GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 Savana 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Oil Level Indicator Tube Replacement

Removal Procedure

    Object Number: 374484 Size: SH
  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.
  2. Remove the bolt holding the coolant recovery reservoir and set the reservoir aside.
  3. Remove the oil level indicator.
  4. Remove the screw holding the oil level indicator and the transmission fluid fill tube to the oil fill tube lower support.

    5. Object Number: 183393 Size: SH
  5. Remove the top half of the oil level indicator tube from the bottom half.
  6. Clean the old sealer from the tube.

    7. Object Number: 172977 Size: SH
  7. Remove the oil level indicator tube bolt.
  8. Remove the oil level indicator tube from the engine using a twisting motion.
  9. Clean the old sealer from the oil level indicator tube and the engine block.

Installation Procedure

    Object Number: 176058 Size: SH
  1. Apply sealer GM P/N 12346004, or equivalent to the area where the oil level indicator tube fits into the engine block.
  2. Install the oil level indicator tube to the engine.

    3. Refer to Oil Level Indicator and Tube Installation .

  3. Line up the indicator tube with the spark plug wire harness support bolt hole.

    4. Object Number: 188009 Size: SH

    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. Install the oil level indicator tube bolt.

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


    Object Number: 183393 Size: SH
  5. Apply sealer, GM P/N 12346004 or equivalent, on the upper oil level indicator tube to the area where it fits into the lower half.
  6. Install the oil level indicator tube upper half to the lower half.

    7. Object Number: 374484 Size: SH
  7. Install the screw that holds the oil level indicator tube and the transmission fluid fill tube to the oil fill tube lower support.
  8. Install the oil level indicator.
  9. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.
  10. Position the coolant recovery reservoir and install the bolt.