GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 Savana 🢒 Engine 🢒 Engine Mechanical - 8.1L 🢒 Oil Level Indicator Tube Replacement

Removal Procedure

    Object Number: 748731 Size: SH
  1. Remove the oil level indicator from the oil level indicator tube.

    2. Object Number: 748488 Size: SH
  2. Remove the upper oil level indicator tube bolt.
  3. Remove the upper oil level indicator tube from the lower tube.
  4. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.

    5. Object Number: 470639 Size: SH
  5. Loosen the oil level indicator tube bracket nut.
  6. Remove the oil level indicator tube bracket from the exhaust manifold stud.
  7. Remove the oil level indicator tube.
  8. Remove the O-ring seal from the indicator tube.

Installation Procedure

    Object Number: 470639 Size: SH
  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.

    4. 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.

  4. Tighten the oil level indicator tube bracket nut.

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

  5. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.

    6. Object Number: 748488 Size: SH
  6. Apply sealant GM U.S. P/N 12346004, Canada P/N 10953480, or equivalent to the upper oil level indicator tube.
  7. Install the upper oil level indicator tube to the lower tube.
  8. Install the upper oil level indicator tube bolt.

    9. Tighten
    Tighten the upper oil level indicator tube bracket bolt to 12 N·m (106 lb in).


    Object Number: 748731 Size: SH
  9. Install the oil level indicator to the oil level indicator tube.