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Home >> Ford >> 2009 >> Explorer 4.6 8, AWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Specifications >> General Specifications

General Specifications

GENERAL SPECIFICATIONS

Item Specification
Cooling System Pressure Test 
Cooling system 138 kPa (20 psi)
Radiator Cap Pressure Test 
Cap 124-152 kPa (18-22 psi)
Thermostat Opening Temperature 4.0L SOHC 
Starts to open 90-94°C (194-201°F)
Fully open 106°C (223°F)
Thermostat Opening Temperature 4.6L (3V) 
Starts to open 87-91°C (189-196°F)
Fully open 100°C (212°F)