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Kerbed rear wheel.Toe in


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Hi all ,I've been lurking on these pages for 2 years,  this is my first (desperate) post.

To cut a long story story short ,I kerbed my rear nearside wheel fairly hard ,but not to cause any serious damage to the alloy,(20 inch).

I had a 4 wheel alignment check ,all good up front and rear offside, however, the rear nearside is now showing toe in ,and is the cause for a slight pull to the left,(about 5  degrees steering wheel deflection to the right to correct).

The vehicle is a fixed beam arrangement ,so has no toe adjustment.

My question is this, what is the likely hood of the stub axle mounting being bent,(needing a new rear beam),or is it possible just the stub axle itself has shifted/bent or the whole beam has shifted on its bushings?

The camber is out too, readings as follows. camber 0.41% Toe 0.35%

Although I hit the kerb with a thump it did not seem enough to be catastrophic,

Any thoughts?

Thanks folks.

Dave. 

Edited by Dragondrummer
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Hi Dragondrummer,

Our 2007 Alphard was pulling left regardless of road camber. 4-wheel alignment showed Nearside rear (NSR) toe was 0˚05' [OK] but offside rear (OSR) toe was -0˚38' [definitely not OK]. There was no play in the rear bushes and everything looked fine. As you know, the rear axle is fixed, so can’t be adjusted. In the end I discovered that the OSR toe-out was due to a poorly assembled wheel bearing retainer - 2 of the 4 nuts were missing (nowhere to be seen I was told by our mechanic, but not in the hub, where they would have been if they had worked loose / sheared off), so the leading edge of the wheel was facing slightly outwards; not enough to notice initially, but gradually getting worse! There had been no work on the wheel hubs since being imported, so it seems this was a longstanding problem inherited from the Japanese owner, or possibly even from leaving the factory. I don't know if this will be relevant to your situation, but it might be worth checking the rear wheel bearing retainers to see if they’re aligned/secured.

Incidentally, as part of the process, I found two different sets of wheel alignment figures (take your pick…)

http://www.jltechno.com/en/alignment_specs.php?brand=Toyota&ModelName=Alphard/Vellfire:H10 Series:MNH10W&ModelID=610365

Alignment Data Lookup->Toyota->Alphard/Vellfire:H10 Series:MNH10W  

Parameter

 

MIN spec

 

Standard spec

 

MAX spec

 

Front Total Toe

 

-0.17

 

 

 

0.17

 

FL Toe

 

-0.09

 

 

 

0.09

 

FR Toe

 

-0.09

 

 

 

0.09

 

FL Camber

 

-1.42

 

 

 

0.08

 

FR Camber

 

-1.42

 

 

 

0.08

 

Rear Total Toe

 

-0.25

 

 

 

0.25

 

RL Toe

 

-0.13

 

 

 

0.13

 

RR Toe

 

-0.13

 

 

 

0.13

 

RL Camber

 

-2

 

 

 

-1

 

RR Camber

 

-2

 

 

 

-1

 

Left Caster

 

1.67

 

 

 

3.17

 

Right Caster

 

1.67

 

 

 

3.17

 

Left SAI

 

N/A

 

 

 

N/A

 

Right SAI

 

0

 

 

 

0

 

And from our 4-wheel alignment specialist:

Toyota->Alphard H10 Series:MNH10W 

Wheel Alignment Specification

Parameter

Minimum

 

      Maximum

 

Front Total Toe

 

-0.10

 

 

+0.10

FL Toe

-0.05

 

+0.05

FR Toe

-0.05

 

+0.05

FL Camber

-1.25

 

+0.05

FR Camber

-1.25

 

+0.05

 

FL Caster

 

+1.40

 

 

+3.10

FR Caster

+1.40

 

+3.10

FL SAI

+10.05

 

+11.35

FR SAI

+10.05

 

+11.35

FL Included Angle

FR Included Angle

Front Cross Camber

+8.40

+8.40

-0.45

 

+11.40

+11.40

+0.45

Front Cross Caster

-0.45

 

+0.45

 

Rear Total Toe

 

-0.15

 

 

+0.15

RL Toe

-0.08

 

+0.08

RR Toe

-0.08

 

+0.08

RL Camber

-2.0

 

-1.0

RR Camber

-2.0

 

-1.0

 

If you want to see, the complete thread is at https://uk.alphardclub.com/forums/topic/1041-pulling-left-rear-wheel-alignment-problem/#comment-7608

 

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