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2010 Ford Fusion oversteer


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Charlymich
User

Aug 11, 2018, 8:56 PM

Post #1 of 16 (172 views)
  post locked   2010 Ford Fusion oversteer  

2010 Ford Fusion 2.5 FWD: when turning all the way to the left wheels stop turning about 2" before tire gets to control ar. This is normal. When turning to the right the tires keep turning until the rear of the tire touches the control arm. I think it would keep on turning if the control arm wasn't there. I looked for a physical stop and couldn't find one on either side. I think the stop must be in the steering rack, unless I overlooked a stop at outer suspension. All steering and suspension functions great otherwise. Any ideas what is going on here?


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 12, 2018, 2:00 AM

Post #2 of 16 (166 views)
  post locked   Re: 2010 Ford Fusion oversteer  

1st I take it this had correct sized wheels and tires? Next is what was done recently for any repairs if any to steering and suspension?
Of course if shouldn't do that otherwise it's had be in line like about anything from centering steering wheel on down till it meets the rack either incorrectly installed or a collision/accident damage not fixed properly.


It needs a full professional inspection and alignment to know just where and or why this does that and it isn't right,


T



Charlymich
User

Aug 12, 2018, 5:07 AM

Post #3 of 16 (151 views)
  post locked   Re: 2010 Ford Fusion oversteer  

Wheels are correct. This car was bought a couple months ago by young son in law from somebody who's father maintenaced it. Just after purchace I tuned and repaired couple of leaks and inspected. No suspension work by us. I didn't think to look for shiny or stripped bolts, but everything is tight. So do you know if the stopsare in the rack?


Tom Greenleaf
Ultimate Carjunky / Moderator
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Aug 12, 2018, 5:20 AM

Post #4 of 16 (149 views)
  post locked   Re: 2010 Ford Fusion oversteer  

? Stops? That is either rack or stops you are familiar with OR both. It isn't right is the point now. It shouldn't be able to do that so what broke or bent? You or now this "young" person/driver may have hit something and may not want to discuss it?
Wouldn't matter it's not right, you don't see the reason so need this professionally inspected. Wheels that car turn outside of set limits for any reason you just can't ignore that.
I could guess all day long isn't going to help this is wrong and could be very unsafe until it's found out why and fixed not everything is going to happen via a forum can't compete with in person inspection of a problem like that,


Tom



Charlymich
User

Aug 13, 2018, 6:15 AM

Post #5 of 16 (130 views)
  post locked   Re: 2010 Ford Fusion oversteer  

Something is responsible for stopping the wheels from turning too far. I have seen vehicles with rubber stops on the suspension. I couldn't find that kind of stop on this vehicle. So I am assuming that something in the rack is supposed to provide this function. So I'm asking this forum if anyone is familiar with this rack. Is there a limit in it to prevent oversteer? If I can get some kind of confirmation on that, then I will just replace rack. And have it aligned.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 13, 2018, 9:29 AM

Post #6 of 16 (117 views)
  post locked   Re: 2010 Ford Fusion oversteer  

You are correct there is a hard method to stop the steering at the end of intended travel. I just admit I can't know each vehicle's way for sure, many you see it metal hits metal of lower control arms is shiny there or rusted if someone hits it all the time talk to the driver!
Don't force steering when it comes to the end the pressure in ps pumps can go wild in most not good for things. This is different in that one side is different and the rack isn't ruled out yet by me.
That can be how rack is mounted, how it was hooked up or mounted or something is missing or bent more likely if you know for sure it didn't do this earlier.
I've never personally owned the full blow best alignment machines and suggest you go do that just anyway. Tech should be checking a whole list of things that have to be correct or it isn't ready for an alignment.
You might see something if you just hoisted front wheels, engine off with key so you can turn steering by the shaft under-hood count turns from where steering wheel was on center to where it stops all by hand no force from power steering.
Yes on rubber things for when most vehicles bottom out so it isn't a metal bending crunch as likely if it hit something that hard.
I've personally been in a vehicle (doesn't matter what type at all) that was bent so bad it couldn't steer as far one way as the other - that was a super hard hit bent things car was totaled. It's not right and sorry I can't know more would be inspecting it in person not more guessing on this one it's NOT right and IMO any repair now would need the alignment anyway so why not kill two birds here with one stone type thing and let that tech find out why but bring it up!


T



Charlymich
User

Aug 13, 2018, 11:08 AM

Post #7 of 16 (115 views)
  post locked   Re: 2010 Ford Fusion oversteer  

Your right. I overlooked 2 things. First, I forgot that initial inspection is fee at alignment shop. Second my train of thought. I used to work in a shop and it would be unacceptable to take a vehicle to align if it isn't alignment ready. I'm not in a shop now and don't have the resources or experience to do that in this case. So I'll stop wasting time and let them do it for free. Thanks for the wake up. I'll consider this resolved.


Hammer Time
Ultimate Carjunky / Moderator
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Aug 13, 2018, 12:12 PM

Post #8 of 16 (109 views)
  post locked   Re: 2010 Ford Fusion oversteer  

In 50 years in this business I have never seen a rubber stop. Most cars have a nub sticking out on the lower control arm that makes contact with the nub on the knuckle. Even if there is nothing there, every rack stops at some point.

I really don't understand what you are worried about here. If you are not getting a full cut from one side, I would guess that someone either installed a rack or had that one disconnected for some reason and didn't center it when they reinstalled the coupler. If it's a splined coupler, that is very possible.

