GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C-Series Medium Duty Truck B7 🢒 Engine 🢒 Engine Cooling 🢒 Surge Tank (Diesel) Replacement
  1. Remove the front wheelhouse panel.

    2. Object Number: 198949 Size: SH
  2. Remove the front intake air duct (1) from the air filter housing.
  3. Partially drain the coolant. Refer to Cooling System Draining and Filling .

    4. Object Number: 199125 Size: SH
  4. Remove the coolant level sensor connector (1).

    5. Object Number: 199119 Size: SH
  5. Remove the radiator surge tank inlet hose and the clamps.
  6. Remove the radiator surge tank outlet hose and the clamps.
  7. Remove the surge tank overflow hose and the clamp.
  8. Remove the low coolant sensor.
  9. Remove the radiator surge tank cap.

    10. Object Number: 199133 Size: SH
  10. Remove the radiator surge tank bolts.
  11. Remove the radiator surge tank from the mounting bracket.
  12. Inspect the radiator surge tank mounting bracket for cracks. Replace the mounting bracket if it is damaged.

Installation Procedure

    Object Number: 199133 Size: SH
  1. Install the radiator surge tank to the mounting bracket.

    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 radiator surge tank bolts.

    3. Tighten
    Tighten the radiator surge tank bolts to 13 N·m (115 lb in).

  3. Install the low coolant sensor.
  4. Install the radiator surge tank inlet hose and the clamps.
  5. Install the radiator surge tank outlet hose and the clamps.

    6. Tighten
    Tighten the radiator surge tank hose clamps to 3 N·m (27 lb in).

  6. Install the surge tank overflow hose and the clamp.

    7. Object Number: 199125 Size: SH
  7. Connect the low coolant sensor connector (1).

    8. Object Number: 198949 Size: SH
  8. Install the front air intake duct (1) to the air filter housing.
  9. Install the front wheelhouse panel.
  10. Fill the cooling system. Refer to Cooling System Draining and Filling .
  11. Inspect the system for leaks.