G 3500 1 Ton Van V8-454 7.4L VIN N TBI (1995)
Rocker Arm Assembly: Service and Repair
Rocker arm studs that have damaged threads may be replaced with standard studs. Loose studs should be replaced with 0.003 inch or 0.013 inch
oversize studs which are available for replacement.
The rocker arm studs are threaded into the cylinder head. Unscrew studs to remove damaged/ worn studs. Coat threads on cylinder head end of
stud with sealer before assembling to head.