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Need help to analyse alignment results


oomph
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Neutral Newbie

For a friend, jap MPV fitted with 18" Rims -

 

FRONT

 

Camber Left -0:43'

Camber right 0:10'

Cross camber -0:53'

 

Caster Left ---

Caster Right ---

cross caster ---

 

Toe Left -0.2mm

Toe right -o.3mm

Total toe -0.5mm

 

REAR

 

Camber Left -0:59'

Camber right 0:58'

Cross camber -0:00'

 

Caster Left ---

Caster Right ---

cross caster ---

 

Toe Left -0.0mm

Toe right 0.4mm

 

THRUST ANGLE -0:01'

All Comments appreciated.

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My understanding is that those computerised wheel alignment machine already has most (all?) of the car model's wheel alignment specifications built into their programme...as long as the technician choose the correct model and adjust accordingly, it should be ok.

 

Different car model have slightly different specification, so difficult to compare...

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The last time I did the wheel alignment, there are 2 sets of data. One is the manufacturer's specifications on the toe/camber/caster values. The other, of course, is the car's current values. According to the mechanic, they'll try as best they can to adjust to the manufacturer's values.

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Whether these sets of readings are correct and will help in steering control and reduce tyre wears is very hard to tell as I believe the ride wheels had been upgrade therefore the standard spec is of not much use.

The best way is to do a dynamic test , that is to drive the car over a side slip tester. If the reading is within the -+5m/km then I would say wear will not suffer any uneven wear. And also it is save to drive as the car will be able to keep almost straight ahead without any force required to steer the wheel.

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Neutral Newbie

at the very least - do the readings look SAFE ? or is there any need for any other adjustments e.g. camber joints, control arms etc ?

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Neutral Newbie

i think you better go for a alignment . very strange , cause both right front/back got positive camber , which will eat the outside tyre. on left turns will be bad also because there is less negative camber for grip , thus understeer . normally on street sedan , it is about max -2 degree camber front .

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Neutral Newbie

hmm... these readings were taken at Y** B*** after paying service fees for installation of shocks - which included installation AND alignment. does this mean that readings are unacceptable and alignment not done properly ? The car is not lowered but is on 18" rims.

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