Oil Level Indicator and Tube Installation for GMC Truck TopKick C-Series (Conventional) C4/C5 2007

Important: Ensure the oil level indicator tube does not come in contact with the spark plug wires. Route the spark plug wires around the oil level indicator tube.

1. Install a NEW O-ring seal onto the oil level indicator tube.
2. Install the oil level indicator tube into the oil pan.
3. Install the oil level indicator tube bracket to the exhaust manifold stud.

Notice: Refer to Fastener Notice in the Preface section.

4. Install the oil level indicator tube bracket nut to the exhaust manifold stud.

Tighten
Tighten the oil level indicator tube bracket nut to 18 N·m (13 lb ft).