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Cooling System

2009 Mercury Mountaineer Thermostat, Coolant Reservoir

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Diagram (1 of 1): Cooling System - Cooling System
2009 Mercury Mountaineer Cooling System Diagram
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OEM 2009 Mercury Mountaineer Parts for Cooling System

Genuine OEM 2009 Mercury Mountaineer parts are made using the original design, the high standards, in the Mercury 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 2009 Mercury Mountaineer Thermostat, Coolant Reservoir, and our fast delivery options ensure that your parts are always delivered quickly.

Coolant Reservoir, Thermostat Installation and Repair Tips for 2009 Mercury Mountaineer

  • Q: How to service the thermostat on a 4.0L SOHC engine on 2009 Mercury Mountaineer?
    A: The thermostat on a 4.0L SOHC engine may be serviced by first draining the cooling system, unplugging the upper radiator hose and unbolstering the thermostat housing cover. Remove thermostat and examine the O-ring seal replacing it where necessary. Turn the process around so that the new thermostat and housing are fitted.
  • Q: How to Service the Coolant Reservoir on 2009 Mercury Mountaineer?
    A: Before attending to the coolant expansion tank, allow the engine to cool to keep away air. Unplug the coolant overflow hose and disconnect the MAF sensor wiring, when necessary. Take off the tank by taking off the bolts, and then put it back, tightening it to 7 Nm. Add a 50/50 mixture of coolant and water to the tank.
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