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Toe in out on rt rear, causes?

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Old Apr 5, 2008 | 02:01 PM
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Toe in, out on left rear, causes?

I took the truck in after a 2" leveling for a front end alignment. The drivers rear toe-in was out .30. the pass was .05. Threre's no ajustment for this. I was rear ended about a year ago stopped at a red light. totaled the front end on the escort. Could this have caused it? Bent something? Any thought's? It's going in to the dealer Tues.
The tires and rims are new.
 

Last edited by evo; Apr 5, 2008 at 06:48 PM.
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Old Apr 5, 2008 | 02:07 PM
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so it has 5 degree's of toe in?
 
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Old Apr 5, 2008 | 06:03 PM
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Originally Posted by scott1981
so it has 5 degree's of toe in?
Here's the read out. Ft left caster 4.8 camber -.5 toe in .50. Ft right caster 5.2 camber -.4 toe in .25.

Rears: right rear camber -.4, toe in .30. left rear camber 0.0, toe in -.05

Everything was brought into spec except for the left rear.

The issue is with the left rear the tire points in and there is no adjustment for this.
 

Last edited by evo; Apr 5, 2008 at 06:46 PM.
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Old Apr 5, 2008 | 06:19 PM
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Mine was the same way after my leveling kit and alignment. I'll look for my printout and tell you how bad it is. I have never been in an accident with my rig. I've kept an eye on my tires and havent noticed any uneven wear. It has been about 15,000 miles since I put my kit on.
 
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Old Apr 5, 2008 | 06:45 PM
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Originally Posted by Ftruck05
Mine was the same way after my leveling kit and alignment. I'll look for my printout and tell you how bad it is. I have never been in an accident with my rig. I've kept an eye on my tires and havent noticed any uneven wear. It has been about 15,000 miles since I put my kit on.
Thanks, I'd be interested in seeing your specs.
 
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Old Apr 5, 2008 | 07:05 PM
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Shouldnt be a problem for you. Your "thrust angle is .30 + .05 /2 = .17. This will cause your truck to drive crooked by .17 deg. Meaning the set of rear tires will be shifted to the left or right of the front ones while driving straight by .17 deg. This shouldnt cause any problem as the standard alignment is a "Thrust Angle Alignment" which will compensate the front toe to match the rear so when you drive straight your steering wheel will be staight and there should be no pull to the left or right.
 
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Old Apr 5, 2008 | 07:36 PM
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Originally Posted by GotBeer
Shouldnt be a problem for you. Your "thrust angle is .30 + .05 /2 = .17. This will cause your truck to drive crooked by .17 deg. Meaning the set of rear tires will be shifted to the left or right of the front ones while driving straight by .17 deg. This shouldnt cause any problem as the standard alignment is a "Thrust Angle Alignment" which will compensate the front toe to match the rear so when you drive straight your steering wheel will be staight and there should be no pull to the left or right.
I didn't notice any driveability problems. I just don't want that left rear tire to wear uneven. The guy that did the alignment did nothing but whine about the truck having too big a tire and rim on it. Yea, like no one else has oversize tires and rims and can't get the front end aligned. I'm wondering if he just didn't give a crap and did a half a$$ job. I will get it checked out at the Ford dealer Tues. I took it to Midas because the people that did my leveling kit had their alignment machine go down and told me to take it there. ThANKS FOR THE INFO.
 
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Old Apr 5, 2008 | 07:56 PM
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Originally Posted by evo
Here's the read out. Ft left caster 4.8 camber -.5 toe in .50. Ft right caster 5.2 camber -.4 toe in .25.

Rears: right rear camber -.4, toe in .30. left rear camber 0.0, toe in -.05

Everything was brought into spec except for the left rear.

The issue is with the left rear the tire points in and there is no adjustment for this.

Here's my read out. Ft left caster 5.01 camber -.42 toe in .49. Ft right caster 5.07 camber -.58 toe in ..09.

Rears: right rear camber -.13, toe in .23. left rear camber 0.07, toe in -.15



A little different than yours but not much....The only complaint I have is it seems I have to hold the wheel a hair to the right to keep it going straight. I'll probly take it in for another one pretty soon here.
 
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Old Apr 5, 2008 | 08:38 PM
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Originally Posted by Ftruck05
Here's my read out. Ft left caster 5.01 camber -.42 toe in .49. Ft right caster 5.07 camber -.58 toe in ..09.

Rears: right rear camber -.13, toe in .23. left rear camber 0.07, toe in -.15



A little different than yours but not much....The only complaint I have is it seems I have to hold the wheel a hair to the right to keep it going straight. I'll probly take it in for another one pretty soon here.
Your toe isn't set correctly that's why the steering wheel is off.
I believe total toe is .15 which should be split evenly between both sides.

To the original question about the rear axle you can shift the axle to get the toe/thrust angle better. I've done it using a come-along to pull the axle in the right direction after loosening the U-bolts, front spring eye bolt and rear shackle bolts. There is some play in those joints.
 
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