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Cooling System

2003 Lincoln Navigator Thermostat, Coolant Reservoir

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2003 Lincoln Navigator
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Vehicle Options
Base; 8 Cyl 5.4 L GAS
Vehicle Options
Base; 8 Cyl 5.4 L GAS
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Diagram (1 of 1): Cooling System - Cooling System
2003 Lincoln Navigator Cooling System Diagram
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OEM 2003 Lincoln Navigator Parts for Cooling System

Genuine OEM 2003 Lincoln Navigator parts are made using the original design, the high standards, in the Lincoln official factories, and all of these ensure that they always fit perfectly and easily. FordPartsDeal.com is a trusted source for finding these authentic OEM Cooling System parts at very competitive prices. Our professional team is here to help you choose the right 2003 Lincoln Navigator Thermostat, Coolant Reservoir, and our fast delivery options ensure that your parts are always delivered quickly.

Thermostat Installation and Repair Tips for 2003 Lincoln Navigator

  • Q: How to service and repair the thermostat for the 5.4L (4V) engine on 2003 Lincoln Navigator?
    A: The procedure in repairing the thermostat of the 5.4L (4 V) engine is to drain off half the cooling system. Next, take off the upper radiator hose, heater water inlet hose and the heated PCV inlet hose attached to the water outlet adapter. Disconnect the water hose and lastly, retrace the process in finishing the installation.
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