GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 647796  Size: SH
  1. Using compressed air, clean the area around the oil dipstick tube where it enters the engine block.
  2. Remove the oil level indicator from the tube.
  3. Remove the oil level indicator tube bolt.
  4. It maybe necessary to raise the vehicle to gain access to the oil level tube. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Remove the oil level indicator tube from the engine block.
  6. Important: The O-ring seal may be reused if not cut or damaged.

  7. Inspect the O-ring seal for cuts or damage.
  8. Remove the O-ring seal from the tube (if required).
  9. Lower the vehicle.

Installation Procedure


    Object Number: 647797  Size: SH
  1. Lubricate the O-ring seal with clean engine oil.
  2. Install the O-ring seal onto the oil level indicator tube.
  3. Install the oil level indicator tube behind the exhaust manifold.
  4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Install the oil level indicator tube into the block. The tube must be installed with the collar flush to the block.
  6. Notice: Refer to Fastener Notice in the Preface section.

  7. Lower the vehicle.
  8. Install the oil level indicator tube bolt
  9. Tighten
    Tighten the oil level indicator tube bolt to 25 N·m (18 lb ft).


    Object Number: 647796  Size: SH
  10. Install the oil level indicator to the tube.