How to service the thermostat for the 4.6L and 5.4L (2V) engines on 2004 Ford Expedition?

Service of the thermostat for 4.6L and 5.4L (2V) engines starts with draining the engine cooling system partially. The water outlet adapter requires detachment from the upper radiator hose as the first step. First remove the power steering reservoir upper mounting bracket and then detach the bolts holding the water outlet adapter before disconnecting the water outlet adapter from the system. The water thermostat service requires you to remove it with the O-ring seal while discarding the O-ring seal. After finishing the installation follow all the steps executed during uninstallation.

OEM 2004 Ford Expedition Thermostat

Engine Coolant Thermostat

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2004 Ford Expedition Thermostat
Part Number: 7L3Z-8575-E
$20.68 MSRP: $32.00
You Save: $11.32 (36%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat; Thermostat, Coolant
- Replaces: 7L3Z-8575-D, 7L3Z-8575-B, AL3Z-8575-B, RT-1196, RT-1230, 3L3Z-8575-AA, 3L3Z-8575-AC, 7L3Z-8575-C, AL3Z-8575-A, RT-1204, RT-1234, RT-1178, RT-1229, RT-1165
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7L3Z-8575-E
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following 2004 Ford Expedition Submodels:
- Eddie Bauer, EL Eddie Bauer, EL King Ranch, EL Limited, EL XL, EL XLT, Funkmaster Flex Edition, King Ranch, Limited, NBX, XL, XLS, XLT, XLT Sport | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS

2004 Ford Expedition Thermostat

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2004 Ford Expedition Thermostat Parts Questions & Experts Answers

Q: How to service the thermostat for the 4.6L and 5.4L (2V) engines on 2004 Ford Expedition?
A: Service of the thermostat for 4.6L and 5.4L (2V) engines starts with draining the engine cooling system partially. The water outlet adapter requires detachment from the upper radiator hose as the first step. First remove the power steering reservoir upper mounting bracket and then detach the bolts holding the water outlet adapter before disconnecting the water outlet adapter from the system. The water thermostat service requires you to remove it with the O-ring seal while discarding the O-ring seal. After finishing the installation follow all the steps executed during uninstallation.