Oil Level Indicator and Tube Installation
1. Apply sealer GM P/N 12345739 or equivalent to the area of the oil level indicator tube that goes into the engine block.
2. Install the oil level indicator and oil level indicator tube.
3. Install the thermostat bypass pipe.
4. Install the thermostat bypass pipe hose.
5. Install the thermostat bypass pipe hose clamps.
6. Install the thermostat bypass pipe to [1][2]engine front cover bolt.
^ Tighten the thermostat bypass pipe to [1][2]engine front cover bolt to 11 Nm (98 inch lbs.).
Notice: Refer to Fastener Notice in Service Precautions.
7. Install the thermostat bypass pipe to cylinder head nut.
^ Tighten the thermostat bypass pipe to cylinder head nut to 25 Nm (18 ft. lbs.).
8. Install the thermostat bypass pipe to throttle body hose clamps.
9. Install the thermostat bypass pipe to throttle body nut.
^ Tighten the thermostat bypass pipe to throttle body nut to 25 Nm (18 ft. lbs.).