A6 timing belt service?

[Ti Kan]

Doyt W. Echelberger writes:
> Good morning Listers:     Today I'm looking at a 2000 A6 twin turbo quattro 
> (6 speed) and wonder at what mileage the first timing belt service happens, 
> and what ever other service happens at that time . Then, what is the 
> approximate dealer cost for such service. The car is at 58k.

Audi USA's official change interval for the timing belt on the 2.7T engine
is something like 102K miles.  I think that is too long, and if the
belt is to break you'd have a *very* expensive mess.  I'd recommend a 60K
mile change interval for some peace of mind.

> Model-specific risks to look for  will also help. Regardless, I'll probably 
> have it inspected by my independent mechanic if I like the test drive.

Diverter valves seem to be a consumable on these cars, and the MAF sensor
also seem to go.  Audi has extended the warranty coverage of the MAF
sensor on 2000 2.7Ts to 7 years/70K miles.  If the car is chipped and
driven hard, then the turbos may fail prematurely.  Have your mechanic
dump any DTCs from all the important control units using a VAG scan tool.
This would be helpful to determine if there are any existing issues.

There is a front bumper recall (the LQ campaign) on the A6s.

-Ti
2003 A4 1.8T multitronic
2001 S4 biturbo 6-sp
1984 5000S turbo
1980 4000 2.0 5-sp
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