Question about 1999 Ford Expedition

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Steering wheel pulls when turning on a curve and my tires are wearing down because of this

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Check the air pressure and make sure all tires have the same psi in them. If they do, take it in for a front end alignment or a 4 wheel alignment.

Posted on Aug 03, 2010

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I would believe you already know what could cause those issues.

Worn Ball Joints,most likely the bottom ones or both.
Worn Suspension Bushings,not real likely.
Any type of Alignment Settings that aren't correct.
Mismatched tires on front,different outside tire diameters.
A worn steering rack,makes it feel stiff, because you never change your power steering fluid,now you can install a new rack.
Low tire pressure
Not rotating your tires.

None of those issues wear tires out
What wears out tires, is the way you drive,low tire pressure,lack of tire rotation,neglecting to stay on top of preventative maintance and getting to the issues your having, as soon as you notice or suspect something.

Posted on Aug 03, 2010

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Steering tracking to the right


Please check for a dragging LF caliper. Then be sure the front tires are at the same PSI. Then be sure the problem is not caused by the tires.*
Miss matched BRANDS,sizes or unusual wear patterns on one or both tires will cause a pull.
Tires look good? Rotate them,one side at a time until pull goes away.
Also, to see if it IS a tire problem,swap left to right and see if it pulls to the right.Easier to do that,first.

One more test: With you hands off of the steering wheel,start the car. If the steering wheel jerks to one side,you may have a bad /plugged spool valve inside the rack and pinion.

* I have seen that happen with NEW tires.

Mar 07, 2013 | 2007 Toyota Dyna

Tip

Keep your tires in good lasting shape


Did you ever see the statements in the tire dealer shops stating a specific tire model will last approx. 50-75,000 miles/
This will never happen unless you have your tires rotated every 7500 miles, the front tires wear excessively compared to the rear tires in 90% of the cars/trucks.
Why? Because the front tires in most cases are the drive tires(front wheel drive) causing the front tires to ocasionally spin causing excessive wear and also the front tires are the ones that guide your vehicle down the road, when you turn the steering wheel you are turning the front tires to make the car go in the direction you want thus causing more excessive wear to the front tires, in order to get even wear from front to back tires one must move the front tires to the back tires at 7500 mile intervals, making sure the tires only get rotated to the same side of the car each and every time, if you move a right rear tire to a left front position, severe damage may occur so please keep them same side rotations.
Also have your wheel alignment checked at a tire shop each time you bring it in for a wheel/tire rotation as pot holes, hitting curbs,etc all can effect the way the tires wear if the alignment goes out.

on Jun 06, 2010 | Chevrolet Malibu Cars & Trucks

Tip

Should I worry about my vehicle's alignment


Alignment refers to the way your car's wheels are positioned. Your wheels should be parallel and facing forward.

How does alignment affect my vehicle?
When your wheels are properly aligned, you'll get better gas mileage, your tires will last longer, steering will be easier, and your ride will be smoother and safer.

What could go wrong with my alignment?
Several factors could contribute to a shift in alignment including old, worn-out components including Ball Joints, Control arm bushings, and poor road conditions, resulting in a few different problems including Camber, Toe and Caster, and if any of these problems develop, they will take a toll on your vehicle's tires, performance and manageability. Worn out shocks and struts can also be a serious problem with un-even tire wear.


Camber
The wheels are tilted, either inward or outward. This will create pulling and tire wear.


Toe
A change in the distance between the front and back of the front or rear tires. This will wear on the tires, too.


Caster
A backward or forward tilt at the top of the wheel's spindle support arm. This will cause either loose or difficult steering.



If any of these problems develop, they will begin to take their toll on your car's tires and performance, as well as steering

How will I recognize a problem with my alignment?
Check your steering wheel when you're driving. Does it stay straight? Does it vibrate? When you are traveling along a straight road, does your vehicle pull to one side? Is your steering loose, or difficult to control? Have you noticed uneven tire wear?


Check your tires periodically. A number of different things can affect your tires - from alignment to suspension components.
As a general rule, you should have your alignment and related components, such as ball joints, control arm bushings, checked every 10,000 miles or once a year, and there are three types of alignment jobs with a good-better-best approach.

