Question about 2000 Audi A6

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Changing rear brake pads

Having removed the caliper and the two old pads i am unable compress the caliper piston to allow the new pads to fit into the caliper and allow it to sit back on the disc
any ideas what i am not doing

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  • grelian Mar 24, 2009

    tried putting new brake pads on my 1998 audi a8 but could not push the piston back in to fit new pads on. what am i not doing?

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On the rear the piston winds back in at the same time as pushing it not like the front

Posted on Jun 06, 2008

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Two, use a thin piece of wood to help you compress the piston on the caliper....do it slow. This way, you don't create a lot of pressure to the reservoir and it won't overflow.
Three, these are the steps to removing and replacing the pads for the rear. It does mention a special tool....but you can use a c-clamp for the same purpose:

Rear To Remove:
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  2. If required, remove the fluid until the brake master cylinder reservoir is half full. CAUTION
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  3. Remove the disc brake caliper. Support the caliper with mechanic's wire. CAUTION
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  4. Remove and discard the brake pads and spring clips from the brake caliper anchor plate. NOTE: Do not remove the anchor plate guide pins. The guide pins are press fit to the brake caliper anchor plate. If the guide pins are damaged a new anchor plate must be installed.
  5. Inspect the brake caliper anchor plate assembly.
  6. Check the guide pins and boots for binding or damage.
  7. Install a new brake caliper anchor plate if it is worn or damaged.
To Install:
NOTE: The left caliper piston turns clockwise and the right caliper piston turns counterclockwise.
  1. Using the special tool, turn and compress the brake caliper piston into the cylinder.
  2. Clean the residual adhesive from the brake caliper fingers and pistons using the specified brake parts cleaner. CAUTION
    Do not allow grease, oil, brake fluid or other contaminants to contact the brake pad or caliper mating surface. Do not install contaminated pads.
    NOTE: Install all the new hardware supplied with brake pad kit.
  3. Install the new spring clips and brake pads.
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  5. If necessary, fill the brake master cylinder reservoir with clean brake fluid.
  6. With the engine running, apply pressure on the brake pedal to seat the brake pads.
  7. Test the brakes for normal operation.

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