How to service the thermostat on 2005 Ford Focus?

Service of a thermostat begins with placing the vehicle on a hoist when the transmission sits in NEUTRAL gear. Service the thermostat by first removing the air conditioning compressor while draining the cooling system. Start by removing the cooling fan motor and shroud before disconnecting hoses from the thermostat housing by spring-clamp release followed by hose twisting steps. You must first remove the housing securing bolts because you need to separate the thermostat from the housing while it exists as a single unit. Before installation of the thermostat housing O-ring you must apply clean engine coolant as a lubricant. The cooling system completion requires a reversal of removal procedures, including filling and bleeding of the system.

OEM 2005 Ford Focus Thermostat

Engine Coolant Thermostat

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2 Thermostats found

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2005 Ford Focus Thermostat Housing
Part Number: 3M4Z-8575-B
$32.93 MSRP: $52.29
You Save: $19.36 (38%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat Kit; Thermostat Housing Cover; Thermostat Integral; Thermostat, Coolant; Thermostat Unit; Thermostat; Engine Coolant Thermostat
- Replaces: 3M4Z-8575-A, 3M4Z-8575-AB
- Base No.: 8575
- Item Weight: 0.90 Pounds
- Item Dimensions: 8.7 x 7.7 x 7.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 3M4Z-8575-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Ford Focus Submodels:
- LX, S, SE, SEL, SES, ST, ZTS, ZTW, ZX3, ZX4 ST, ZX5 | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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2005 Ford Focus Thermostat Housing
Part Number: 1S7Z-8575-AG
$132.84 MSRP: $223.64
You Save: $90.80 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat; Thermostat Housing Cover; Thermostat
- Base No.: 8575
- Item Weight: 0.80 Pounds
- Item Dimensions: 8.5 x 7.9 x 7.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 1S7Z-8575-AG
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Ford Focus Submodels:
- S, SE, SEL, SES, ST, ZX3, ZX4, ZX4 ST, ZX5, ZXW | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS

2005 Ford Focus Thermostat

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2005 Ford Focus Thermostat Parts Questions & Experts Answers

Q: How to service the thermostat on 2005 Ford Focus?
A: Service of a thermostat begins with placing the vehicle on a hoist when the transmission sits in NEUTRAL gear. Service the thermostat by first removing the air conditioning compressor while draining the cooling system. Start by removing the cooling fan motor and shroud before disconnecting hoses from the thermostat housing by spring-clamp release followed by hose twisting steps. You must first remove the housing securing bolts because you need to separate the thermostat from the housing while it exists as a single unit. Before installation of the thermostat housing O-ring you must apply clean engine coolant as a lubricant. The cooling system completion requires a reversal of removal procedures, including filling and bleeding of the system.