allroad questions

[Ed Kellock]

A friend had a weird misfire related to cam position sensor issue (I think).
Don't know much more about AR issues, but a misfire at light throttle but
not at full throttle might manifest as a vibration.  Stranger things...

Ed

-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com] On
Behalf Of Grant Lenahan
Sent: Saturday, January 09, 2010 7:40 AM
To: Jeremiah Curry
Cc: quattro at audifans.com
Subject: Re: allroad questions


Enjoy the AR - its a nice vehicle.

1. The vibration could be any of many things. IS it from the motor? The
wheels?  The driveline?  The center driveshaft can develop some slop. It
coudl also be weight transfer to an OOR or OOB rear wheel.

2. w/r/t to air suspension i dont know, except that the air springs have a
finite life. You also might check whatever mechanism sets the ride height (
limit switches, etc).

Grant
On Jan 9, 2010, at 12:12 AM, Jeremiah Curry wrote:

> I bought a 2001 Allroad 2.7t tiptronic (with every option except the 6 
> spd and towing) a few months ago, have previously owned 2 Coupe GTs, a 
> 5000s, and a 1991 200 20v turbo Quattro. There are three issues I need 
> help with:
> 
> 1. at light load the car has started to vibrate/shudder/growl. This 
> only happens at light load. I can be driving along at 20-80 and 
> depress the pedal a little and get a very pronounced vibration. If I 
> let off it goes away immediately and if I push harder I don't get it. 
> Car has 91,000 miles. When I bought it a check engine light came on 
> and my mechanic ran the code and said one CAT was starting to go, but 
> not to worry about it. I tend to believe him as it is fine at full 
> throttle and redline.
> 
> 2. One side of the car appears to be little higher than the other. 
> When I go to the lowest air suspension setting the tire on one side is 
> a little lower than the wheel well, while hte other side it is a 
> little higher.
> 
> 3. The parktronic just quit working one day. No beep when I go into 
> reverse, had been working fine.
> 
> thanks in advance.
> Jeremiah
> 
> 
> 
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