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What size rotors on my '99 A6 Avant?

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Old 06-11-2003, 07:47 AM
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Default What size rotors on my '99 A6 Avant?

I'm about to order rotors. The Performancemotorcars.com website gives me the following choices:

Brake Disc
Front
w/ ATE Calipers
Rotor Size - 288x25mm

Brake Disc
Front
w/ ATE Calipers
Rotor Size - 312x25mm

Being new to me, I don't know what size rotors I need. It's a '99 A6 Avant. Which ones do I order?
Old 06-11-2003, 07:54 AM
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Default The model guide shows 288mm. The most definite way is to pull the wheel and measure.

They will be 11.3" or 12.3" so it won't be hard to tell with a tape measure or ruler.

I'd guess they are the 11" rotors.
Old 06-11-2003, 08:51 AM
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Default Probably 288mm

But as Dan mentioned, its best to measure and be absolutely certain.

We offer an assortment of OEM front rotors, from Brembo, ATE, and Zimmerman. Let us know if we can help you out as well.
Old 06-11-2003, 08:52 AM
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Default Been beat to death. :-) There was a switch in late '99....

...you can measure and/or check the option codes. I would guess you have the 288mm rotor but check to make sure.<ul><li><a href="https://forums.audiworld.com/a6/msgs/209835.phtml">Click for rotor info.</a></li></ul>
Old 06-11-2003, 10:35 AM
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Default Funny - I phoned the only guy who worked on my car...

and he didn't know there were two sizes. He came highly recommended by people in the Canadian forum. Makes me wonder if about his so-called Audi expertise.
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