Start with the wheel straight ahead and count the turns in each direction.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Aug 13, 2018, 12:15 PM)


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 13, 2018, 12:13 PM

Post #9 of 16 (107 views)
  post locked   Re: 2010 Ford Fusion oversteer  

Charliemich: It seems "dangerous" to me to ignore this is 99% of my problem. This just shouldn't be like that. It almost isn't in alignment not much is. Ideas, go with a full tank of gas or load in vehicle that is very normal. Check now that tires match brand and size so much the better. Save them time and mistakes you could also use a coin trick to check treadwear existing and tire pressure to specifications listed frequently right on door jams, owner's manuals. It might not be the same front to rear? Smile > while at it check the tire pressure in spare tire while doing that too nobody checks those do road calls they are always flat or way too low. Mark the date you checked it use a silver Sharpie can remove that with paper towel with carb cleaner sprayed on towel not at the tire.


OMG now some chat: So freaking long ago now full blown full time tech school was 5 star. Those metal stops that were common we were told be nice and put a smear of lube on those the would quit creaking if turned fully and a bump most would do. Mark things (removable tire marker) inside tires where they were and under-hoods what was done date and miles it too removes same way as said but doesn't just wash off. Mark tire rotation miles and follow suggestions in manual or if tires on it are directional (will have arrows and say it or always used to) follow that otherwise every other mark down they went front to rear same side or cross rotated choose an abbreviation.
You are doing stuff so while a wheel is off at least glance at brake wear. Spray lube flare nuts to parts you may be at and if hubs come off or not a smear of lube save beating them to death if stuck with corrosion later. Silly stuff really takes no time but saves tons later.
Refresh: I didn't think this was safe so saving buck is not in anyone's interest is why most folks come by. Please free or not don't cut off your nose to spite your face over a buck it's a car/vehicle, by nature dangerous.


Last: Torque lug nuts! In order staggering pattern for final torque don't use air tools unless with torque sticks putting lug nuts back on with those not worth it for most folks.


Good luck,


Tom



Charlymich
User

Aug 13, 2018, 1:07 PM

Post #10 of 16 (100 views)
  post locked   Re: 2010 Ford Fusion oversteer  

Clarification: I do not not ever intended on ignoring this issue. My final intention was to bring it to an alignment shop so they can determine why the left front tire is rubbing on the control arm. If it is an alignment problem they will align and tire will not rub. If it is a faulty rack, I will replace rack and have it aligned, problem solved. Tires are good and right size. Full inspection showed all suspension is tight. I had to do pads and rotors on 4 corners, and RR caliper. Last person that did brakes didn't clean guides for pads and I assume didn't lube them. It was many years ago I saw rubber stops I believe it was on a large truck if my memory serves me right ( sometimes it doesn't). It was hard rubber that was pressed on an extruding post. On this vehicle I seen no stops whether rubber or the metal mating extrusins. Thats what leads me to believe that the stop has to be in the rack. When wheel is turned to the left you can feel it stop and the wheel is only around 1 1/2 inch away from tire. This indicates that the stop wherever it is MAY be is in the correct spot when turned to leftt. Again ,I this is why I suspect faulty rack. Never seen this before, thought somebody else might have.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 13, 2018, 1:27 PM

Post #11 of 16 (96 views)
  post locked   Re: 2010 Ford Fusion oversteer  

OK - Great it's getting checked. The rubber stops are all over vehicles and have been for decades on end. Suspension included also note hoods, hatches sometimes, glove boxes, doors.
Can a rack be so wrong but appear right do this? I'd be looking how or why with it in front of me and probably see the reason. It's understandable you didn't just see clearly what it was. Must say most thing this different are from a totally messed up part or just the wrong hard hit of a pot hole or curb - something broke or bent.
You just catch my (and others) default to get it checked and really want a pro/experienced tech to not give up till it's known why and what to do about it.


I did suggest alignment as most all tech training includes that but not all shops will have space or their own rather do work and send the finish out so the alignment only tech if so sees tons of whacked stuff knows best what to do about it,


Tom



Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Aug 13, 2018, 2:01 PM

Post #12 of 16 (92 views)
  post locked   Re: 2010 Ford Fusion oversteer  

Did you count the turns from center as I suggested?



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Charlymich
User

Aug 13, 2018, 2:52 PM

Post #13 of 16 (86 views)
  post locked   Re: 2010 Ford Fusion oversteer  

Will do soon as get next chance


Charlymich
User

Aug 20, 2018, 8:57 AM

Post #14 of 16 (59 views)
  post locked   Re: 2010 Ford Fusion oversteer  

Sorry it's been so long, been on vacation, but made some discoveries. First some details from initial inspection that I overlooked to mention. I had the car on jackstands with suspension decompressed. I jacked up right tire but just enough so car still sat on jackstands. Left tire still rubbed. Most important ommission was that I seen shiny spot on control arm but absolutely no witness on the tire. So last week I got a hold of the car again and found that with vehicle sitting on the couch ground, I could turn the wheels in either direction and neither tire hit suspension. With wheels straight and steering wheel centered, I can turn steering wheel 1 3/4 turn to right, recenter, then 1 7/8 turns to left. Both wheels stopped before hitting suspension. I tend to think that the shining suspension was from previous tires.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Aug 20, 2018, 9:04 AM

Post #15 of 16 (55 views)
  post locked   Re: 2010 Ford Fusion oversteer  

The positioning is close enough to center that it doesn't seem to be an issue.

It's also possible that the tire only makes contact when the suspension leans in a certain direction.

It doesn't appear you have any issue worth worrying about.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Aug 20, 2018, 9:04 AM)


Charlymich
User

Aug 20, 2018, 9:18 AM

Post #16 of 16 (49 views)
  post locked   Re: 2010 Ford Fusion oversteer  

I agree and will consider this resolved. Thanks.






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