GOOD
Two-wheel geometric centerline alignment.
This adjusts the toe on your front wheels only. This will work only if your rear wheels are properly aligned. (Used mostly on trucks and older rear-wheel drive cars).

BETTER
Four-wheel thrust line alignment.
This aligns the front wheels to the rear-wheel alignment.

BEST
Complete four-wheel thrust line alignment.
This is the optimal approach: aligning all wheels straight ahead and parallel.

After a thorough review of your alignment, your The Wright Import technician will present you with the findings and all of your options before beginning any work on your vehicle.

What is a wheel alignment? How does it effect handling and tire wear? When should I do an alignment? What causes alignments to go out? How would I know if my alignment is out?

A wheel alignment is nothing more than setting the angle of the hub/wheel so it tracks in the right direction. Most vehicles have four-wheel alignments, meaning each of the four wheels is separately aligned. Your basic alignment consists of three angles: camber, caster and toe-in. Camber is the tilt of the tire when viewed from the front of the car. Positive camber means the top of the tire is tilted away from the car. Negative camber means the top is tilted in. Camber has a lot to do with cornering performance. Too much negative camber will wear the inside of the tires prematurely. Too much positive camber will wear the outside tread.

Caster is the inclination of the front spindle. Picture the angle of the forks on a bike top to bottom. When the caster is out, it creates a pull or wandering condition and sometimes a slow responding steering wheel. Toe-in is measured in inches or degrees. Viewing from the front of the car, it is the difference between the front and rear center-line of the tire. Toe-in means the fronts of the tires are closer together. Toe-out means, the fronts of the tires are farther apart. Toe-in or out has the most effect on tire wear.

When your car is out of alignment, the tires will wear prematurely. In some extreme cases, new tires will be gone within 500 miles. At the price of tires, especially high performance tires with soft compounds, you want to keep your vehicle in alignment as long as possible. Other symptoms of an out-of-alignment car are poor handling, pulling to one side, or wandering from side-to-side. An alignment will also affect the steering wheel response and how quickly it returns to the center.

Your vehicle's alignment should be checked every 10,000 to 12,000 miles. Any harsh impact such as potholes, curbs, objects in the road, or the damage of an accident, should prompt you to have your alignment checked. If you do any modifications to your suspension, raising or lowering your car, that will affect the alignment angles. Even changing the tire size will effect the alignment. Loose, worn or bent suspension parts such as ball joints, springs, bushings, and control arms will have an adverse affect on your alignment, too. In most cases you do not know if your alignment is out. The best way to check it is with a precision alignment machine. Laser optics combined with a computer allow for the most accuracy in alignment readings.

Remember you are aligning the hub of your vehicle. Check to see if the alignment shop or dealer has equipment that attaches to the hub, not the wheel. Many independent shops that do alignments have a specialty tool called "Tru Align" that attaches to the hub. This will make for a much more accurate alignment with the added bonus of not damaging the delicate finish on your wheels.

There is a lot more to suspension alignment, especially if you push your vehicle on the track. The modifications you make on your suspension are just the beginning. Once you start down this road you will be concerned with things like bump steer, weighting (vertical load), pre-loading, tire traction versus tire load, and more. Now you're thinking under-steer, over-steer, tire compound, sway bar design, and other topics that can be covered in a later article. For now, just remember to have your vehicle aligned every 10,000 to 12,000 miles in normal driving conditions.
If you accidentally hit a curb, or drive through a nasty pothole or other road obstruction, that would be a cue to have your car's alignment checked more often. Proper alignment is good for your car. It will save unnecessary wear on your tires. It will ensure that your vehicle is giving you the handling the factory designed the car to have. And, most importantly, a properly aligned car is safer and more fun to drive. Have your alignment, ball joints and suspension checked regularly checked regularly

on Dec 11, 2009 | Ford F-150 Cars & Trucks

1 Answer

Whining from front left seems to be tire, turning to the left gives slight vibration in steering wheel


sounds like you have a bad wheel bearing, does sound change going around curves ?

