Originally Posted by jakematic
(Post 24117942)
2004 A8/A8L Alignment Specs
Front axle Standard 1BK Camber: - 1 ° +/- 25 Maximum permissible difference between both sides: 30' Toe setting for each wheel (unladen): + 8 +/- 4 Toe check value for each wheel (unladen): + 8 +/- 6 Toe constant per wheel (setting value): - 5 +/- 4 Toe constant for each wheel (check value): - 5 +/- 6 Toe differential angle at 20 ° (*1): 1 ° 36 +/- 30 (*1) Wheel stop on outer wheel is reduced by this amount. It can also be indicated negatively in alignment computer, depending on manufacturer. Rear axle Standard 1BK Camber: - 1 ° 15 +/- 20 Maximum permissible difference between both sides: 20 Toe for each wheel: + 12 +/- 4 Total toe :+ 24 +/- 7.5 Maximum permissible deviation in direction of travel relative to vehicle longitudinal axis: 10 Before Measurements Front: LF Camber: -1°08'LF Toe: 0°07' RF Camber: -1°03' RF Toe: 0°06' Front Total Toe: 0°14' Steer Ahead: 0°00' Before Measurements Rear: LR Camber: -1°27' LR Toe: -0°01' RR Camber: -1°27' RR Toe: 0°04' Rear Total Toe: 0°03' Thrust Angle: -0°02' Current Measurements Front: LF Camber: -1°02'LF Toe: 0°07' RF Camber: -0°48' RF Toe: 0°08' Front Total Toe: 0°14' Steer Ahead: 0°00' Current Measurements Rear: LR Camber: -1°17' LR Toe: 0°11' RR Camber: -1°20' RR Toe: 0°11' Rear Total Toe: 0°23' Thrust Angle: 0°00' I was told that Numbers can be minipulated, but I doubt that this is the case here. There has to be a Logical Explanation for the Drifting/Wondering that occurs more so noticeably at High Rates of Speed. It can't be anything with Power Steering or Speed Sensative Steering Preasure because the only things that were Repaired was Tower Bracket and TieRods. It's very responsive, but that Play in the Steering (Drifting/Wondering) has to be associated with this Alignment. Thanks
Originally Posted by MP4.2+6.0
(Post 24118035)
Tires: I think Audi says something like 2% running difference. Well, if you do the math that is several tenths on an inch in diameter change, so I would not expect minor treadwear differences to matter. Hasn't for me in probably 500K miles across many Audi's.
Suspension:
Originally Posted by bac2h
(Post 24118041)
Your suspension settings in the mmi screen will show your suspension as sport if it is so equippped. Also the sport suspension was part of a package that had the paddle shifters and NO heated steering wheel.
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Alignment numbers are fine except I do not understand differences in Chamber angles before and after. Chamber cant be adjusted on A8 so it has to be constant. It might be that guys machine is not working properly. Wondering usually comes from opened (negative) toe angle.
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Originally Posted by mishar
(Post 24118153)
Alignment numbers are fine except I do not understand differences in Chamber angles before and after. Chamber cant be adjusted on A8 so it has to be constant. It might be that guys machine is not working properly. Wondering usually comes from opened (negative) toe angle.
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How did your post help in any way? Stop posting in here as no one here in the A8 section cares or wants to read anything you say.
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Originally Posted by williebone
(Post 24118163)
From what I understand talking with Suspension Pros, it's the Caster that can't be adjusted on the A8. I could be wrong or maybe I misunderstood, but I've had quite a Few indepth discussions on the Topic. It has always been Tight and Held its Line without Drift, so I'm looking at the RF adjustment that was made. Those numbers were fine to begin with and why not just Straighten the Steering Wheel and Balance the Rear since its number were in the Red Zone? Thanks
If I remember well one of attaching points for upper link was ripped of. Or it was some other car? What was done with it? They should measure chaster too. It can't be adjusted but it can bi off. |
help
Originally Posted by Brozee
(Post 24118274)
How did your post help in any way? Stop posting in here as no one here in the A8 section cares or wants to read anything you say.
my post is very specific towards somebody, don't let it bother you, as I stated in his other thread the rack has internal damage, if he does not want to have it look at is his problem and. DO YOU HAVE ANY SUGGESTIONS???? tell him to hold the steering wheel and live with it. if you don't care don't read it. |
Originally Posted by mishar
(Post 24118275)
In order to straighten the steering wheel they had to readjust both front wheels. You are right about chaster. It can't be adjusted either.
If I remember well one of attaching points for upper link was ripped of. Or it was some other car? What was done with it? They should measure chaster too. It can't be adjusted but it can bi off. |
If you have a local alignment shop, then maybe take it there to have the alignment verified (my local Just Tires is great about doing this for me). Just put the car on the rack and have them give you a reading and printout. If I was in your shoes, I'd be concerned with the camber being off by .5* _after_ the alignment. While mismatched camber shouldn't cause excessive wandering, it's still odd.
Also, to check if you have any play in the steering, you could try pulling the car into the alignment rig straight, take a reading, then turn the wheels right and back to straight ahead, take another reading and repeat by turning left. Lastly, try remounting the wheels. Could be something as simple as a wheel having been mounted slightly off. Alignment is a game of inches, if not mm (depending on how competitive you are), so everything should be inspected. Check all the suspension bolts too and make sure they were torqued to spec. l8r) |
Originally Posted by ludikraut
(Post 24118342)
If you have a local alignment shop, then maybe take it there to have the alignment verified (my local Just Tires is great about doing this for me). Just put the car on the rack and have them give you a reading and printout. If I was in your shoes, I'd be concerned with the camber being off by .5* _after_ the alignment. While mismatched camber shouldn't cause excessive wandering, it's still odd.
Also, to check if you have any play in the steering, you could try pulling the car into the alignment rig straight, take a reading, then turn the wheels right and back to straight ahead, take another reading and repeat by turning left. Lastly, try remounting the wheels. Could be something as simple as a wheel having been mounted slightly off. Alignment is a game of inches, if not mm (depending on how competitive you are), so everything should be inspected. Check all the suspension bolts too and make sure they were torqued to spec. l8r) |
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