How to replace the engine oil pressure switch on 2005 Buick LeSabre?

Before replacing the engine oil pressure sensor or switch, raise and support the vehicle first. Pull the electrical connector from the engine oil pressure switch and unscrew the switch from the oil filter adapter with the J 417120 Oil Pressure Switch Socket (J 41712). Place the new engine oil pressure switch using the J 41712 to attach it to the oil filter adapter, so that it is tightened to 16 Nm (12 ft. lbs.). After installing, reconnect the electrical connector to the engine oil pressure switch, depress the vehicle, and check for oil leaks after switching on the engine. Finally, Keep the engine oil level to full mark.

OEM 2005 Buick LeSabre Oil Pressure Switch

Oil Pressure Sender Switch

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2005 Buick LeSabre Oil Pressure Sending Unit Part Number: 12677837
$60.29 MSRP: $103.06
You Save: $42.77 (42%)
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Product Specifications
- Other Name: Sensor Assembly-Engine Oil Pressure; Oil Pressure Switch; Sensor, Engine Oil Pressure/Temperature
- Replaces: 12584940
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.2 x 2.0 x 2.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12677837
- 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 Oil Pressure Switch

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2005 Buick LeSabre Oil Pressure Switch Parts and Q&A

Q: How to replace the engine oil pressure switch on 2005 Buick LeSabre?
A: Before replacing the engine oil pressure sensor or switch, raise and support the vehicle first. Pull the electrical connector from the engine oil pressure switch and unscrew the switch from the oil filter adapter with the J 417120 Oil Pressure Switch Socket (J 41712). Place the new engine oil pressure switch using the J 41712 to attach it to the oil filter adapter, so that it is tightened to 16 Nm (12 ft. lbs.). After installing, reconnect the electrical connector to the engine oil pressure switch, depress the vehicle, and check for oil leaks after switching on the engine. Finally, Keep the engine oil level to full mark.