V 2500 P/U 4WD V6-262 4.3L (1987)
2.
INSTALL NEW REAR MAIN OIL SEAL AND RETAINER. TORQUE RETAINER FASTENERS TO SPECIFICATION.
3.
AFTER TORQUING RETAINER FASTENERS, TORQUE OIL PAN FASTENERS TO SPECIFICATIONS.
IF THIS PROCEDURE IS NOT FOLLOWED, THE OIL PAN MAY INTERFERE WITH THE RETAINER AND NOT ALLOW THE REAR MAIN
OIL SEAL TO CENTER ON THE CRANKSHAFT.
This condition was corrected in production effective with the following VIN breakpoints:
1987
Flint
GMC
HF712338
Chevrolet
HF345461
Janesville
GMC
HJ515177
Chevrolet
HJ138800
Baltimore
GMC
HB512872
Chevrolet
HB150460
St. Louis
GMC
HS515759
Chevrolet
HS144963
Lordstown
GMC
H7512809
Chevrolet
H7138970
Scarborough
GMC
H4507505
Chevrolet
H4114959
1988
Fort Wayne
GMC
Z500019
Chevrolet
Z100022
Pontiac
GMC
JE500221
Chevrolet
JE100451
Oshawa
GMC
SOP
Chevrolet
SOP
