Specifications

Measure the accessory drive seal bore.
Accessory Drive Seal Bore I.D.
mm in
80.962 MIN 3.1875
81.038 MAX 3.1905
NOTE: Replace the gear cover if the accessory drive seal
bore is not within specifications.
Measure the crankshaft seal bore.
Crankshaft Seal Bore I.D.
mm in
120.611 MIN 4.7485
120.688 MAX 4.7515
NOTE: Replace the gear cover if the crankshaft seal bore is
not within specifications.
Measure the accessory drive bushing inside diameter.
Accessory Drive Bushing I.D.
mm in
39.75 MIN 1.565
39.90 MAX 1.571
Replace the bushing if it is not within specifications.
Accessory Drive Bushing - Replacement
Use gear cover bushing mandrel, Part No. ST-598, to
remove the accessory drive bushing. Support the oppo-
site side of the cover.
Cylinder Block Gear Cover - Cleaning and Inspection (01-19)
N14 Page 1-71