70 GMC 4x4,You say you're getting fluid to all four wheels-you don't by chance have the calipers switched from left to right?Look at the bleeder valves-they should be at the highest point on the caliper.
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70 Chevy C/20
72 GMC 1500-SWB/For Sale
72 GMC K/2500
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70 Chevy C/20
72 GMC K /2500
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