17-6. OIL PUMP REPAIR (3L80) (Cont' )
Inspect pump cover (7) for galling or scoring. Replace oil pump if cover (7) is damaged.
Inspect stator shaft splines (5) for damage. Replace oil pump if splines (5) are damaged.
Inspect oil ring grooves (8) for damage. Replace oil pump if grooves (8) are damaged.
Inspect front and rear stator shaft bushings (4) for damage. If damaged, perform steps 13
through 15. If not, go to d. assembly.
Replacement procedures for front or rear stator shaft bushings are
basically the same. Steps 13 through 15 cover the front stator
Mount pump cover (7) in soft-jawed vise.
Using bushing remover J21465-15, slide hammer adapter, and slide hammer, remove stator shaft
bushing (4) from stator shaft (6). Discard bushing (4).
Use bushing installer J21465-2 if replacing rear stator shaft
Using driver handle and bushing installer J21465-3, install bushing (4) in stator shaft (6).