17 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHRear camber adjustment
Leading reported evidence
Use arctan of the distance
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that performed work without a confirmed outcome
1
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Performed · outcome unconfirmed · Original poster
And for reference, I used the arctan of the distance from vertical to the top of the rim divided by diameter of the rim.
Adjust linear position by sin(theta) or cos(theta) depending
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1
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Suggestion
Don't think it really works like that, eccentric bolts by nature adjust a linear position by sin(theta) or cos(theta) depending on which direction you're looking at it.
Leading evidence: 'Use arctan of the distance' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Adjust linear position by sin(theta) or cos(theta) depending' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Adjust linear position by sin(theta) or cos(theta) depending
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
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Suggestion
Don't think it really works like that, eccentric bolts by nature adjust a linear position by sin(theta) or cos(theta) depending on which direction you're looking at it.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
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Suggestion
How did adjusting rear camber give a crooked steering wheel?
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
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Suggestion
I've learned to just set the car up on level tire stands with the gauges and toe plates all connected, then get underneath and ask a friend to read out the numbers as I fiddle with the eccentric.
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Adjust linear position by sin(theta) or cos(theta) depending
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
Don't think it really works like that, eccentric bolts by nature adjust a linear position by sin(theta) or cos(theta) depending on which direction you're looking at it.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
I've learned to just set the car up on level tire stands with the gauges and toe plates all connected, then get underneath and ask a friend to read out the numbers as I fiddle with the eccentric.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
17 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
2 acknowledgements have no verified action link; they do not establish a repair result.
Outcome without a verified action link
After many many attempts, I finally got it back to normal.
Call this don�t try this at home. Tried to make a subtle tweak to improve tire wear a little. Ended up with a crooked steering wheel, and psm and abs warning lights. After many many attempts, I finally got it back to normal. Now I just need to visit a professional to get it absolutely right. Below are the crude tools and some advanced geometry that actually worked to get it back to normal. The wood block was a key piece.
There is a google spread sheet document floating around on here, I believe, that calculates how many degrees each eccentric bolt must be turned to achieve the specified settings after filling out the spread sheet with the current values of toe, camber, track width etc.
It takes away the iterations normally inevitable to achieve the target values.
Unfortunately I cannot find it...
Found it!
https://docs.google.com/spreadsheets/d/1J3rnpmtFgx0jZPqTDytrg_unx2dL7PFKhA0IRWtLjXA/edit?usp=drivesdk
I saw that one too. Thanks. Didn�t have much success with it. It was trial and error with a mm ruler. I think I got lucky. Drove to work today with no issues. Very dumb on my part. Lesson learned.
Don't think it really works like that, eccentric bolts by nature adjust a linear position by sin(theta) or cos(theta) depending on which direction you're looking at it. I've learned to just set the car up on level tire stands with the gauges and toe plates all connected, then get underneath and ask a friend to read out the numbers as I fiddle with the eccentric.
Then good luck tightening the nut back down without the eccentric moving, not sure why but my C2's rear subframe must be slippery or something.
For me it was a good lesson :
1) don�t mess with it
2) if you mess with it, it can cause all sorts of weird results
if my abs and psm lights were on, rear camber would not be on top of the list to check.
that was my assumption as well. I was really surprised how much! A tiny tweak made a massive difference. As others have also noted, holding the eccentric still while tightening was also lesson in patience�and stupidity. Live and learn. If others don�t make the same mistake I feel vindicated.
If you divide by the diameter of the rim you should be using arcsin. The error will be negligible but still.
Also the wheel diameter is defined as the diameter of the barrel where the tyre sits and which is smaller than the diameter from flange to flange ('top of the rim') that you should be using if you measure from vertical to top of the rim.
