K 1500 Truck 4WD V8-454 7.4L (1988)
High Pressure Safety Valve HVAC: Service and Repair
With R-4 Compressor
R-4 Compressor Component View
Remove or Disconnect
1. Valve (24).
2. Seal (23).
Install or Connect
1. Seal (23).
^
Dip the seal in clean 525 viscosity refrigerant oil before inserting it into the valve cavity.
2. Valve (24).
Tighten
^
Valve (24) to 17 N.m (13 ft. lbs.).
