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[GMCnet] Re: Centering the steering box [message #363638 is a reply to message #363637] Fri, 23 April 2021 21:46 Go to previous messageGo to previous message
Ken Henderson is currently offline  Ken Henderson   United States
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma:
Senior Member
DON'T be randomly adjusting the steering box. The chances of seriously
damaging it are simply too great. Study the adjustment procedure in the
service manual and FOLLOW it! You'll have to acquire an inch-pound
calibrated torque wrench to do that. You may well have to buy one from a
bicycle tool shop (maybe you can rent/borrow one from a bike repair shop).
They're not very expensive for the bending-beam type.

Ken H.


On Fri, Apr 23, 2021 at 10:01 PM wrote:

> Ok well the Toronado was a little bit different (thinking earlier
> incarnation) however it did "kinda" fit - I had to install it backwards
> because on
> the Olds setup, the rear cam is welded to the bolt. The bolt/cam assy
> couldn't be inserted from inside the arm, shock mount was in the way.
> The other difference was that the bolt (and the cam) had flats on TWO
> sides, but only at the threads, the main body of the bolt was round and not
> machined. Still, I was able to mark the Olds cams to match the camber
> marks on the GMC cams, lining them up with the marks on the arm. That way I
> was
> able to put it back to the way it was set up before we did the parts swap.
>
> I'll be returning the aftermarket "kit" I ordered yesterday, apparently
> they had one in Canada after all 8o - this kit is a Mevotech MS50018 and
> from
> the illustration, it has flat cams. I'll check it when it arrives and
> report back. I tried to cancel but they already shipped so I'll have to do a
> return.
>
> After dicking around with that job I moved on to magnet and aluminum flat
> stock making, ready to get the steering box centered.
>
> Had a bit if a struggle pulling off the lower shaft U-joint, but
> eventually it came off. I adjusted the drag link to bring the flat up
> parallel to the
> plate. Was easy to see with the aluminum stock and magnet indicators.
>
> Anyway buttoned her up and reinstalled the lower shaft and took her for a
> test drive. Still had play in the box so tried adjusting the allen key nut.
> I slackened it a bit and that seemed to help but it ain't perfect yet.
>
> I guess I'm going to have to figure out how to adjust the steering box
> properly because it does seem to make a difference from what I've seen so
> far.
> BTW, The steering box was *new* around 6000 miles back according to PO's
> records. In fact the whole front end looks pretty fresh, guessing it was
> also
> rebuilt at the same time.
>
> Adjustment tips gratefully received!!
>
> Larry
> --
> Larry - Victoria BC -
>
> 1977 Palm Beach VIN TZE167V101295 - 39,000 miles, PO said everything
> working but forgot the word NOT. New wiper blades, New SS exhaust system ..
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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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