Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Engine Lubrication: Service and Repair

REMOVAL
1. Negative (-) battery cable.
2. Rubber boot and electrical connector from oil pressure switch.
3. Oil pressure switch from engine.

NOTE: For oil pressure switch diagnosis, refer to Powertrain Management.

INSTALLATION
1. Coat oil pressure switch threads with GM P/N 12346004 or equivalent, to prevent leaks.
2. Oil pressure switch to engine.
^ Tighten the oil pressure switch to 14 Nm (10 ft. lbs.).
3. Electrical connector and rubber to oil pressure switch.
4. Negative (-) battery cable.