Section 34 (Locking Hubs - Automatic): Overhaul: Disassembly
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 1986 GMC Suburban, 1986 GMC S15 Pickup, 1986 GMC S15 Jimmy, 1986 GMC Pickup, and 1986 GMC Jimmy. However, it is still accessible from the selected car via links, so may be relevant.
- Remove snap ring from hub sleeve groove. Turn clutch gear until it engages with outer clutch housing. Lift and cock drag sleeve to unlock brake band tangs from inner cage window. Remove drag sleeve and the brake assembly.NOTE: Brake should never be removed from drag sleeve. Brake band spring tension can be changed if coils are overexpanded.
- Remove snap ring from outer clutch housing groove. Using a small screwdriver, while removing inner cage, pry plastic outer cage from inner cage. Pry plastic outer cage tabs from groove in outer clutch housing. Remove outer cage.
- Remove clutch sleeve and attached components from outer clutch housing. Compress and hold return spring with fabricated clamps. See Fig 1 . After installing clamps, put assembly in vise so vise holds both ends of clutch sleeve.
- Remove retaining ring. Remove clamps holding return spring. Slowly open vise. Remove retainer seat, spring and spring support washers from hub sleeve.
- Remove "C" retaining ring from clutch sleeve by positioning assembly so "C" ring ends align with cam follower legs and removing "C" ring through follower legs.
- Remove conical spring from between cam follower and clutch gear. Separate cam follower from clutch gear.