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Front wheel bearing loosenesss and temp [message #283214] Sun, 26 July 2015 15:20 Go to next message
skip2 is currently offline  skip2   United States
Messages: 544
Registered: September 2011
Location: Winter Haven,FL (center o...
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Senior Member
Good afternoon,
I did my front wheel bearings about a year ago with new set 23's and seals, drilled for fittings ,and have been just checking for looseness anytime they where in the air. When I did the rebuild,the PO's widow gave me a bunch of parts with, what I thought was rebuilt knuckles and they measured right on specs. Have noticed the right is a little looser than the left when rocking top to bottom. About as loose as the standard type wheel bearings on the rears. The left has a little looseness but not near as discernable. Even did a temp check when we got back from a 100 mile run. My VOM has a temp probe and I held it on the right and got 114-115F and the left was 116-117F with it being 95F outside. Always been able to hold my hand on all the bearings, they are warm as you'd expect but no real discomfort to touch. Before someone asked, I just did the upper and lower ball joints and this extra looseness was there before I changed the balljoints. Just trying to determine if the temps and looseness sounds in line or do I need to check, I have a spare bearing set if I need to, and if I need a hub I'll cross that when I come to it. Also is there any CV boots out there other than Dormans. Mine seem to dry rot within 6 months. In the spare parts I got there were some that are of a harder rubber and real shiny, anyone familiar with these. As usual if you or any of your IM force, oops sorry having a 60's flashback, what I meant to say was as usual any comments or opinion are greatly appreciated. We may not always agree but this is still America where we have the right to disagree contrary to public opinion that that is not PC. But I have never been accused of being politically correct. Off my soapbox for now.
Skip Hartline


74 Canyon Lands, FiTech, 3.7 FD LSD, Manny Tranny, Springfield Distributor, 2001 Chevy Tracker Ragtop Towd
Re: [GMCnet] Front wheel bearing loosenesss and temp [message #283225 is a reply to message #283214] Sun, 26 July 2015 18:54 Go to previous messageGo to next message
USAussie is currently offline  USAussie   United States
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
Senior Member
Skip,

Comments in CAPS below for clarity, I'm not shouting.

Regards,
Rob M.
The Pedantic Mechanic


-----Original Message-----
From: Skip Hartline

Good afternoon,

I did my front wheel bearings about a year ago with new set 23's and seals, drilled for fittings ,and have been just checking for
looseness anytime they where in the air. When I did the rebuild,the PO's widow gave me a bunch of parts with, what I thought was
rebuilt knuckles and they measured right on specs.

I ASSUME YOU MEASURED THE ID OF THE BEARING BORES?

Have noticed the right is a little looser than the left when rocking top to bottom. About as loose as the standard type wheel
bearings
on the rears. The left has a little looseness but not near as discernable.

I WOULD SUGGEST YOU PUT YOUR FRONT END UP ON BLOCK, REMOVE THE WHEELS, ATTACH A DIAL INDICATOR TO THE SUSPENSION AND TOUCH THE DISK
AT 12:00 WITH THE TIP AND MEASURE THE PLAY IN AND OUT ON BOTH WHEELS.

Even did a temp check when we got back from a 100 mile run. My VOM has a temp probe and I held it on the right and got 114-115F and
the left was 116-117F with it being 95F outside. Always been able to hold my hand on all the bearings, they are warm as you'd expect
but no real discomfort to touch. Before someone asked, I just did the upper and lower ball joints and this extra looseness was there
before I changed the balljoints. Just trying to determine if the temps and looseness sounds in line or do I need to check, I
have a spare bearing set if I need to, and if I need a hub I'll cross that when I come to it.

I RECKON IF YOU DO THE ABOVE CHECK WE COULD MAKE A BETTER ASSESSMENT. IIRC JIMK CHECKS THE HUB / KNUCKLE ASSEMBLY AFTER THEY ARE
ASSEMBLED AT HIS SHOP.

Also is there any CV boots out there other than Dormans.
Mine seem to dry rot within 6 months. In the spare parts I got there were some that are of a harder rubber and real shiny, anyone
familiar with these.

WHAT COLOR ARE THEY? IF THEY ARE BLUE YOU GOT LUCKY THEY ARE INDESTRUCTIBLE!

As usual if you or any of your IM force, oops sorry having a 60's flashback, what I meant to say was as usual any comments or
opinion are greatly appreciated. We may not always agree but this is still America where we have the right to disagree contrary to
public opinion that that is not PC. But I have never been accused of being politically correct. Off my soapbox for now.
Skip Hartline


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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
Re: Front wheel bearing loosenesss and temp [message #283229 is a reply to message #283214] Sun, 26 July 2015 19:28 Go to previous messageGo to next message
skip2 is currently offline  skip2   United States
Messages: 544
Registered: September 2011
Location: Winter Haven,FL (center o...
Karma: 3
Senior Member
Can do the disc rock and check the e play. Are there any specs on how much is allowed since the play is multiplied because of the width of the disc . The boots I have are black . We're the blue the ones I 've heard called super boots and are they still available ?
Skip


74 Canyon Lands, FiTech, 3.7 FD LSD, Manny Tranny, Springfield Distributor, 2001 Chevy Tracker Ragtop Towd
Re: [GMCnet] Front wheel bearing loosenesss and temp [message #283236 is a reply to message #283229] Sun, 26 July 2015 20:25 Go to previous messageGo to next message
emerystora is currently offline  emerystora   United States
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Registered: January 2004
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The last blue Super Boot that I ever saw was one I shipped to Rob Mueller sever years ago.

