|
06-07-2012, 08:24 AM
|
#1
|
Senior Member
Freightliner Owners Club Overland Owners Club
Join Date: Sep 2011
Location: Mid-Missouri
Posts: 889
|
Glazed Brakes and Other Brake Issue
So, the other week I decided to check out my brakes.
1998 Overland Larado 42' DP w/ 8.1L Cummins, 6-speed Alison Tranny, Freightliner Chassis w/ air brakes.
A few weeks before we were coming back from a weekend trip, pulling our Camry on a car hauler. Went to do a semi-quick stop at a major intersection when the light turned. I STOOD on the brakes and we rolled about 10' into the intersection. No contact (delayed light) and backed up to clear the intersection.
Coach is equipped with jake break and the previous owner "loved" to use it. I figured out, after reading posts here, that my brakes could be glazed. So, time to dig in and check them out.
RV is on leveling jacks on concrete. Used a 12-ton bottle jack to raise right front tire, removed tire, pulled drum, and sanded glaze off of drum and shoes. Drum looked good and lots of pad left on the shoes. Checked adjuster travel and greased all zerts on that side. Polished aluminum rim
(2 hrs) and replaced tire. Torqued the lugs (borrowed wrench) and one side done.
Repeated process on the left side, but found a set nut on the brake adjuster rod was loose. Tightened it down and had to adjust the travel a bit (per manual). Greased all the zerts, polished the rim, replaced tire and torqued.
Took it out over Memorial Day weekend and the brakes are a lot better than before. We were towing the Camry on a dolly this time. Made a few test quick stops and they gripped well.
No cost to me, except my time and the cost of a can of "Mothers" rim polish.
Now to find the time to do the rears (and those dual tires).
Mike
__________________
Mike and Carla
1998 42' Overland Larado Diesel Pusher
On the road - here and there - Full Timing
|
|
|
|
Join the #1 RV Forum Today - It's Totally Free!
iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!
You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!
|
06-07-2012, 10:00 AM
|
#2
|
Senior Member
Ford Super Duty Owner
Join Date: May 2010
Location: Pensacola Fl
Posts: 667
|
I am impressed at jacking, removing/installing the wheels & lug nuts!!!
|
|
|
06-07-2012, 10:05 AM
|
#3
|
Senior Member
Join Date: Aug 2011
Posts: 119
|
Great job!
Only thing I would recommend would be to have the rear drums turned and trued when off.
They tend to "hot spot" and no amount of sand paper scuffing will help that! Again jmo
__________________
2005 chevy silverado 2500hd 6.0L
2011 palomino sabre 32 bhok-6
Ron and Amy Benhart
|
|
|
06-07-2012, 10:10 AM
|
#4
|
Senior Member
Join Date: Jun 2006
Location: Dallas,OR
Posts: 4,584
|
Check internet for the reason for glazed brakes. IMHO it comes down to driving style. I think it is timf for new brakes all around. Turn the drums at the same time. Then evaluate your braking style.
__________________
Don and Lorri
Resident Dummy.
|
|
|
06-07-2012, 11:28 AM
|
#5
|
Senior Member
Ford Super Duty Owner
Join Date: May 2010
Location: Pensacola Fl
Posts: 667
|
Drums or rotors???
|
|
|
06-07-2012, 11:45 AM
|
#6
|
Senior Member
Join Date: Aug 2011
Posts: 119
|
Quote:
Originally Posted by mccsix
Drums or rotors???
|
Should have drums.
Even if it was rotors id do the same.
__________________
2005 chevy silverado 2500hd 6.0L
2011 palomino sabre 32 bhok-6
Ron and Amy Benhart
|
|
|
06-07-2012, 11:59 AM
|
#7
|
Senior Member
Freightliner Owners Club Overland Owners Club
Join Date: Sep 2011
Location: Mid-Missouri
Posts: 889
|
Drums all around.
Compaired drums to pictures in the service manual. There are no hot spots are heat stress cracks. From what I could see, the only issue was light glazing.
As I said, PO used the exhaust brake ALL THE TIME.
