FTO1978

Very simple. If anyone is interested I post procedure.

lkeneston

I don't think you HAVE to but your SUPPOSED to, whats the bently say?

Aarononymous

It will think the old pads are in and give you a low pad warning maybe?

FTO1978

I drove the car twenty miles in city after pads replacement. No low pad warning light, parking brake works fine as does the regular brakes.

Mister Bally

If not, do you get the "Service!" message when you start the car?

That's the main reason I bought the interface from Ross-Tech. The software was *free*. Plus, when the dreaded check engine light is on, the software helps with troubleshooting. Even for some problems that don't trigger the check engine light.

It is something worth having if you own one of these beasts.

lkeneston

There are many good reasons to buy one.

MP4.2+6.0

of the sensor at the pad itself. that's how the fronts work anyway. Havent done the rears though.

8Pack

It would be very helpful to everyone to have available. I am getting ready to do mine and have been looking for a detailed procedure on how to do without the software or if it was possible.

Thanks!

FTO1978

1. remove calipers from carrier.
2. unplug parking brake motor connector.
3. remove parking brake motor assembly from caliper by unscrewing two Torx 30 bolts that hold the motor to the caliper.
4. unscrew torx 30 adjusting screw on the back of the caliper piston were the motor was removed from. can't remember which way. one way tightens the screw to the inside of the piston and the other way loosens.
5. depress piston with large c-clamp.
6. install new pads.
7. fit caliper over new pads and temporarly bolt caliper to carrier. pump brake peddle until hard.
8. screw in torx 30 on the back of the piston until there is slight pressure (the adjusting screw is against the inside of the piston).
9. remove caliper and install the parking brake motor assembly back onto the caliper. make sure the adjustment splines line up by rotating that motor assembly.
10. bolt on motor assembly and reassemble the caliper to the carrier.

I agree VAG is the best way and car may still think the old pads are in. I wonder if the 1K miles rear brake automatic adjustment resets pad thickness?

Aarononymous

installed or changed. As the pad wears the electromechanical caliper measures how much the piston extends. That is why I think It might give the warning soon, perhaps not though.