GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 37097-A Hose Clamp Remover/Installer

Removal Procedure

  1. Partially drain the engine coolant. Refer to Cooling System Draining and Filling .

  2. Object Number: 517972  Size: SH
  3. Disconnect the surge tank inlet hose (2) from the surge tank (1).

  4. Object Number: 518809  Size: SH
  5. Disconnect the connector (2) from the coolant level sensor.

  6. Object Number: 518257  Size: SH
  7. Remove the secondary AIR relay bracket mounting nuts (2).
  8. Remove the secondary AIR relay bracket (1).

  9. Object Number: 517969  Size: SH
  10. Position the J 37097-A  (3) to the clamp in order to remove the surge tank outlet hose (2) from the surge tank (1).

  11. Object Number: 517960  Size: SH
  12. Remove the surge tank mounting screw (3) and nuts (2).
  13. Remove the surge tank (1).

Installation Procedure


    Object Number: 517960  Size: SH
  1. Position the surge tank (1) over the two studs at the wheelhouse.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the surge tank fasteners.
  4. Tighten
    Tighten the surge tank bolt (3) and nuts (2) to 6 N·m (53 lb in).


    Object Number: 517969  Size: SH
  5. Position the J 37097-A  (3) to the clamp in order to connect the surge tank outlet hose (2) to the surge tank (1).

  6. Object Number: 518257  Size: SH
  7. Install the secondary AIR relay bracket (1) over the studs.
  8. Install the 2 secondary AIR relay bracket nuts (2).
  9. Tighten
    Tighten the nuts (2) to 6 N·m (53 lb in).


    Object Number: 518809  Size: SH
  10. Connect the connector (2) to the coolant level sensor.

  11. Object Number: 517972  Size: SH
  12. Connect the surge tank inlet hose (2) to the surge tank (1).
  13. Fill the cooling system. Refer to Cooling System Draining and Filling .