1. Install the threaded oil jacket plugs.
^ Tighten the oil jacket plugs to 30 Nm (22 ft. lbs.).
NOTICE: Refer to Fastener Notice in Service Precautions.
2. Install the remaining oil gallery plugs using GM P/N 12346004 sealant or equivalent.
Engine Block Plug Installation
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1. Install the threaded oil jacket plugs.
^ Tighten the oil jacket plugs to 30 Nm (22 ft. lbs.).
NOTICE: Refer to Fastener Notice in Service Precautions.
2. Install the remaining oil gallery plugs using GM P/N 12346004 sealant or equivalent.