RE: 1993 S4 Jerk

["Livolsi, Stephane" <livols1@investorsgroup.com>]

Just a random thought here but, if spark plug wires are cross firing, it
would cause what you describe.....

Stephane Livolsi
180 Yorston St
Williams Lake, BC, V2G 3Z1
ph 250-392-2637
fax 250-392-2693

'86 5KTQ stock (if you don't know what it means, you aren't in the club)

>----------
>From: 	Robert T Rouleau[SMTP:RRouleau@dataradio.com]
>Sent: 	November 15, 1999 11:18 AM
>To: 	quattro@audifans.com
>Subject: 	1993 S4 Jerk
>
>Riddle me this one oh Audi mavens of the List. My S4 with 5 spd has 
>developed a new trick. At very cold temps, (-15F and below) AND within 
>20 minutes of start up the car will give an almighty jerk 
>occasionally.
>
>This happens while I am drving at constant speed and (so far) onlyu 
>when driving at more than 30 MPH. The jerk fels like I have stopped 
>on the brakes. It is a sharp jolt and enough to spill your coffee big 
>time. It matters not whether the car is constant throttle or, 
>accelerating.  I'm suspicious about something binding in the 
>driveline but there is not grinding of gears, squeal of bearings 
>before or after the event. When it happens there is a big "clunk" 
>sound and a sharp retardation of forward progress. It lasts only 
>a second and then everything is as before. Dealer has no clue about 
>this and it will *not* do it when a mechanic is present (suprise!).
>
>Regards,
>
>Bob
>