NAPA used to sell them. They were made of polyurethane and remained strong and flexible.

Emery Stora
77 Kingsley
Frederick, CO

> On Jul 26, 2015, at 6:28 PM, Skip Hartline wrote:
>
> Can do the disc rock and check the e play. Are there any specs on how much is allowed since the play is multiplied because of the width of the disc .
> The boots I have are black . We're the blue the ones I 've heard called super boots and are they still available ?

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Re: [GMCnet] Front wheel bearing loosenesss and temp [message #283245 is a reply to message #283236] Sun, 26 July 2015 23:14 Go to previous messageGo to next message
USAussie is currently offline  USAussie   United States
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
Senior Member
Emery,

That Mueller guy got lucky as MikeB sold him a pair! That pair are installed on The Blue Streak; the one he got from you is also
here in Sydney as a spare - in case of a catastrophic failure in the Outback!

He got REALLY lucky and found a used pair on a couple of scrapped axles down at the Coop back in 2008. JimB GAVE them to him FOC
and they got installed on Double Trouble.

Regards,
Rob M.
The Pedantic Mechanic

-----Original Message-----
From: Emery Stora

The last blue Super Boot that I ever saw was one I shipped to Rob Mueller several years ago.

NAPA used to sell them. They were made of polyurethane and remained strong and flexible.

Emery


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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
Re: [GMCnet] Front wheel bearing loosenesss and temp [message #283246 is a reply to message #283229] Sun, 26 July 2015 23:18 Go to previous messageGo to next message
USAussie is currently offline  USAussie   United States
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
Senior Member
Skip,

Not that I know of, however, I would get the dial indicator as close to the bearings as possible and along with checking the disk
top / bottom rock try pulling and pushing straight in and out. I KNOW that's not going to be easy but give it a go. Pull on the
front and rear of the disk instead of the top and bottom.

If you do both the left and right maybe it will tell us something.

Regards,
Rob M.
The Pedantic Mechanic

-----Original Message-----
From: Skip Hartline

Can do the disc rock and check the e play. Are there any specs on how much is allowed since the play is multiplied because of the
width of the disc .
The boots I have are black . We're the blue the ones I 've heard called super boots and are they still available ?
Skip



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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
Re: Front wheel bearing loosenesss and temp [message #283295 is a reply to message #283214] Mon, 27 July 2015 13:34 Go to previous message
wally is currently offline  wally   United States
Messages: 643
Registered: August 2004
Location: Omaha Nebraska
Karma: 5
Senior Member
skip2 wrote on Sun, 26 July 2015 15:20
Good afternoon,
I did my front wheel bearings about a year ago with new set 23's and seals, drilled for fittings ,and have been just checking for looseness anytime they where in the air. When I did the rebuild,the PO's widow gave me a bunch of parts with, what I thought was rebuilt knuckles and they measured right on specs. Have noticed the right is a little looser than the left when rocking top to bottom. About as loose as the standard type wheel bearings on the rears. The left has a little looseness but not near as discernable. Even did a temp check when we got back from a 100 mile run. My VOM has a temp probe and I held it on the right and got 114-115F and the left was 116-117F with it being 95F outside. Always been able to hold my hand on all the bearings, they are warm as you'd expect but no real discomfort to touch. Before someone asked, I just did the upper and lower ball joints and this extra looseness was there before I changed the balljoints. Just trying to determine if the temps and looseness sounds in line or do I need to check, I have a spare bearing set if I need to, and if I need a hub I'll cross that when I come to it. Also is there any CV boots out there other than Dormans. Mine seem to dry rot within 6 months. In the spare parts I got there were some that are of a harder rubber and real shiny, anyone familiar with these. As usual if you or any of your IM force, oops sorry having a 60's flashback, what I meant to say was as usual any comments or opinion are greatly appreciated. We may not always agree but this is still America where we have the right to disagree contrary to public opinion that that is not PC. But I have never been accused of being politically correct. Off my soapbox for now.
Skip Hartline

This is what I use for a baseline and change check. Dail indicator on the outside of the rim to the ground, wheel in the air. Tip the wheel in and out. Everything moves so its kind of a guess what it really measures but I'm getting around .020" Previous we had one side that went from .040 to .080 over time. A reman hub and bearing got it back. Maybe this won't tell if your headed for a catastrophic failure but at least you know if something is changing.
http://www.gmcmhphotos.com/photos/power-level-valve-fitting/p58781-front-wheel-bearing.html
hth


Wally Anderson
Omaha NE
75 Glenbrook
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