Matt, you just saved me and my Canyonland. I have started a brake system rebuild and have the front on jack stands. I've be pondering the last several days how to raise the rear of the vehicle to continue with the rear brakes. After reading your comments I think I will finish the front and then restart on the rears. With the front wheels on the ground can I jack up the rear at the bogie (alternating sides) and support it at the frame rail on each side with two stands located
Before after the rear wheels? I'm just not a big fan of ramps.

Thanks, Rod

Sent from Mail for Windows 10

From: Matt Colie
Sent: Thursday, May 5, 2016 6:21 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] How many hours to change out all fuel lines?

jjdebarros wrote on Thu, 05 May 2016 20:04
> (I've been watching this thread as I need to drop my tanks. Got a leak when I fill them too much...)
>
> A couple of questions:
> - How high did you have to jack up the rear?
> - Is that a multi step process of jacking up left a couple of inches, then right and then back to left...
> - Any issues / danger with only jacking up the rear?
>
> Thanks

JJ,

Build ramps to back onto. An extra 10~12inches should do, and then turn the rear up and block it there. (If an airspring (air bag) blows, this thing
can squash you like a bug. Remember to chock the front both ways.

I cheat. I have a 7K car lift that I usually use to lift the bogies. I can't lift it very far because the barn roof is in the way.

The problem with jacking the rear a little at a time is that you really have to jack where you want to block unless you have the OE jack. Be careful
how and where you jack. Bud Sargent, a VP of Thetford and a GM expatriot, got one of the first coaches. It went to a local GMC dealer for service
and they put it on a truck lift and bent it so the door would not close. I got to go and pick up the replacement coach.

Other thing to not do is put the front on something solid, jack stands or a block frame and then jack one side of the rear. This can break things.

--
Matt & Mary Colie - Members GMCMI, GMCGL, GMCES
'73 Glacier 23 - Still Loving OE Rear Drum Brake with Applied Control Arms
Now with both true Keyless and remote entry
SE Michigan - Twixt A2 and Detroit

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