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06-13-2020, 08:32 PM
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#1
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Junior Member
Join Date: Jul 2017
Posts: 11
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Light smoke/burning smell/clicking noise
I'm looking for any thoughts on what could cause the smoke/burning smell/clicking noise we experienced yesterday while driving on a 2 lane highway at 55mph?
So we were on the final 6 miles of our trip from Michigan to the Salt Springs Rec Area in Florida and I thought I must have driven over some of those bumps they use on the freeway to alert drivers who wander off the road, but not as violent. DW said she smelled burning rubber.
Stopped coach and examined left front tire. Noticed smoke disapating from under left side behind wheel when approaching from rear, but it immediately cleared as I looked underneath.
Upon examining tire (2014's), I noticed several significant flat spots on outboard side of tread, but crown and inboard seemed fine. Weird. Still holding pressure (fortunately), so limped to campground at 25mph for the final 6 miles. No issues, but noticed sight buzzing noise again over 35mph.
Lifted wheel of ground today at campsite: all linkages appeared tight. Wheel seems to have no play, although everything is so big it's tough to tell...
Having AAA change tire to spare tomorrow-hopefully that does it.
Any other ideas?
We have an '06 Georgieboy Pursuit. 32 ft. Ford chassis.
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06-13-2020, 08:46 PM
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#2
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Senior Member
Monaco Owners Club
Join Date: Jan 2020
Posts: 1,344
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Stuck drum or pad from the brakes?
Could also be some rubber got up in the drum or near the pad and roter.
Those thing get hot when driving.
__________________
New to us 2000 Monaco executive 40 500hp tag
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06-13-2020, 08:47 PM
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#3
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Senior Member
Monaco Owners Club Workhorse Chassis Owner
Join Date: Aug 2002
Location: Clovis, CA, USA
Posts: 13,149
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I suggest getting an IR gun and shooting the tires and brakes after driving a bit.
You need to find out for sure where the heat is coming from.
How many fire extinguishers do you have and have you ever checked your existing original one?
Had two tires blow out at the same time on a trailer years ago, almost caught fire but hit them with my fire extinguisher. I now carry five extinguishers.
__________________
2004 Monaco La Palma 36DBD, W22, 8.1, 7.1 MPG
2000 LEXUS RX300 FWD 22MPG 4020 LBS
Criticism is easier than Craftsmanship
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06-13-2020, 09:53 PM
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#4
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Senior Member
Join Date: Aug 2019
Location: MN
Posts: 2,813
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Not counting the smoke, this sounds exactly like when I had a tire internal belt snap.
__________________
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1993 Rockwood 28' Class C - Ford E-350 7.5L
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06-13-2020, 10:11 PM
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#5
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Senior Member
Join Date: Jan 2018
Location: Capistrano Beach, California
Posts: 4,465
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Quote:
Originally Posted by Bobby F
Not counting the smoke, this sounds exactly like when I had a tire internal belt snap.
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Agree^^, seems to be an internal break down/separation of the tire plies.
__________________
Larry, Eileen, and Finley
2004 Alpine 36FDDS
Third motor home, first Alpine, no need for another.
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06-14-2020, 05:24 AM
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#6
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Junior Member
Join Date: Jul 2017
Posts: 11
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Thank you all. Good thoughts. We have an extinguisher, no IR gun but a good idea. We'll change the tire and pray...
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06-14-2020, 07:58 AM
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#7
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Senior Member
Join Date: Apr 2012
Location: Louisville, KY
Posts: 1,416
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Extinguishers need to be maintained. Turn upside down and bang on the bottom part with the flat of your hand 5-10 times (the powder settles, you need to break it up). Make sure it has pressure. Agree Carry several.
I almost lost my car (toad) due to flames coming from overheated brakes. Extinguisher saved it.
__________________
- 2017 Newmar London Aire -
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06-15-2020, 02:54 PM
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#8
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Junior Member
Join Date: Jul 2017
Posts: 11
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Update: problem is apparently in the joint between the trans and drive shaft - excessive play u/d i/o. Will have Walt's Brakes mechanic in Ocala tear into it on Thurs. Heat/smoke apparently came from parking brake band contacting rotating drum on shaft.
Will know more Thurs.
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07-04-2020, 06:19 PM
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#9
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Junior Member
Join Date: Jul 2017
Posts: 11
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Repair complete. RV successfully back to Michigan. Wallet $2500 lighter....
Apparently the parking brake hub is on backorder from Ford, so the shop needed to do a national search, finding one in Minnesota, and overnight ship.
New problem: coach now starts to shake/vibrate at about 68mph. I'm thinking it has to do with the newly installed brake hub on the drive shaft as that's really the only thing that's changed, plus the frequency is significantly higher than the tire rotation frequency. Has anyone ever gotten a prop/drive shaft balance? I'll be asking our local ford dealer if they do this, then brace myself for the cost, but the alternative is to run with the imbalance and risk a drive shaft joining me in the cabin...
Thoughts??
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07-04-2020, 06:27 PM
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#10
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,486
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If the shop didn't get the drive shaft sections , properly aligned , ( slip joint out by one spline ) that could cause a vibration.
First place I'd be looking. 
Google " two piece drive shaft alignment " I'm sure there'll be a video. 
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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07-04-2020, 08:32 PM
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#11
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Senior Member
Join Date: Jul 2014
Posts: 35,439
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Its called drive shaft phasing.
Google it and compare to yours.
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07-04-2020, 08:34 PM
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#12
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,486
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Quote:
Originally Posted by twinboat
Its called drive shaft phasing.
Google it and compare to yours.
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13 years retired , and I'm already forgetting stuff ..  go figure.
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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07-05-2020, 06:00 AM
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#13
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Junior Member
Join Date: Jul 2017
Posts: 11
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Ok. I now understand the prop-shaft phasing phenomena. Thanks for the direction.
Question: since all the repair shop did down in Florida was replace the parking brake hub, how could the U-joint alignments be impacted? Thinking to myself here, I suppose they would have had to drop most of the shaft to install the hub, so could that have caused a misalignment? I would think there is minimal/no adjustment on the bearing attachments to the frame....
Regardless, your input suggests a dealer visit is necessary as I do not have access to the equipment to do the check.
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07-05-2020, 07:13 AM
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#14
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Senior Member
Join Date: Sep 2018
Location: Fort Myers, FL
Posts: 1,694
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Did the cupped tire get changed with the spare?
Was the spare balanced?
__________________
2008 Phaeton 36QSH, Safe-t-Plus, Quadra Bigfoot
2017 Jeep Cherokee Trailhawk w/ flat tow wiring mod.
Blue ox, BrakeMaster + BrakeAway, diode lights and charge.
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