Sep 03, 2012 | Ford Cars & Trucks

1 Answer

Steering wheel pulls to left while driving , just had pump repaired , no problem with steering prior to repairs to pump


Then your rack n pinion has a torque steer, before we go there is the tire pressure and wear proper, A low tire pressure will make the vehicle turn the direction that is low, also wear is it wearing on the outside or inside thos have to be look at.

May 07, 2011 | Mercury Grand Marquis Cars & Trucks

1 Answer

Shaking when driving. bought new tires in front 18 months ago. bought the car 3 years ago it was already lowered bought back tires six months ago had alighned two months ago started shaking after and tires...


get under the vehicle (use ramps) and check all linkages for movement pull push on the anti roll bar links, pull push on steering rack and pinion and linkages, any excessive movement, jack each wheel at a time, using a bar check the lower wishbone joints for movement, get the bar in the gap between the wishbone and lower part of the shock. and pull down, if any movement in ball joint up and down replace. while wheel on vehicle check for movement in bearing you will feel a tiny amount not much but pull and push on wheel with opposite hands on 12 o'clock and 6 o'clock and do the same at 9 and 3. now with both wheels off the ground but with the tyres still on, have some one holed one wheel and push pull on wheels each side there should be even movement between both wheels, if everything is fine with the the steering linkages and this dose not feel or sound right then this could be the problem also to add if the inside and out side of the tyres are wearing then the tyre pressure is wrong and needs adjusting to the right tyre pressure .

Jul 24, 2017 | 2000 Ford Mustang

1 Answer

Very dull steering feel, wheel stays turned even as i slowly rev


Camber and caster settings are off. Have 4 wheel alignment done by a good shop and save your nice tires. Out of alignment will make steering feel heavy and wear tires fast!

Feb 06, 2010 | 2003 Nissan Maxima

3 Answers

SYMPTOMS OF BALL JOINT WEAR


If you make a hard right or left hand turn (with steering wheel turned until it stops) you'll hear and feel a pop sensation.When you drive over potholes you'll feel a slight pull to one side.If it is one of the upper balljoints,you can grab the tire with both hands near the top(11 and 1 o'clock) and pull the wheel back and forth.You will feel looseness if the upper balljoint is bad.

Nov 01, 2009 | 2002 Ford Taurus

1 Answer

Steering pull and tire wear


If professional alignment does not straighten out alignment & tire wear, you can "tinker" with the settings to straighten it out. Caster is pre-set & non adjustable. You did not mention toe-in.(which more often causes wear. If the steering wheel is not horizontal it shows a possible toe-in problem, as can wandering. What condition are the tie rod ends and ball joints? Be sure everything is tight before doing anything else. If you make any changes, make small ones, write everything down and use good reference marks that will not wear off. Once a small change is made, drive for a while & check tire wear often.
You are correct in persuing this matter, but If you did not buy the car new, even a minor previous accident could throw the body out of whack enough to give problems like you are having.

Dec 31, 2008 | 2007 Hyundai Sonata Limited Sedan

1 Answer

I have a 2002 monte carlo and it shakes reallt bad at 50 mph and turning curves at 25 mph speeds and up...also going down hills and pushing the brakes..i just had new rotors and brakes put on the front...


I'm going to bet that you didn't do anything about checking the following:
  1. Tie Rods and ball joints.
  2. Shocks/struts...front and rear
  3. Wheel balance
  4. Condition of the tires.
If you don't know how to check the first two, do the following: jack front wheel up and insert a stand. Then take the bottom of the tire and pull up quickly and hard...does it 'click'? Now, do the same from front to back. Up and down wear is ball joints...side to side is tie rods. Get a mechanic to help you. Many chains will inspect for a modest fee.

If a tire is worn because of worn front end parts...the wheel can't hold a proper position in relation to the steering wheel...it wears the tires. They go out of balance and will shake at 25 mph. Check for rounded sidewalls and uneven wear. Replace the tires after getting new front end parts installed and aligned. Check your shocks/struts for excess wear or leaking. They contribute poor ride, to wear and sloppy handling


Jul 23, 2008 | Chevrolet Monte Carlo Cars & Trucks

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