Thread: 1961 Viking
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Old 03-12-2021, 08:55 PM   #24
1976gmc20
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Join Date: May 2015
Location: Montana
Posts: 3,696
Re: 1961 Viking

All I know is that for a while I had a trailer brake controller teed into the MC to tow a mobile home, and started having brake pedal problems. I took it off and bled the system a bunch of times but I never got it completely right again. It was fine going downhill but you would have to pump it back up when stopping uphill / engine under load.

I did bleed the unit under the cab, but maybe I never did all of them at the same time in the right order? It would be good solid pedal but then would go to nothing after pulling a load with the engine.
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Current/past Chevy/GMC trucks:
1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD

Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner
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