update to bump steer
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Freshman User
Joined: Jun 2006
Posts: 34
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From: Waco Texas
update to bump steer
I have bump steer in my 2017 F250 4WD gas with 6000 miles. The dealer could not solve the problem. I requested that a Ford Rep drive the truck. I left the truck at the dealer and the ford rep and the service manager took it for a ride. The result is that there was no problem. I have owned three F250,s before this one. None of them had a bumpsteer. I guess when Ford does not know how to fix an issue they decide that everything is OK. I did at my expense install the Fox stabilizer and that took most of the bumpsteer out. It is a shame that you can buy a new truck and a 100,000 mile warranty and you have to install aftermarket parts to make it drive like it should. I believe there is something still not quite right but I know that it is useless to take it back to the dealer. Any ideas?
More Turbo
Joined: May 2018
Posts: 590
Likes: 32
Go get your alignment checked at a reputable shop. (Or convince your dealership service department to do this for you, shouldn't be an issue if its unmodified and under warranty). Tell them you want to see a printout with specs (specifically caster values).
You likely don't have enough caster. They can come off the assembly line without enough caster. When my 2018 was a few weeks old I took it into the dealership to have the alignment checked and they added 1* caster cams to my new/stock truck at their own recommendation.
You likely don't have enough caster. They can come off the assembly line without enough caster. When my 2018 was a few weeks old I took it into the dealership to have the alignment checked and they added 1* caster cams to my new/stock truck at their own recommendation.
Senior User
Joined: Aug 2018
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From: Driftwood, TX
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Elder User
Joined: Apr 2017
Posts: 682
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From: SF Bay Area
Mine does not bumpsteer, however it does slightly drift right.
When I had lowered rear blocks installed I had them put it on alignment rack and all was in factory spec. Next time I rotate I’ll have it looked at again and maybe adjust.
When I had lowered rear blocks installed I had them put it on alignment rack and all was in factory spec. Next time I rotate I’ll have it looked at again and maybe adjust.
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Joined: Oct 2015
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From: Wyoming
I had a couple cases of bump steer (aka Death Wobble?) that went away when I installed new shocks (Rancho 9000XL). I also had it once after the install of the new shocks when I had them set too low, at a setting of 3 or 4 out of 10.
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Freshman User
Joined: Jun 2006
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From: Waco Texas
I got the dealer to reset the caster to 3.5 degrees positive. It helped the bump steer some. It would bumper steer if just one of the front wheels hit a bump or if both wheels hit at the same time. Now it only does it when I hit a bump with both wheels. It is the worst when I am driving 70 mph or more. The speed limits around here are up to 75 mph in places. When I bought the truck new it came with Goodyear wrangler with Kevlar tire. I have tried lowering the pressure some but that did not help. The tires are 18 inch E rated. I guess I might have to live with this problem. I have had several ford f250 trucks and none ever drove this bad.
Fleet Mechanic
Joined: Dec 2012
Posts: 1,563
Likes: 533
From: DFW
^^^ Very true
Bump steer is an inconvenient driving characteristic that can be resolved fairly efficiently. Death Wobble is one of those life moments where you remember when and where it exactly took place the first time (because as an adult, you had to change your pants) and it's a very complicated imbalance of front end steering and suspension components that takes an expert to remedy (in most cases).
Bump steer is an inconvenient driving characteristic that can be resolved fairly efficiently. Death Wobble is one of those life moments where you remember when and where it exactly took place the first time (because as an adult, you had to change your pants) and it's a very complicated imbalance of front end steering and suspension components that takes an expert to remedy (in most cases).
Laughing Gas
Joined: Aug 2002
Posts: 896
Likes: 12
From: Kenna,wv
Our 2018 with 2600 miles has some bump steer. Stock 20" tires. Dealer installed a leveling kit and honestly it may have added a bit more bump steer than stock but I am used to it now. I plan on doing the Fox stabilizer just to make it better.
But I agree- the wheel shouldn't go back and forth when hitting joints on the interstate. I didn't ask the dealer the alignment specs when they leveled it with 500 miles on the truck. The had it on the alignment rack twice before they gave it to me. Otherwise, it steers and tracks as new.
But I agree- the wheel shouldn't go back and forth when hitting joints on the interstate. I didn't ask the dealer the alignment specs when they leveled it with 500 miles on the truck. The had it on the alignment rack twice before they gave it to me. Otherwise, it steers and tracks as new.
Fleet Mechanic
Joined: Dec 2012
Posts: 1,563
Likes: 533
From: DFW
I got the dealer to reset the caster to 3.5 degrees positive. It helped the bump steer some. It would bumper steer if just one of the front wheels hit a bump or if both wheels hit at the same time. Now it only does it when I hit a bump with both wheels. It is the worst when I am driving 70 mph or more. The speed limits around here are up to 75 mph in places. When I bought the truck new it came with Goodyear wrangler with Kevlar tire. I have tried lowering the pressure some but that did not help. The tires are 18 inch E rated. I guess I might have to live with this problem. I have had several ford f250 trucks and none ever drove this bad.