4 wheel alignment How they adjust?

jake

I AV MOSTLY BEEN BEATING
Feb 2, 2003
2,666
1
rochdale
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Depends on what system and what suspension you have, our hunter allows us to adjust all four wheels back to oem spec, but some cars cant have camber done etc,

jake
 

andycupra

status subject to change
unless you have car that has adjustment on the rear (which you dont) they dont adjust the rears at all.

However the reason you get a 4 wheel alignment over a 2 wheel is:

If you do a two wheel alignment then the two front wheels will align with each other, but thats not to say they are aligned with the rears, you could even find the car crabs in extreme circumstance. If they bodge it you may even find the steering wheel is at an angle as the front align with each other only, and not the rears.
So if for example someone was doing a two wheel alignment, they may simply adjust one side to bring it in alignment with the other side.
However most places if they do it properly should adjust both so the steering is correct.

With 4 wheel alignment, they take the rears as the reference point (and there is some assumption that the rears have not been knocked out of konk).
Then using the rears as the reference point they adjust the fronts to be aligned with each other and the rears.
They should before starting adjustments and measuring clamp the steering wheel so that when all the work is completed the steering wheel is straight.
 

aterro

Banana Bomber
Oct 28, 2009
118
0
had this done today.

and they said. i have play in my track rod ends or even worst my steering rack.

it didnt knock before. but it slightly clicks now on slow car park reversing and moving.
it slightly pulls to one side if i let my hands off the wheel.(now & then)

just had 2 tryes fitted by same people.

and went round a tight corner and it didnt stick to the road at all. just understeered.

they also said my rear was way out?
its not cambering at all.

any advice?
 

M1KEH

M1KE
Oct 27, 2007
2,336
0
The Middle
had this done today.

and they said. i have play in my track rod ends or even worst my steering rack.

it didnt knock before. but it slightly clicks now on slow car park reversing and moving.
it slightly pulls to one side if i let my hands off the wheel.(now & then)

just had 2 tryes fitted by same people.

and went round a tight corner and it didnt stick to the road at all. just understeered.

they also said my rear was way out?
its not cambering at all.

any advice?

Also check that the play isn't in the joint where your steering wheel bolts onto the rack.
 
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