GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1997 🢒 GMC P62 Commercial Chassis 🢒 Engine 🢒 Engine Mechanical - 6.5L 🢒 Oil Filter Adapter and Bypass Valve Replacement

Removal Procedure

    Object Number: 43395 Size: SH
  1. Raise the vehicle. Support the vehicle with suitable safety stands.
  2. Remove the oil filter.
  3. Remove the block drain bolt.
  4. Remove the expansion plugs and the block heater.
  5. Remove the oil galley plugs.
  6. Remove the oil filter bypass valve using a screwdriver.
  7. Remove the oil cooler bypass valve.

    8. Object Number: 43396 Size: SH
  8. Center punch the cup plug leaving a 3.2 mm (1/8 in) hole.
  9. Install a 4.8 mm (3/16 in) sheet metal screw into the cup plug hole.
  10. Remove the cup plug from the oil cooler bypass valve using a slide hammer.
  11. Clean the recess in the block.

Installation Procedure

    Object Number: 43394 Size: SH
  1. Drive the oil cooler bypass valve into the bore using a socket until it is seated on the shoulder in the bore.

    2. Object Number: 43396 Size: SH
  2. Cup the plug at the oil cooler bypass valve
  3. Install the oil filter bypass valve.
  4. Drive the valve into the bore using a socket until it seats against the shoulder.
  5. Install the expansion plugs and the oil galley plugs.
  6. Install the block heater.
  7. Install the block drain bolt.
  8. Install the oil filter.