GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Avalanche - 4WD 🢒 Engine 🢒 Engine Mechanical - Hybrid (HP2) 6.0L (LFA) 🢒 Oil Level Indicator Tube Replacement

Removal Procedure

    Object Number: 1658141 Size: SH
  1. Remove the oil level indicator (418).
  2. Remove the wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Right Side .
  3. Remove the oil level indicator tube bolt (419).
  4. Remove the oil level indicator tube (420) from the engine block.

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

  5. Inspect the O-ring seal for cuts or damage.
  6. Remove the O-ring seal (421) from the tube, if required.

Installation Procedure

    Object Number: 1658141 Size: SH
  1. Lubricate the O-ring seal (421) with clean engine oil.
  2. Install a NEW O-ring seal onto the oil level indicator tube, if required.
  3. Install the oil level indicator tube (420) between the exhaust manifold and engine block.
  4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Insert 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: Refer to Fastener Notice in the Preface section.

  7. Install the oil level indicator tube bolt (419).

    8. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).

  8. Install the wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Right Side .
  9. Install the oil level indicator (418).