__________________
Mike and Carla
1998 42' Overland Larado Diesel Pusher
On the road - here and there - Full Timing
|
|
|
06-07-2012, 12:14 PM
|
#8
|
Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
|
According to Freightliner they way to take the glaze off is to find as deserted strip[ of road, take the unit up to 45 or so and stand on the brakes (just short of lockup or activating the ABS). Do this about 10 times and the brakes will be fine. This will as adjust the slack adjusters.
Did it on our 2000 DSDP and it worked fine. Have never needed it on our presents 2002 DSDP/Spartan.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
|
|
|
06-07-2012, 01:36 PM
|
#9
|
Senior Member
Ford Super Duty Owner
Join Date: Oct 2010
Posts: 534
|
Any ideas on what would be average brake life? My Newmar has about 68k and I am the second owner. I do not have any records indicating that the brakes have ever been serviced. I was thinking about having the brakes done now since I am not aware of any problems.
Does 68k sound reasonable?
Thanks,
Dave
__________________
Dave and Anita
Two empty-nesters
2019 Sunseeker
|
|
|
06-07-2012, 03:17 PM
|
#10
|
Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,678
|
Most motorhomes never need new brake shoes/pads. They just don't get driven hard enough or far enough to wear them out. At 68k you probably don't even have noticeable wear. You are probably good for 150k-200k miles.
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
|
|
|
06-08-2012, 08:42 AM
|
#11
|
Senior Member
Freightliner Owners Club Overland Owners Club
Join Date: Sep 2011
Location: Mid-Missouri
Posts: 889
|
I had read about the "hard brake" method of de-glazing. That is an issue when you live in your rv full-time with all your "stuff" inside.
A 45mph hard brake will make everything shift. The dishes/glasses in the cabinets don't appreciate banging into each other. I know in an emergency stop, or forbid, an accident, things will get broken. Don't wnat to break stuff just because.
Apparently my remove, check, sand and replace method works, too. Also gives me the oppertunity to inspect the drums, shoes and mechanisms. I wouldn't have found the loose nut without taking the wheels off. Not to mention making it easier to polish up the rims.
__________________
Mike and Carla
1998 42' Overland Larado Diesel Pusher
On the road - here and there - Full Timing
|
|
|
06-08-2012, 01:14 PM
|
#12
|
Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,451
|
Don't forget to re-torque the wheels; very important with alloys. Do the rears at least 3 times if you have them off. Check with the wheel manufacturer, on torque amount and re-torque requirement.
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
|
|
|
06-08-2012, 06:28 PM
|
#13
|
Senior Member
Freightliner Owners Club
Join Date: Apr 2002
Location: Pensacola
Posts: 2,728
|
Mike: Sounds like you are doing it right...
The burnishing brakes is most effective for getting rid of squealing brakes or to "Bed in" new brakes. If the brakes are badly glazed, the burnishing (hard stop) may not work but again, it may -and so- might be worth a try. Procedure is here: RV Tech Library - Burnishing Squeeling Brakes
Only the final brake applications are fairly firm and even then I try to save the dishes and avoid emptying the overhead cabinets....
I also use the PAC Brake but try to remember to occasionally use the service brakes firmly on an off ramp to clean the shoes and clunk the slack adjusters.
Hope this helps..
__________________
Hooligan, Pensacola, Fl -U.S. Coast Guard 1956-1985
2016 Thor Siesta Sprinter 24ST diesel -1972 Moto Guzzi
2008 Suzuki Grand Vitara TOAD
|
|
|
06-11-2012, 06:17 PM
|
#14
|
Senior Member
Join Date: Apr 2012
Posts: 1,414
|
Works on big rigs, a cup of cleanser (dry) layed at the bottom of the drum between the shoes, then do a few quick stops. This will solve noisy chattering and glazed brakes for a time but---- a glazed shoe has been overheated and will always glaze as the adhesive holding the lining material together (not to the shoe) has been overheated and liquified. this adhesive will migrate to the surface of the shoe and glaze again. In a previose life I had made linings for trucks, tractors and bands for cranes, all with glazing problem!!!!
__________________
Dave and Laura & two cats
02 Discovery with Accord toad
retired auto rv tech and teacher, wife rt nurse
|
|
|
|
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
|
|
Posting Rules
|
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
HTML code is Off
|
|
|
|
» Recent Discussions |
|
|
|
|
|
|
|
|
|
|
|
|
|