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Home >> Jeep >> 1988 >> Wagoneer >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.0L 6-CYL - VIN [M] & 4.2L 6-CYL - VIN [C] >> Engine Cooling >> Water Pump >> Cooling System Air Purge (Vehicles W/O Coolant Recovery)

Cooling System Air Purge (Vehicles W/O Coolant Recovery)

Fill system to proper level. Place heater control to "HEAT" position and temperature control to "WARM" or "HIGH" position. Operate engine to normal operating temperature with radiator cap removed. Add necessary coolant and install radiator cap.

NOTE: For further information on cooling systems, see appropriate article in the ENGINE COOLING section.