GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Express 🢒 Engine 🢒 Engine Mechanical - 6.5L 🢒 Oil Filter Adapter and Bypass Valve Assembly Replacement

Removal Procedure

    Object Number: 181988 Size: SH
  1. Raise the vehicle and support with safety stands.
  2. Remove the oil filter from the oil filter adapter.
  3. Remove the oil filter adapter from the engine block.

    4. Object Number: 66576 Size: SH
  4. Remove the oil cooler bypass valve. Refer to Oil Filter Adapter Removal .

Installation Procedure

    Object Number: 59939 Size: SH
  1. Install the oil cooler bypass valve into the engine block. Refer to Oil Filter Adapter Installation .

    2. Object Number: 181988 Size: SH
  2. Install the oil filter adapter into the engine block.
  3. Install the oil filter to the oil filter adapter.
  4. Remove the safety stands and lower the vehicle.