GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Chevy C Cab/Chassis HD (GMT 400) 🢒 Engine 🢒 Engine Mechanical - 6.5L 🢒 Oil Filter Bypass Valve Replacement

Removal Procedure

    Object Number: 260117 Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the oil filter.

    3. Object Number: 524884 Size: SH
  3. Pry out the oil filter bypass valve using a screwdriver.
  4. Remove the oil cooler bypass valve using the following procedure:
    5. 4.1. Install a sheet metal screw into the hole in the cup plug.
    4.2. Using side cutters or pliers, pry out the cup plug.
    4.3. Pry out the oil cooler bypass valve using a screwdriver.

Installation Procedure

    Object Number: 524884 Size: SH
  1. Install the oil cooler bypass valve using a socket the same size as the outside diameter of the valve. Drive the valve into the bore until the valve seats on the shoulder in the bore.

    2. Important: The cup plug has an orifice hole that prevents an air lock from occurring and blocking the oil flow.

  2. Install the cup plug for the oil cooler bypass valve.
  3. Install the oil filter bypass valve using a socket the same size as the outside diameter of the valve. Drive the valve into the bore until the valve seats on the shoulder in the bore.

    4. Object Number: 260117 Size: SH
  4. Install the oil filter fitting into the engine block.
  5. Install a new oil filter.
  6. Lower the vehicle.
  7. Inspect the engine oil level and add as required.