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Old 05-10-2020, 07:18 PM   #1
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Location: Morganton NC
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Coachhouse Platinum 271 & 272

I have a 271 2011 model and it seems to have the feeling when driving of front end drifting. It has new tires (500 miles) I just had the front end alignment done, but I still feel the drifting feeling. I have a liquid springs sys on it for the rear wheels.
Iíve heard of people saying that the caster should be move to +5 from the original caster set at the Ford factory of +3.
What change does this make on the vehicle handling? Please let me know.
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Old 05-10-2020, 10:37 PM   #2
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Short answer, it helps the rig trac straight instead of wandering. Lot of discussions about this on the Ford Motor chassis section of this forum
2013 Coach House 261XL QD Banks
SafetyPlus steering, Centramatic, TSTint TPMS, Dish
Sacamento, CA
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Old 05-10-2020, 11:09 PM   #3
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Weigh the coach and get front and rear axle weights, loaded as you would normally travel, then adjust tire pressure to manufacturer specs per inflation chart.
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Old 05-11-2020, 07:12 AM   #4
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On my 2011 E350 Chateau having the caster set to the +5 range stopped the wander. It also helped some with big rigs passing.
2014 Leprechaun 290QB
Chevy 6.0
2015 GMC Terrain
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Old 05-11-2020, 03:03 PM   #5
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Ok, I’ll try your Ideas, thanks again.
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Old 05-11-2020, 06:50 PM   #6
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Are you new to this rig? If so, have you had it out on a windy day? If not, try a test drive in those conditions. If the rear end gets pushed around, a rear trac-bar helped mine. You could get that done as the same time as the caster reset.
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Old 07-18-2020, 10:55 PM   #7
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This just happened to me. Brand new (to me) 2019 Coach House, drove like a dream. Husband bottomed out twice at one gas station while turning the wheel sharply. After that, steering drift, bouncing ride. Figured he knocked it out of alignment. At next stop found an alignment shop. The mechanic raised it on the lift and, sure enough the alignment was fine. Cambers fine, but the steering assist had been jostled out of place. He loosened a bolt and the thing went back into place. He retightened the bolt and wouldnít charge me. I forced a few bucks on him for his customer service rather than the labor. He is in Nampa, ID.
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