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07-28-2015, 08:54 AM
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#1
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Member
Winnebago Owners Club
Join Date: Dec 2013
Posts: 53
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Really Harsh Ride
Finally took the 2010 Sightseer 37L out on it's maiden voyage.
(NY to Tenn.) I was really surprise to feel how hard the ride was at a relativity low speed. At 62 miles per hour, even slight bumps cause a harsh / noisy shaking. The tires are set to the correct pressure. Could this be caused by worn front end parts, or that's just the way these ride.
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07-28-2015, 09:57 AM
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#2
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,500
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By " correct pressure " do you mean the pressure on the side wall , or on the coach manufacturer's decal on the interior wall, OR, have you taken the coach to get four corner weights and set the tire pressure according to the tire manufacturers inflation chart?
Getting corner weights and using the tire manufacturers charts is the first step in any , handling / ride, problem repair.
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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07-28-2015, 11:42 AM
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#3
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Senior Member
Join Date: Oct 2002
Location: Madison, MS
Posts: 10,527
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Quote:
Originally Posted by Skip426
By " correct pressure " do you mean the pressure on the side wall , or on the coach manufacturer's decal on the interior wall, OR, have you taken the coach to get four corner weights and set the tire pressure according to the tire manufacturers inflation chart?
Getting corner weights and using the tire manufacturers charts is the first step in any , handling / ride, problem repair.
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I agree. And it would be helpful if the OP would say which chassis he is driving.
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07-28-2015, 07:47 PM
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#4
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,982
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Inflate to mfgrs, tire placard stated air pressure. Those load/inflation charts are deceptive and misleading. The RMA=Rubber Manufacturers Association published a tire guide, of which, CH 4, pg 51 pertains to MH tires inflation pressure. Michelin, Goodyear, and many other brands are members of the RMA, their websites display the same tire inflation admonitions:
"_ However, never use inflation pressure lower than
specified by the vehicle tire placard, certification
label or owner’s manual."
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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07-28-2015, 08:26 PM
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#5
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Senior Member
Join Date: Jun 2011
Location: Bradenton, Fl.
Posts: 725
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Quote:
Originally Posted by Ray,IN
Inflate to mfgrs, tire placard stated air pressure. Those load/inflation charts are deceptive and misleading. The RMA=Rubber Manufacturers Association published a tire guide, of which, CH 4, pg 51 pertains to MH tires inflation pressure. Michelin, Goodyear, and many other brands are members of the RMA, their websites display the same tire inflation admonitions:
"_ However, never use inflation pressure lower than
specified by the vehicle tire placard, certification
label or owner’s manual."
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I'll second this. Always use the pressure that the NHTSA placard on the vehicle says.
__________________
Ray G.
ASE Master Med-Heavy Trucks
RVIA Certified
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07-28-2015, 09:08 PM
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#6
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Senior Member
Join Date: Jun 2010
Location: Anacortes, WA (Stick & Brick)
Posts: 2,643
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Bear in mind that underneath it all is a box truck and it will ride like one. Our 2002 F-53 did.
After pricing out all the various ride improvement mods, I realised that, if I did them all, I wouldn't be able to afford to use it for a couple of years. With a utilisation of about 4000 miles a year, we decided to live with it and drive more conservatively.
We finally sold it after realising we hadn't used it once in the 2014 season.
__________________
Frank Damp -Anacortes, WA,(DW- Eileen)
ex-pat Brits (1968) and ex-RVers.
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