How to replace the thermostat on 2004 Buick LeSabre?

First, the engine cover and drain the the system of its coolant. Loosen and add the inlet Radiator Hose clamp at the Thermostat Housing, and remove the inlet hose to the housing, using the hose clamp pliers (J 38185). Secondly, take off the Thermostat Housing bolts and the Thermostat Housing after taking off the Thermostat . Clean the mating surfaces of the gasket, the housing, and the intake port before installing a new Thermostat. Mount the Thermostat Housing with a new gasket and fix it with the Thermostat Housing bolts tightening them to 20 nm (15 ft. Lbs.). Lastly, secure the inlet Radiator Hose and clamp, replenish the cooling system and return the engine cover onto its respective place.

OEM 2004 Buick LeSabre Thermostat

Engine Coolant Thermostat

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2004 Buick LeSabre Thermostat Unit
Part Number: 24505924
$23.98 MSRP: $47.60
You Save: $23.62 (50%)
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Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant (W/Gasket); Thermostat; Thermostat, Engine Coolant Temperature
- Item Weight: 0.50 Pounds
- Item Dimensions: 3.3 x 2.2 x 2.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 24505924
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick LeSabre Submodels:
- Custom, Limited | 6 Cyl 3.8 L GAS

2004 Buick LeSabre Thermostat

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2004 Buick LeSabre Thermostat Parts Questions & Experts Answers

Q: How to replace the thermostat on 2004 Buick LeSabre?
A: First, the engine cover and drain the the system of its coolant. Loosen and add the inlet Radiator Hose clamp at the Thermostat Housing, and remove the inlet hose to the housing, using the hose clamp pliers (J 38185). Secondly, take off the Thermostat Housing bolts and the Thermostat Housing after taking off the Thermostat . Clean the mating surfaces of the gasket, the housing, and the intake port before installing a new Thermostat. Mount the Thermostat Housing with a new gasket and fix it with the Thermostat Housing bolts tightening them to 20 nm (15 ft. Lbs.). Lastly, secure the inlet Radiator Hose and clamp, replenish the cooling system and return the engine cover onto its respective place.