S10/T10 Blazer 2WD V6-4.3L VIN X (2003)
Oil Pressure Sender: Service and Repair
Engine Oil Pressure Sensor and/or Switch Replacement
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Tools Required
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J 41712 Oil Pressure Switch Socket
Removal Procedure
Important: Clean the area around the sensor and Distributor before removal. Do not allow debris to enter the engine.
1. Remove the distributor.
2. Disconnect the engine oil pressure sensor electrical connector.
3. Remove the engine oil pressure sensor using the J 41712.
Important: Note the alignment of the engine oil pressure sensor fitting prior to removal.
4. Remove the engine oil pressure sensor fitting, if necessary.
Installation Procedure
1. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the threads of the fitting and/or the engine oil pressure sensor.
Notice: Refer to Fastener Notice in Service Precautions.