GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Chevrolet C-Series Medium Duty Truck B7 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Heater Water Shutoff Valves Description

Heater Water Shutoff Valves Description for Chevrolet Chevrolet C-Series Medium Duty Truck B7 1998

In warm temperature conditions, it by-passes the heater core by turning a handle on each valve. These valves are located on the radiator and on the engine.