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Interested in the community's thoughts on the rear end alignment numbers. i was offered a free alignment check this morning with a tire purchase. The front numbers are fine i have new upper control arms and lower ball joints i need to put on it and then ill start correcting Camber and Toe at home in my drive way but im curious if the rear axle had been in a wreck to cause the rear camber and toe on the driver side. The Rear end is a 9.75 im not a pro at spotting damage on a truck but the frame looks clean and nothing stood out to me.
Back story: Bought this truck from a guys family and it had been sitting for 5 years. Not much known about the truck. Ive done some work to it in the past month making it drivable and fixing odd things like interior, brakes, electrical shorts etc.
One's positive and one's negative. Might just be worn shackle bushings.
For what it is, none of your numbers look bad. You could probably drive it over a bumpy road and get a whole new set of numbers.
appreciate the look at the numbers. i just, got under the truck to see if i could find any evidence of anything and the Left side looked worse compared to the right so you may be right about the bushings
The shackles will cause the truck to lean is all
If the rear axle is sitting flat on the ground and the camber is that far negative, YES your axle is bent
However, negative 1.2 degrees is enough to cause some serious rear tire wear
I would have another shop look at the rear camber to verify the alignment man was not making a mistake or just had a few beers for lunch
You can also just use an old fashioned camber gauge yourself and check it
What did they want to do? Put a housing in it for 2-4000 bucks?
Sometimes if the vehicle was ever severely overloaded, it will bend the rear axle tubes (like on an old Dodge where they needed a support bracket on the front diff to hold the tubes from going U shaped)
I did alignments for 40+ years and never saw one that far off
Is that left rear tire wearing on the inside?
Sometimes if the vehicle was ever severely overloaded, it will bend the rear axle tubes (like on an old Dodge where they needed a support bracket on the front diff to hold the tubes from going U shaped)
I did alignments for 40+ years and never saw one that far off
Is that left rear tire wearing on the inside?
overloading could be possible, So i havent put but maybe 250 miles on the old dry rotted tires and these new tires have 30 - 40 miles. the older tires had decent tread and didnt look too bad besides the rubber cracking.
The shackles will cause the truck to lean is all
If the rear axle is sitting flat on the ground and the camber is that far negative, YES your axle is bent
However, negative 1.2 degrees is enough to cause some serious rear tire wear
I would have another shop look at the rear camber to verify the alignment man was not making a mistake or just had a few beers for lunch
You can also just use an old fashioned camber gauge yourself and check it
What did they want to do? Put a housing in it for 2-4000 bucks?
They told me that the camber adjustment wasnt where they could get to.... which i thought was weird. I went outside with him and pointed to it and i think he was a little embarrassed i knew where it was. (but seriously who owns these trucks and doesnt know how to turn a wrench?) Im assuming the kid didnt want to have to lift the truck up to make the adjustment. No mention of the rear which i thought was odd but after i looked at it i wanted poll the forum. im starting to wonder if he used the machine correctly on that wheel or if it was just half assed.
I would sure get a second opinion
It has a "live axle" right?
That just means a conventional rear axle sprung with springs
Nothing fancy like independent rear suspension like a newer Expedition has, right?
It might wear out rear wheel bearings
I got a 9" posi out of a wrecked Bronco that had bent tubes and it took a fork lift to pull the axles out
Once we did that the housing bent back some but was still bent
Hopefully the guy just made a mistake with his alignment equipment
I've only seen about 3 bent axles in 40+ years
I would sure get a second opinion
It has a "live axle" right?
That just means a conventional rear axle sprung with springs
Nothing fancy like independent rear suspension like a newer Expedition has, right?
It might wear out rear wheel bearings
I got a 9" posi out of a wrecked Bronco that had bent tubes and it took a fork lift to pull the axles out
Once we did that the housing bent back some but was still bent
Hopefully the guy just made a mistake with his alignment equipment
I've only seen about 3 bent axles in 40+ years
Correct. Traditional rear axle no independent suspension
I had to look up some stuff to be sure I knew what negative means as far as camber. Apparently it means the top of the wheel is tilted inward. I wonder if bad bearings alone could cause that much. 1.2 degrees doens't seem extreme. Might lift the back and shake a wheel.
An angle finder level on the tubes might offer a clue. Seems like installation of the alignment tools could be suspect also, as you noted.
Random thought - there are no indicating arrows on the rear numbers like there are on the front. Are you sure that those numbers are real and not just left over in the machine?
Random thought - there are no indicating arrows on the rear numbers like there are on the front. Are you sure that those numbers are real and not just left over in the machine?
not sure but ill be back once i replace the ball joints and upper control arms
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