Bouncing like crazy
Mountain Pass
Joined: Apr 2016
Posts: 212
Likes: 46
From: North Dallas
I know that stretch of road very well. I could only go 55mph in that area both North bound and South Bound because the bucking was that bad in my 2010 but in my 03 I could keep up with the speed of traffic.
More Turbo
Joined: Feb 2006
Posts: 601
Likes: 86
From: Colorado Springs, CO
What I want to know, is it a known issue by Ford? Was there ever a TSB or recall? We need to solve this somehow.
Mountain Pass
Joined: Jun 2022
Posts: 120
Likes: 12
From: South East
Interesting read..
2 weeks ago I took my 2002 7.3 CC LB DWD 4x4 from orlando to the Ozarks to pick up a 25 foot 5th wheel.
When ever I hit those short expansion joints all hell broke loose.
It was crazy bucking. The bed weight was 900 pounds with a pull of 5,700 pounds.
Found if I ran faster it would minimize the buck. 65 mph.
When i got back and evaluated, i thought i was running with to high of presure in tires at 70 pounds. Making them bounce.
probably should have run at 55pounds approx. But not sure that would help.
The extra weight did zilch to help me.
But it's clearly an oscillation of road verses length of truck.
2 weeks ago I took my 2002 7.3 CC LB DWD 4x4 from orlando to the Ozarks to pick up a 25 foot 5th wheel.
When ever I hit those short expansion joints all hell broke loose.
It was crazy bucking. The bed weight was 900 pounds with a pull of 5,700 pounds.
Found if I ran faster it would minimize the buck. 65 mph.
When i got back and evaluated, i thought i was running with to high of presure in tires at 70 pounds. Making them bounce.
probably should have run at 55pounds approx. But not sure that would help.
The extra weight did zilch to help me.
But it's clearly an oscillation of road verses length of truck.
Thread Starter
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Cross-Country
Joined: Sep 2015
Posts: 90
Likes: 2
Drive today with 400# in the bed, right at the tailgate. Ride was definitely better, but still quite bouncy. Again, this truck does NOT have the TSB fix of that rubber gyroscope thing on the hitch. Tires are 55#. No noticable bouncing on black top roads at the same speed. Only new it newer concrete highway.
Mountain Pass
Joined: Apr 2016
Posts: 212
Likes: 46
From: North Dallas
Excellent results for your first test run. Now you can start to move your 400lbs load forward anywhere from 6 inches to a foot at a time and see where the truck rides the best. Next item to look at is your shocks. If you are running the stock Rancho 5000s you may want to consider installing a better shock.
Thread Starter
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Cross-Country
Joined: Sep 2015
Posts: 90
Likes: 2
Excellent results for your first test run. Now you can start to move your 400lbs load forward anywhere from 6 inches to a foot at a time and see where the truck rides the best. Next item to look at is your shocks. If you are running the stock Rancho 5000s you may want to consider installing a better shock.
Mountain Pass
Joined: Apr 2016
Posts: 212
Likes: 46
From: North Dallas
Both of those are way better than the Rancho 5000s so you are looking good. Yes I can admit I have been very interested in the Fox shocks.
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Cross-Country
Joined: Sep 2015
Posts: 90
Likes: 2
So just an update for everyone. Did around 150 mile trip a day or so ago. On asphalt, at 80ish no bouncing at all. On concrete, same speed the same terrible bounce came back. 65psi in the tires, unloaded bed. Seems to be just on the concrete sections of the freeway that give me the issues.
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TractorM3
1999 - 2016 Super Duty
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Apr 1, 2009 06:20 AM