-borgeson-intermediate-shaft-vs-oem-upper-column-shaft.html

This is Karen's photo and it shows that the shaft in the OEM column is virtually the same as the Borgeson column. This tells me from
a strength aspect the Borgeson setup is fine.

As far as the alignment between the steering column and the steering box using the Borgeson or Flaming River parts I cannot comment.

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

-----Original Message-----
From: Kerry Pinkerton

ASSUMING... ASSUMING...that GMC designed everything so that the steering column splines match in alignment (ie, #1 spline at 12
o'clock or similar (zero degrees)), Keith's procedure will be exactly what is needed. If GMC did not but corrected it in the 6 bolt
mid plate, the MOST you could be off would be some fraction of one spline...a few degrees. Based on what Alex is seeing with many
coaches off 60, 120 or even 180 degrees, I'd think even off a couple degrees would be a VAST improvement over how most coaches on
the road today are set.

If, on the other hand, GMC built the steering shaft to simply span the gap between a centered lower box and a centered steering
column and welded the top and bottom ends together in the 6 bolt mid plate to correct any alignment of splines issues, then this new
shaft could be off a couple degrees. Might that make a noticeable difference? I don't have a clue.

The Ujoint manufacturer would have to have their splines clocked appropriately also. For example, if the top Ujoint was made so
that #1 spline was at zero degrees, but the bottom Ujoint which has a different spline count the #1 spline started at 2 degrees,
there could be a misalignment. However, from a manufacturing standpoint, I'd be amazed if they would let that happen.

Regarding the STRENGTH of the units as discussed earlier, it occurred to me that our shafts are an interesting mix of components.
We have this HUGE honking slip joint that looks like it came out of a Sherman tank that lead to splined connections to the column
and steering box. The weak point in the shaft is the splines. I'm sure one of our engineers can tell us how much it will take to
strip the splines on the end of the standard GM steering column but I'm willing to they will strip LONG before the aftermarket
Ujoints or DD shaft will fail.

Kerry

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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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[Message index]

