Posted 1/30/2010 18:20 (#1049592 - in reply to #1049567) Subject: RE: 2 speed rearend quit working on 77 Chevy C60
Milford, Illinois
If I was guessing, I'd say the vacuum actuator on the rear axle has a hole in the rubber diaphram. That happened to a '63 Chevy C60 of mine. Parts were not easy to find so I took a rubber inner tube and made a new diaphram. Worked fine for several years and now it's gone so I don't know anymore.
2 speed rearend quit working on 77 Chevy C60
