GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Chevy K Silverado - 4WD 🢒 Engine 🢒 Engine Mechanical - 6.6L 🢒 Oil Level Indicator Tube Replacement

Removal Procedure

    Object Number: 665386 Size: SH
  1. Remove the right front fender wheelhouse inner panel. Refer to Wheelhouse Panel Replacement in Body Front End.
  2. Remove the oil level indicator.
  3. Remove the right exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side in Engine Exhaust.
  4. Remove the starter motor. Refer to Starter Motor Replacement in Engine Electrical.
  5. Remove the heater outlet hose bracket nut (1) and bolt (2).

    6. Object Number: 660377 Size: SH
  6. Remove the fuel injection control module bracket bolt that holds the oil level indicator tube.
  7. Remove the oil level indicator tube and O-ring seals.
  8. Remove and discard the O-ring seals.

Installation Procedure

    Object Number: 660377 Size: SH
  1. Install NEW O-ring seals onto the oil level indicator tube.
  2. Lightly lubricate the O-ring seals with engine oil.
  3. Install the oil level indicator tube.
  4. Install the right exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side in Engine Exhaust.

    5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Install the fuel injection control module bracket bolt holding the oil level indicator tube.

    6. Tighten
    Tighten the bolt to 21 N·m (15 lb ft).

  6. Install the oil level indicator.

    7. Object Number: 665386 Size: SH
  7. Install the heater outlet hose bracket nut (1) and bolt (2).

    8. Tighten

        • Tighten the nut to 9 N·m (80 lb in).
        • Tighten the bolt to 25 N·m (18 lb ft).
  8. Install the starter motor. Refer to Starter Motor Replacement in Engine Electrical.
  9. Install the right front fender wheelhouse inner panel. Refer to Wheelhouse Panel Replacement in Body Front End.