V 20 P/U 4WD V8-379 6.2L DSL (1988)
B.
Rear air conditioning (C69): Reduce charge from 5.25 lbs to 4.5 lbs.
2.
Refer to section 1B of the service manual, page 1B-13, for charging and discharging procedures.
Inspection:
1.
Start the engine and check all hose connections for leaks.
2.
Place the climate control lever in the "Max A/C" position and ensure that the water valve is operating properly.
Parts Information:
Parts are currently available through GMSPO.
Warranty Information
For vehicles repaired under warranty use:
Labor Operation Number:
T7001
Labor Time:
.7 hr.
NOTE:
Labor Operation is coded to base vehicle coverage in the warranty system.