How to remove and replace a thermostat on 2004 Volvo V40?

To remove the thermostat, disconnect the battery and drain the cooling system. Remove the engine cover, the coolant hose and unscrew the thermostat housing cover. Replace thermostat and sealing ring, making sure seating is. Reattach parts and re-fill the cooling system, reconnect the battery. Test the thermostat in boiling water.

Genuine 2004 Volvo V40 Thermostat

Engine Coolant Thermostat

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2004 Volvo V40 Thermostat Part Number: 271664
$31.16 MSRP: $46.44
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Product Specifications
- Other Name: Thermostat Kit; Thermostat Insert; Thermostat
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 271664
- Warranty: This genuine part is guaranteed by Volvo's factory warranty.
Fits the following 2004 Volvo V40 Submodels:
- Base, LSE | 4 Cyl 1.9 L GAS

2004 Volvo V40 Thermostat Parts and Q&A

Q: How to remove and replace a thermostat on 2004 Volvo V40?
A: To remove the thermostat, disconnect the battery and drain the cooling system. Remove the engine cover, the coolant hose and unscrew the thermostat housing cover. Replace thermostat and sealing ring, making sure seating is. Reattach parts and re-fill the cooling system, reconnect the battery. Test the thermostat in boiling water.