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Steering wheel nut - torque specs [message #247263]

Sat, 12 April 2014 16:02

larry.whisler

Messages: 356
Registered: August 2005

Karma: 8

Senior Member

GMC forum members,

When we were ready to leave Conroe, the horn on the coach began to honk when the steering wheel was being turned. I pulled the horn button out and drove the coach without further problems.

I have now figured out the problem. It seems that the Turn Signal Cam is broken which allows the wire off of the horn button to ground and sound the horn.

I located the replacement part ( Dorman 83232, Turn Signal Cam ) at o'reillys auto parts. This piece is made of plastic to allow insulation for the horn button wire and I think the plastic broke due to the steering wheel being slightly loose on the shaft.

Since I need to pull the steering wheel to install the turn signal cam, I thought that I would look up the torque specs on reinstalling the steering wheel.

I consulted the 1975 maint manual and it states that the nut for the steering wheel is torqued at 30 inch pounds. This seems to me to be quite low for this application.

Am I missing something?

larry

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Re: [GMCnet] Steering wheel nut - torque specs [message #247264 is a reply to message #247263]

Sat, 12 April 2014 16:18

k2gkk

Messages: 4452
Registered: November 2009

Karma: -8

Senior Member

30 in-lbs is 2.5 ft-lbs of torque. I don't see any need for a lot of torque at that point; just enough to keep the wheel on.

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> To: gmclist@temp.gmcnet.org
> From: larry.whisler@hotmail.com
> Date: Sat, 12 Apr 2014 16:02:05 -0500
> Subject: [GMCnet] Steering wheel nut - torque specs
>
>
>
>
> GMC forum members,
>
> When we were ready to leave Conroe, the horn on the coach began to honk when the steering wheel was being turned. I pulled the horn button out and drove the coach without further problems.
>
> I have now figured out the problem. It seems that the Turn Signal Cam is broken which allows the wire off of the horn button to ground and sound the horn.
>
> I located the replacement part ( Dorman 83232, Turn Signal Cam ) at o'reillys auto parts. This piece is made of plastic to allow insulation for the horn button wire and I think the plastic broke due to the steering wheel being slightly loose on the shaft.
>
> Since I need to pull the steering wheel to install the turn signal cam, I thought that I would look up the torque specs on reinstalling the steering wheel.
>
> I consulted the 1975 maint manual and it states that the nut for the steering wheel is torqued at 30 inch pounds. This seems to me to be quite low for this application.
>
> Am I missing something?
>
> larry

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Re: Steering wheel nut - torque specs [message #247265 is a reply to message #247263]

Sat, 12 April 2014 17:10

C Boyd

Messages: 2629
Registered: April 2006

Karma: 18

Senior Member

Larry in the 75 maintenance manual X7525, section 9-61 line 33. "torque steering wheel to 30 ft-lb."

larry.whisler wrote on Sat, 12 April 2014 17:02

C. Boyd
76 Crestmont
East Tennessee

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Re: Steering wheel nut - torque specs [message #247278 is a reply to message #247263]

Sat, 12 April 2014 20:00

habbyguy

Messages: 896
Registered: May 2012
Location: Mesa, AZ

Karma: 3

Senior Member

30 foot/pounds sure sounds like a more reasonable number to me (than 2.5 ft/lbs). I know that my (aftermarket) steering wheel was loose when I bought my coach (it had a couple other things contributing to loose / vague steering, so my drive home through Los Angeles rush hour traffic was "interesting").

I know I tightened it to WELL over 2.5 pounds, and still had it loosen up later. I got a little more serious about snugging it down after I replaced the ignition switch, and it's been fine for lots of miles since then.

The short version: you want the nut holding the wheel good and tight. Errrr, that would be the HEX nut holding the wheel... Wink

Mark Hickey Mesa, AZ 1978 Royale Center Kitchen

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Re: Steering wheel nut - torque specs [message #247287 is a reply to message #247263]

Sat, 12 April 2014 20:29

JohnL455

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

Karma: 12

Senior Member

Sounds about right at 30 fp. After that you should be able to remove the nut and need a puller to get it off. Later GMs sdded a safety snap ring to the end of the shaft

John Lebetski
Woodstock, IL
77 Eleganza II

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Re: Steering wheel nut - torque specs [message #247292 is a reply to message #247265]

Sat, 12 April 2014 20:38

larry.whisler

Messages: 356
Registered: August 2005

Karma: 8

Senior Member

On page 9-63 the manual lists the torque at 30 which is a continuation of the previous page, 9-62, that has a header listing the torque in pound inches.

I didn't read the instructions on page 9-61. This makes more sense.

Looks like this part is a misprint.

thanks

larry

[Updated on: Sat, 12 April 2014 20:41]

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