Ranger 2WD V6-4.0L (2010)
Thermostat: Service and Repair
Thermostat
Thermostat - 4.0L SOHC
Removal and Installation
1. Drain the cooling system. For additional information, refer to the Cooling System Draining, Filling and Bleeding - 4.0L See: Service and
Repair/Cooling System Draining, Filling and Bleeding.
2. Remove the Air Cleaner (ACL) outlet tube. For additional information, refer to Fuel Delivery and Air Induction.
3. Disconnect the upper radiator hose.
4. Remove the 3 bolts, the thermostat outlet housing and the thermostat.
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Inspect the O-ring seal. Install a new O-ring seal if necessary.
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To install, tighten to 10 Nm (89 lb-in).
5. To install, reverse the removal procedure.