Home » Public Forums » GMCnet » Re: [GMCnet] replacing front brake discs on my 1973 GMC 26ft
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| Re: [GMCnet] replacing front brake discs on my 1973 GMC 26ft [message #300063 is a reply to message #300059] |
Mon, 02 May 2016 20:41   |
77Royale
Messages: 461
Registered: June 2014
Location: Mid Michigan
Karma: 6
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Senior Member |
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Welcome Rod,
You will find a host of useful information on this forum. Stay with it, and dont get discouraged.
I would take the advice given thus far and invest in a Maintenance Manual if you dont have one. They are golden. Keep it in the coach or in the John, wherever you do your reading. Read it front to back.
If you do not know for certain when the front wheel bearings were last inspected and serviced, Plan on a worst case scenario. Personally, I would not dive into that job without the aid of someone who knows exactly what they are doing. You need to have special tools to remove the bearings. No way around it, and you also need to know HOW to use those tools without damaging anything.
The advice I got 2 years ago when I was in the same boat is the same I will share. Pull the entire assembly on both sides. Hub, rotor, and knuckle, all out together in one shot. Luckily/Thankfully I am less than an hour away from Dave Lenzi in Michigan. I took my knuckle assemblies to him for inspection and work. A week or so later, I had two new rotors from Cinnabar, rebuilt hubs, and knuckles, and new bearings, races and seals which are now grease able. The kicker was it was done right the first time to exacting specs, and following the greasing service schedule, should be worry free for as long as Im around. Was this Cheap? It depends. I will tell you it cost less than the average RV tow bill. Peace of mind is something thats hard to put a price on.
Did I learn something about this coach? Yes, the ability to know and respect that some jobs are out of my comfort range, and out of my skill set. Some jobs take special tools and special skills and to know they are done correctly, and safely the first time is worth it. Remember all the people who will be inside that coach lumbering down the highway....
What to do when those assemblies are off, Clean, Inspect, and repack your CVs. What do the boots look like? When were those serviced? Only way to know is to look. I found a bad CV on one side and had two torn boots from the PO. So that was another nasty job, but its done now, and documented in the log book.
While you are still at it with the brakes. Whats the condition of the Lines, the rubber hoses, the calipers, Master, booster, and the combination valve? If there are any questionable parts, its time to replace them. These are your brakes. If none of those parts were documented as being replaced, go with the worst case and replace them all. Pretty much any other system on the coach can be dealt with as needed. Brakes are not one of those systems.
Again, your at the right spot and dont get discouraged. As others will probably chime in. A location of where you are at in your Sig line will help folks who may have knowledge or skills or tools close to you who can help.
Congrats on the new adventure. It gets better.
77 Royale, Rear Dry Bath. 403, 3.55 Final Drive, Lenzi goodies, Patterson carb and dizzy.
Mid Michigan
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| Re: [GMCnet] replacing front brake discs on my 1973 GMC 26ft [message #300067 is a reply to message #300063] |
Mon, 02 May 2016 22:08 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Senior Member |
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Don't wast your time
Buy a manny one ton
http://gmcmotorhome.info/front.html
On Monday, May 2, 2016, Wayne Rogewski wrote:
> Welcome Rod,
>
> You will find a host of useful information on this forum. Stay with it,
> and dont get discouraged.
>
> I would take the advice given thus far and invest in a Maintenance Manual
> if you dont have one. They are golden. Keep it in the coach or in the John,
> wherever you do your reading. Read it front to back.
>
> If you do not know for certain when the front wheel bearings were last
> inspected and serviced, Plan on a worst case scenario. Personally, I would
> not
> dive into that job without the aid of someone who knows exactly what they
> are doing. You need to have special tools to remove the bearings. No way
> around it, and you also need to know HOW to use those tools without
> damaging anything.
>
> The advice I got 2 years ago when I was in the same boat is the same I
> will share. Pull the entire assembly on both sides. Hub, rotor, and
> knuckle,
> all out together in one shot. Luckily/Thankfully I am less than an hour
> away from Dave Lenzi in Michigan. I took my knuckle assemblies to him for
> inspection and work. A week or so later, I had two new rotors from
> Cinnabar, rebuilt hubs, and knuckles, and new bearings, races and seals
> which are
> now grease able. The kicker was it was done right the first time to
> exacting specs, and following the greasing service schedule, should be worry
> free for as long as Im around. Was this Cheap? It depends. I will tell
> you it cost less than the average RV tow bill. Peace of mind is something
> thats hard to put a price on.
>
> Did I learn something about this coach? Yes, the ability to know and
> respect that some jobs are out of my comfort range, and out of my skill set.
> Some jobs take special tools and special skills and to know they are done
> correctly, and safely the first time is worth it. Remember all the people
> who will be inside that coach lumbering down the highway....
>
>
> What to do when those assemblies are off, Clean, Inspect, and repack your
> CVs. What do the boots look like? When were those serviced? Only way
> to know is to look. I found a bad CV on one side and had two torn boots
> from the PO. So that was another nasty job, but its done now, and
> documented
> in the log book.
>
>
> While you are still at it with the brakes. Whats the condition of the
> Lines, the rubber hoses, the calipers, Master, booster, and the combination
> valve? If there are any questionable parts, its time to replace them.
> These are your brakes. If none of those parts were documented as being
> replaced, go with the worst case and replace them all. Pretty much any
> other system on the coach can be dealt with as needed. Brakes are not one of
> those systems.
>
> Again, your at the right spot and dont get discouraged. As others will
> probably chime in. A location of where you are at in your Sig line will
> help
> folks who may have knowledge or skills or tools close to you who can help.
>
> Congrats on the new adventure. It gets better.
> --
> 77 Royale, Rear Dry Bath. 403, 3.55 Final Drive, Lenzi goodies.
> Mid Michigan
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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| Re: [GMCnet] replacing front brake discs on my 1973 GMC 26ft [message #300070 is a reply to message #300061] |
Mon, 02 May 2016 22:27 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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If you do not have access to the front bearing puller, don't try to replace
the rotors.
Should you try to do it go to our sight and see how Ken Thoma does it.
Any questions, call me for assistance.
On Mon, May 2, 2016 at 6:08 PM, Carl wrote:
> Hi Rod,
>
> You don't need to remove the knuckle.
> You do need to remove the Hub.
>
> There are 3 seal retainer bolts that you need to undo as well as the nut
> that us under the dust cover.
>
> Download a maintenance manual , there are good step by step instructions.
>
> I suggest that you inspect and repack the wheel bearings while you have
> the Hubs off.
>
>
> --
> Carl Harr : Driver NASCAR Pro Series #2
> 1978 Gadabout-Restoring
> 1978 Palm Beach
> 1976 Glenbrook
> Prevost Featherlite H3-45
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
_______________________________________________
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Unsubscribe or Change List Options:
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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