17-20. CENTER SUPPORT REPAIR (4L80-E) (Cont'd)
Intermediate clutch plates and backing plate were removed during
Inspect steel clutch plates (1) and backing plate (2) for signs of burning, scoring, or cracks. Replace
any that are burned, scored, or cracked.
Inspect bushing (4) in center support (3) for damage. If damaged, perform steps 9 through 11. If not,
go to step 12.
Using driver handle and bushing remover and installer J 21465-6, remove bushing (4) from center
Align elongated slot in bushing (4) with drilled hole in oil delivery sleeve (6) closest to piston cavity
in center support (3).
Using driver handle and bushing remover and installer, install bushing (4) into center support (3)
until bushing (4) is flush to 0.010 in. (0.254 mm) below top of oil delivery sleeve (6).
Check center support (3) for obstructions in orifice plug (5). Remove obstructions with a piece of
wire. Replace center support if plug (5) is missing or obstructions cannot be removed.