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09-17-2011, 07:36 PM
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#1 | |
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AF Newbie
Join Date: Nov 2008
Location: Monroe City, Missouri
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Changing Rear Brake Pads on 2007 G6
Ok, I've changed brake pads on GM Cars, Trucks and SUV's and have never had difficulty compressing the brake caliper piston to enable installing new pads. After several attempts using a Disck Brake pad spreader, I gave up. Is it necessary to open the bleeder valve on rear calipers to compress the piston ?
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09-17-2011, 07:45 PM
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#2 | |
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AF Regular
Join Date: Jul 2005
Location: hays, Kansas
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You need a caliper spreader that also turns the piston as it is compressed into the caliper since the rear calipers function as the park brake. The park brake actuator is threaded into the piston. When you apply the park brake the actuator turns and since the piston is keyed to the inner brake pad this causes the piston to extend rather than turn also and apply the brakes. The cube compressors are the cheapest. Just drive the piston into the caliper with a 3/8" extension and ratchet and push as you do it.
Sent from my Droid X. Typos probable.
__________________
ASE Master ASE Advanced Engine performance GM World Class Technician 1978 Pontiac Trans Am 1984 Monte Carlo SS 1991 GMC C1500 2002 Pontiac Grand Prix |
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| The Following User Says Thank You to gmtech79 For This Useful Post: |
Dusty53 (09-17-2011)
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09-17-2011, 08:28 PM
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#3 | |
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AF Newbie
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Re: Changing Rear Brake Pads on 2007 G6
Thank you very much for the information. I'll get one of the cube compressors and finish the job ! Thanks again for your help, it is appreciated.
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09-17-2011, 09:02 PM
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#4 | |
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AF Regular
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You're Welcome. Glad I could help.
Sent from my Droid X. Typos probable.
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ASE Master ASE Advanced Engine performance GM World Class Technician 1978 Pontiac Trans Am 1984 Monte Carlo SS 1991 GMC C1500 2002 Pontiac Grand Prix |
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09-17-2011, 09:37 PM
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#5 | |
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AF Fanatic
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Re: Changing Rear Brake Pads on 2007 G6
Man, they have been doing that since the late 80's , on "W" cars....remember the C-clamp tool with the special fitting on the end, that was needed to depress the piston?
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