		[GMCnet] lower steering shaft complete new replacement By: KB on Sun, 02 November 2014 17:45
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Henderson on Sun, 02 November 2014 18:52
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sun, 02 November 2014 19:53
		Re: [GMCnet] lower steering shaft complete new replacement By: midlf on Sun, 02 November 2014 20:23
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sun, 02 November 2014 21:27
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Sun, 02 November 2014 20:20
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sun, 02 November 2014 21:32
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Sun, 02 November 2014 22:09
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Henderson on Sun, 02 November 2014 23:06
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Sun, 02 November 2014 21:37
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Sun, 02 November 2014 22:04
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Mon, 03 November 2014 01:04
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Mon, 03 November 2014 08:11
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Mon, 03 November 2014 10:46
		Re: [GMCnet] lower steering shaft complete new replacement By: midlf on Mon, 03 November 2014 12:12
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Mon, 03 November 2014 14:40
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Mon, 03 November 2014 19:27
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Tue, 04 November 2014 00:31
		Re: [GMCnet] lower steering shaft complete new replacement By: Jim at the Co-op on Tue, 04 November 2014 06:26
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Tue, 04 November 2014 11:41
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Tue, 04 November 2014 13:49
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Mon, 03 November 2014 13:10
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Mon, 03 November 2014 13:57
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Mon, 03 November 2014 16:11
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Mon, 03 November 2014 18:29
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Mon, 03 November 2014 20:59
		Re: [GMCnet] lower steering shaft complete new replacement By: bdub on Tue, 04 November 2014 11:04
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Tue, 04 November 2014 12:26
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Tue, 04 November 2014 15:55
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Tue, 04 November 2014 16:56
		Re: [GMCnet] lower steering shaft complete new replacement By: Jim at the Co-op on Thu, 06 November 2014 07:53
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Thu, 06 November 2014 12:59
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Thu, 06 November 2014 12:37
		Re: [GMCnet] lower steering shaft complete new replacement By: Jim at the Co-op on Thu, 06 November 2014 13:05
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sat, 22 November 2014 15:02
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sat, 22 November 2014 15:52
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sat, 22 November 2014 17:25
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sat, 22 November 2014 18:35
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Sat, 22 November 2014 20:30
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Sat, 22 November 2014 20:35
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sat, 22 November 2014 21:52
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Sun, 23 November 2014 13:44
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sun, 23 November 2014 19:55
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Wed, 26 November 2014 14:52
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Wed, 26 November 2014 16:20
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Wed, 26 November 2014 19:53
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Wed, 26 November 2014 14:32
		Re: [GMCnet] lower steering shaft complete new replacement By: Mr ERFisher on Sat, 22 November 2014 17:13
		Re: [GMCnet] lower steering shaft complete new replacement By: RicksGMC on Mon, 03 November 2014 07:23
		Re: [GMCnet] lower steering shaft complete new replacement By: bdub on Mon, 03 November 2014 11:58
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Mon, 03 November 2014 12:32
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Thu, 06 November 2014 13:04
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Thu, 06 November 2014 15:03
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Thu, 06 November 2014 15:08
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Thu, 06 November 2014 15:54
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Thu, 06 November 2014 16:56
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Thu, 06 November 2014 17:05
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Thu, 06 November 2014 19:22
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Fri, 07 November 2014 10:48
		Re: [GMCnet] lower steering shaft complete new replacement By: winter on Sat, 08 November 2014 08:32
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Fri, 07 November 2014 09:42
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Fri, 07 November 2014 12:34
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Fri, 07 November 2014 15:16
		Re: [GMCnet] lower steering shaft complete new replacement By: Bullitthead on Sat, 15 November 2014 22:18
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Fri, 07 November 2014 16:56
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Henderson on Sat, 08 November 2014 23:48
		Re: [GMCnet] lower steering shaft complete new replacement By: JohnL455 on Sat, 08 November 2014 08:49
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Sat, 08 November 2014 10:30
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Sun, 09 November 2014 07:22
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sat, 08 November 2014 13:37
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sat, 08 November 2014 14:05
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sat, 08 November 2014 16:15
		Re: [GMCnet] lower steering shaft complete new replacement By: Matt Colie on Sat, 08 November 2014 16:54
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sat, 08 November 2014 17:36
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Henderson on Sat, 08 November 2014 20:37
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Tue, 11 November 2014 18:36
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Sat, 08 November 2014 23:25
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Sun, 09 November 2014 07:47
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sun, 09 November 2014 11:20
		Re: [GMCnet] lower steering shaft complete new replacement By: Ken Burton on Sun, 09 November 2014 11:34
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sun, 09 November 2014 12:05
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sun, 09 November 2014 13:50
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Mon, 10 November 2014 10:58
		Re: [GMCnet] lower steering shaft complete new replacement By: Keith V on Mon, 10 November 2014 11:00
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Mon, 10 November 2014 16:12
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sat, 15 November 2014 16:39
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Sat, 22 November 2014 17:12
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sat, 22 November 2014 17:47
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Sat, 22 November 2014 18:23
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Thu, 18 December 2014 15:43
		Re: [GMCnet] lower steering shaft complete new replacement By: A Hamilto on Fri, 03 July 2015 11:36
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Fri, 03 July 2015 12:05
		Re: [GMCnet] lower steering shaft complete new replacement By: A Hamilto on Fri, 03 July 2015 12:07
		Re: [GMCnet] lower steering shaft complete new replacement By: Hal StClair on Fri, 03 July 2015 13:33
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Sun, 02 October 2016 11:44
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sun, 02 October 2016 16:52
		Re: [GMCnet] lower steering shaft complete new replacement By: Hal StClair on Sun, 02 October 2016 22:19
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Mon, 03 October 2016 11:06
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Tue, 04 October 2016 08:29
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Wed, 05 October 2016 12:21
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Wed, 05 October 2016 21:06
		Re: [GMCnet] lower steering shaft complete new replacement By: <rallymaster on Sat, 22 November 2014 22:50
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Sun, 23 November 2014 06:41
		Re: [GMCnet] lower steering shaft complete new replacement By: USAussie on Sun, 23 November 2014 17:09
		Re: [GMCnet] lower steering shaft complete new replacement By: kerry pinkerton on Fri, 03 July 2015 07:11
		Re: [GMCnet] lower steering shaft complete new replacement By: KB on Fri, 03 July 2015 12:00
		Re: [GMCnet] lower steering shaft complete new replacement By: JR Williams on Sat, 05 October 2019 01:19
		Re: [GMCnet] lower steering shaft complete new replacement By: Silvernort on Sat, 05 October 2019 08:04
		Re: [GMCnet] lower steering shaft complete new replacement By: Norisan on Sat, 05 October 2019 11:03
		Re: [GMCnet] lower steering shaft complete new replacement By: Neil Roach on Sat, 05 October 2019 13:36
		Re: [GMCnet] lower steering shaft complete new replacement By: JR Williams on Wed, 09 October 2019 17:27
		Re: [GMCnet] lower steering shaft complete new replacement By: Justin Brady on Thu, 10 October 2019 09:13
		Re: [GMCnet] lower steering shaft complete new replacement By: MikeB on Thu, 10 October 2019 10:29
		Re: [GMCnet] lower steering shaft complete new replacement By: Bill Van Vlack on Thu, 10 October 2019 16:09
		Re: [GMCnet] lower steering shaft complete new replacement By: Hal StClair on Fri, 11 October 2019 20:46

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