GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 GMC C Sierra - 2WD 🢒 General Information 🢒 General Information 🢒 Oil Level Indicator Tube Replacement

Removal Procedure

    Object Number: 647796 Size: SH
  1. Remove the oil level indicator from the tube.

    2. Object Number: 647797 Size: SH
  2. Remove the oil level indicator tube bolt.
  3. Remove the oil level indicator tube from the engine block.

    4. Important: The O-ring seal may be reused if not cut or damaged.

  4. Inspect the O-ring seal for cuts or damage.
  5. Remove the O-ring seal from the tube (if required).

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. Lower the vehicle.

    7. 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.

  7. Install the oil level indicator tube bolt

    8. Tighten
    Tighten the oil level indicator tube bolt to 25 N·m (18 lb ft).


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