GM Service Manual Online
For 1990-2009 cars only

Radiator Surge Tank Inlet Hose/Pipe Replacement L47

Removal Procedure

  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical-4.0L.
  2. Partially drain the Cooling system. Refer to Cooling System Draining and Filling .

  3. Object Number: 527517  Size: SH
  4. Disconnect the surge tank inlet hose from the surge tank.

  5. Object Number: 490598  Size: SH
  6. Remove the PCV fresh air tube (1).

  7. Object Number: 527521  Size: SH
  8. Disconnect the surge tank inlet hose from the engine.

  9. Object Number: 527511  Size: SH
  10. Remove the 2 push nuts attaching the pipe to the engine.
  11. Remove the surge tank inlet hose/pipe assembly from the vehicle.

Installation Procedure


    Object Number: 527511  Size: SH
  1. Install the surge tank inlet hose/pipe assembly to the vehicle.
  2. Install the 2 push nuts attaching the pipe to the engine.

  3. Object Number: 527521  Size: SH
  4. Connect the surge tank inlet hose to the engine.

  5. Object Number: 490598  Size: SH
  6. Install the PCV fresh air tube (1).

  7. Object Number: 527517  Size: SH
  8. Connect the surge tank inlet hose to the surge tank.
  9. Fill the cooling system. Refer to Cooling System Draining and Filling .
  10. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical-4.0L.