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1970 GMC 5500 series truck
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Posted by Denny on May 26, 2005 at 18:07:03 from (220.127.116.11):
I have a 1970 5500 series GMC truck with a hard brake peddle, I'm talking stand on it with both feet, we have checked all the linkage, replaced the master cylinder, vaccum booster, all the steel lines, inspected the shoes, wheel cylinders, and drums, everything appears to be the way it should be, there is also plenty of vaccum at the booster, and the brakes bleed normaly, we just can't seem to figure it out, anyone out there have any ideas?
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