How to replace the radiator on 2005 Buick LeSabre?

To replace the radiator, the coolant must be drained from the engine and the upper radiator seal and tie bar removed. Remove the coolant overflow hose and radiator hoses. Take off the cooling fans and disconnect the transaxle oil cooler lines. Replace radiator, making sure connections are tight and reattach parts. Finally, fill the cooling system and check the level of transmission oil.

OEM 2005 Buick LeSabre Radiator

Cooling Radiator

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2005 Buick LeSabre Radiator Part Number: 89018545
$177.83 MSRP: $265.81
You Save: $87.98 (34%)
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Product Specifications
- Other Name: Radiator Assembly; Radiator, Radiator
- Replaces: 52489507, 25731392
- Item Weight: 18.20 Pounds
- Item Dimensions: 42.4 x 25.2 x 7.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89018545
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick LeSabre Submodels:
- Custom, Limited | 6 Cyl 3.8 L GAS

2005 Buick LeSabre Radiator

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2005 Buick LeSabre Radiator Parts and Q&A

Q: How to replace the radiator on 2005 Buick LeSabre?
A: To replace the radiator, the coolant must be drained from the engine and the upper radiator seal and tie bar removed. Remove the coolant overflow hose and radiator hoses. Take off the cooling fans and disconnect the transaxle oil cooler lines. Replace radiator, making sure connections are tight and reattach parts. Finally, fill the cooling system and check the level of transmission oil.