Colorado 2WD V8-5.3L (2009)
1. Lubricate the O-ring seal with clean engine oil.
2. Install the O-ring seal onto the oil level indicator tube.
3. Install the oil level indicator tube behind the exhaust manifold.
4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
5. Install the oil level indicator tube into the block. Install the tube with the collar flush to the block.
6. Lower the vehicle.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
7. Install the oil level indicator tube bolt.
Tighten the bolt to 25 Nm (18 lb ft).
8. Install the oil level indicator to the tube.
9. Install the cylinder number 2 spark plug and wire. Refer to Spark Plug Replacement (See: Tune-up and Engine Performance Checks/Spark
Plug/Service and Repair).