GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Savana 🢒 Engine 🢒 Engine Mechanical - 6.5L 🢒 Oil Level Indicator Tube Replacement

Removal Procedure

    Object Number: 160838 Size: SH
  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.
  2. Remove the air cleaner assembly and air intake duct. Refer to Air Cleaner Assembly Replacement in Engine Controls-6.5L (L65).
  3. Remove the surge tank mounting bolt.
  4. Move the surge tank out of the way. The hoses can remain attached to the surge tank.

    5. Object Number: 565324 Size: SH
  5. Remove the oil level indicator from the tube.
  6. Remove the nut retaining the oil level indicator to the thermostat crossover.
  7. Separate the upper section of the oil level indicator tube from the lower section.

    8. Object Number: 70593 Size: SH
  8. Remove the bolt retaining the engine oil level indicator tube to the left valve rocker arm cover.
  9. Remove the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side in Engine Exhaust.
  10. Remove the lower section of the oil level indicator tube.
  11. Remove and discard the O-ring seal.

Installation Procedure

    Object Number: 70593 Size: SH
  1. Install the new O-ring seal to the oil level indicator tube.
  2. Install the lower section of the oil indicator tube.

    3. 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.

  3. Install the bolt retaining the oil level indicator tube to the valve rocker arm cover.

    4. Tighten
    Tighten the oil level indicator tube bolt to 4 N·m (35 lb in).

  4. Install the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side in Engine Exhaust.

    5. Object Number: 565324 Size: SH
  5. Install a small amount of RTV sealant GM P/N 12346286 to the area on the upper tube where it joins with the lower tube.
  6. Install the upper oil level indicator tube.
  7. Install the nut retaining the oil level indicator tube to the thermostat cross over.

    8. Tighten
    Tighten the oil level indicator tube nut to 22 N·m (16 lb ft).

  8. Install the oil level indicator.
  9. Install the surge tank.

    10. Tighten
    Tighten the surge tank bolt to 6 N·m (53 lb in).

  10. Install the air cleaner assembly and air intake duct. Refer to Air Cleaner Assembly Replacement in Engine Controls-6.5L (L65).
  11. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.