1999 Buick Park Avenue rear disc brake repair

Tiny
BILLTUBE5
  • MEMBER
  • 1999 BUICK PARK AVENUE
Brakes problem
1999 Buick Park Avenue 6 cyl Front Wheel Drive Automatic 119 th miles

I purchased new rear pads. When attempting to press the piston back into the caliper it stopped a quarter of an inch short of being flush with the caliper housing. With pads in place the caliper would not fit over the pads during reassembly. Was I sold the incorrect pads or is there some method to get the piston to go the quarter inch deeper.
Friday, August 28th, 2009 AT 4:39 PM

2 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
You need to use a spanner wrench in the caliper piston slots to rotate the piston until it is bottomed in the caliper.
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Friday, August 28th, 2009 AT 9:18 PM
Tiny
BOWFAN
  • MEMBER
  • 16 POSTS
I agree with bluelightning, You have to use a special tool to turn or thread the rear calipers into the recessed position.

The front calipers can simply be compressed, but the rear need to be turned in.
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Thursday, December 17th, 2009 AT 8:15 PM

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