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Re: [GMCnet] lower steering shaft complete new replacement [message #265444 is a reply to message #265431]

Tue, 04 November 2014 13:49

USAussie

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

Karma:

Senior Member

Karen,

I'm going to disagree with you slightly and say and add the following to your statement "that plastic coating to take up the slack
in a constantly sliding joint, is just not very durable" - WHEN NOT GREASED AT THE PROPER INTERVAL.

Ref: MM-X-7525 page 0-6 General Information / ENGINE, CHASSIS, AND BODY MAINTENANCE SCHEDULE

WHEN TO PERFORM SERVICES Item SERVICES
(Months or Miles, Whichever Occurs First) No (For Details, See Numbered Paragraphs

Every 3 months or 3,000 miles 1 Chassis Lubrication

As noted in my previous email there is a difference between the OEM blue slip shaft the current production and that is the seal at
the top of the shaft; the OEM it is cork and the new one I examined at Dave Lenzi's table was a rubber compound. I'd say they made
that change because shafts that were not greased regularly rusted solid as noted here on occasion!

After reading your note below about Primitive Pete beating on the lower yoke to tighten it up I thought that it might be a better
idea just to try and crush the yoke a bit in a press to tighten it up before heating it up. The one in Double Trouble was loose and
worn but I was able to tighten it up enough by replacing the 7/16 NC coarse bolt with a 7/16 NF bolt and torquing it like beyond the
70 ft lb spec. I have no idea how much torque I applied to that bolt but I am SURE it was above the 70 ft lb spec. Now that I
reflect on doing that I realize that's not a good thing to do because the bolt could shear and that would NOT be fun!

Thanks for the compliment; hopefully I will be able to update that procedure to include setting the steering box on "top dead
center."

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

-----Original Message-----
From: KB

I think the upper CV on ours is acceptable. I've already gone down that route of dis-assembly, inspection, and grease (and then
trying to get it back together in the correct orientation...) The assembly between the upper joint and the steering box is worn on
ours, and this looks like a common problem to me. A previous owner already went down the route of inserting shims down the splines
to try and take up the slack, but it's still pretty sloppy. Also looks like somebody hammered on the yoke where the lower U-joint
is mounted. I could replace it, or pull it, epoxy the plastic coating, replace the lower u-joint, etc, but I'm not convinced it'll
stay tight for long.
Seems like the original design, especially that plastic coating to take up the slack in a constantly sliding joint, is just not very
durable
(especially when constantly drenched in water...) Maybe it's "good enough" for the purpose, but it doesn't hurt to think about
alternatives.

I have to take apart our upper column anyway because the tilt mechanism is partially wedged and there's an annoying squeak. That
got me to go print out your most excellent document about inspecting the steering (THANK YOU for doing that, btw) and look at the
possibilities for parts for the rest.

I don't know yet what approach to take, but this new stuff looks promising to me.

thanks,
Karen

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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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