C 1500 Truck 2WD V6-262 4.3L VIN Z (1992)
Torque adjustable lash service studs to 47 N-m (35 lbs.ft.). Install rocker arms P/N 10066063. Install ball P/N 14091813 and nut P/N 477212. Using the
valve lash procedure for adjustable lash valvetrain (pressed-in rocker arm stud procedure) outlined in the service manual, lash the valves to 1.75 turns
down from zero lash (not 1 turn).
NOTE:
1991 net lash LB4 engines may be converted to an adjustable lash system using these same part numbers. However, if the 1991 lifters are
retained, the valves should be lashed to 1 turn down from zero lash.
SERVICE PARTS INFORMATION:
Parts are currently available from GMSPO.
WARRANTY INFORMATION:
Note:
Labor operations are coded to base vehicle coverages in the warranty system.
