GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra Classic - 4WD 🢒 Hybrid 🢒 Hybrid Energy Storage 🢒 Radiator Surge Tank Replacement

Removal Procedure

    Object Number: 659051 Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 4.3 L engine, Air Cleaner Assembly Replacement for the 4.8 L, 5.3 L, and 6.0 L engine or Air Cleaner Assembly Replacement for the 8.1 L engine.
  3. Remove the surge tank overflow hose from the surge tank.

    4. Object Number: 674702 Size: SH
  4. Disconnect the coolant level sensor electrical connector (3).

    5. Object Number: 659059 Size: SH
  5. Reposition the surge tank inlet and outlet hose clamps.
  6. If equipped with a 4.3 L, 4.8 L, 5.3 L, 6.0 L, or 8.1 L engine, remove the surge tank inlet (1) and outlet (2) hoses from the surge tank.

    7. Object Number: 721988 Size: SH
  7. Reposition the surge tank inlet hose clamp from the surge tank.
  8. Remove the surge tank inlet hose (1) from the surge tank.

    9. Object Number: 659059 Size: SH
  9. Reposition the surge tank outlet hose clamp from the surge tank.
  10. Remove the surge tank outlet hose (2) from the surge tank.

    11. Object Number: 362165 Size: SH
  11. Remove the bolt from the surge tank.
  12. Remove the nut from the surge tank.
  13. Remove the surge tank.

Installation Procedure

    Object Number: 362165 Size: SH
  1. Install the surge tank.

    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.

  2. Install the bolt to the surge tank.

    3. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  3. Install the nut to the surge tank.

    4. Tighten
    Tighten the nut to 9 N·m (80 lb in).


    Object Number: 659059 Size: SH
  4. Install the surge tank outlet hose (2) to the surge tank.
  5. Position the surge tank outlet hose clamp to the surge tank.

    6. Object Number: 721988 Size: SH
  6. Install the surge tank inlet hose (1) to the surge tank.
  7. Position the surge tank inlet hose clamp to the surge tank.

    8. Object Number: 674702 Size: SH
  8. Connect the coolant level sensor electrical connector (3).

    9. Object Number: 659051 Size: SH
  9. Install the surge tank overflow hose.
  10. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 4.3 L engine, Air Cleaner Assembly Replacement for the 4.8 L, 5.3 L, and 6.0 L engine or Air Cleaner Assembly Replacement for the 8.1 L engine.
  11. Fill the cooling system. Refer to Cooling System Draining and Filling .