GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Chevy K Silverado - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Oil Filter Bypass Valve Replacement

Removal Procedure

    Object Number: 316766 Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Position a suitable container under the vehicle to catch the oil.
  3. Remove the oil filter.

    4. Object Number: 519269 Size: SH
  4. Using a suitable prying tool, remove the oil filter bypass valve.
  5. Clean and inspect the valve bore for damage.

Installation Procedure

    Object Number: 519270 Size: SH
  1. Install a NEW oil filter bypass valve using the following procedure:
    2. 1.1. Use a brass drift that is the same diameter as the outside diameter of the oil filter bypass valve.
    1.2. Install the oil filter bypass valve into the oil gallery bore until slightly below flush with the surface of the engine block.
    1.3. Using a pointed punch, stake the engine block area around the oil filter bypass valve.

    Stake in 3 locations 120 degrees apart.


    Object Number: 316766 Size: SH
  2. Install the oil filter. Refer to Engine Oil and Oil Filter Replacement .
  3. Lower the vehicle.