Draining, Flushing, and Refilling Cooling System
1. Remove access panel (A) and slowly turn the radiator cap to relieve pressure, then carefully remove cap (B). 2. Open radiator (C) and engine (D) drain cocks. 3. Remove thermostat cover (E) and thermostats. Install cover without thermostats. Tighten cap screws. IMPORTANT: Thermostats must be removed and cab heater must be in the ON position during the entire flushing procedure. 4. Close drain cocks, fill system with a commercial cooling system cleaning solution . Run engine up to operating temperature. Stop engine and drain system. IMPORTANT: Never pour cold water or coolant into hot engine. 5. Close drain cocks, fill system with clean water . Run engine up to operating temperature. Stop engine and drain system. 6. Remove thermostat cover and clean sealing area. Apply sealant to new gasket and install thermostats and gasket. Tighten cap screws to 48 N·m (35 lb-ft). 7. Close drain cocks again. Fill system with the specified coolant . Run engine to circulate and mix coolant. Coolant level should be up to mark on expansion tank. Add coolant conditioner if required. |
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CAUTION:
Avoid personal injury. DO NOT remove radiator cap when engine is hot. Stop engine and wait until engine has cooled.
AG,RX15494,3195 -19-15FEB00-1/1 |