Do not remove heater hoses when engine is hot; steam and hot coolant can escape and may
cause injury to personnel.
Position drain pan under valve (7).
Loosen clamp (8) and remove hose (9) from valve (7).
Remove heater control valve (7) from fitting (10).
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful vapors, and
are harmful to skin and clothing. To avoid injury or death, keep away from open fire and use
in a well-ventilated area. If adhesive, solvent, or sealing compound gets on skin or clothing,
wash immediately with soap and water.
Apply sealing compound on heater control
Lever must be on bottom of
valve when valve is installed.
Install heater control valve (7) in
Install heater hose (9) with clamp (8) on
heater control valve (7). Tighten clamp
Open two valves (2) at right front of engine.