GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Savana 🢒 Body and Accessories 🢒 Interior Trim 🢒 Surge Tank (Diesel) Replacement

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

    2. Object Number: 160835 Size: SH
  2. Remove the overflow hose from the top of the surge tank.
  3. Remove the inlet hose from the top of the radiator and from the surge tank.
  4. Remove the outlet hose from the bottom of the surge tank.
  5. Disconnect the coolant level sensor electrical connector.

    6. Object Number: 160838 Size: SH
  6. Remove the surge tank retaining bolt.
  7. Remove the surge tank from the cowl tabs.
  8. Remove the surge tank from the vehicle.
  9. Clean the surge tank with soap and water.
  10. Rinse the surge tank with clean water.

Installation Procedure

    Notice: When adding coolant, use DEX-COOL® coolant. If silicated coolant is added to the system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner-at 50 000 km (30,000 mi) or 24 months.


    Object Number: 160838 Size: SH
  1. Install the surge tank to the cowl tabs.
  2. Install the surge tank retaining bolt.

    3. Tighten
    Tighten the bolt to 6 N·m (53 lb in).

  3. Connect the coolant level sensor electrical connector.

    4. Object Number: 160835 Size: SH
  4. Install the outlet hose to the bottom of the surge tank.
  5. Install the inlet hose to the top of the radiator and to the surge tank.
  6. Install the overflow hose to the top of the surge tank.
  7. Fill the surge tank with coolant to the proper level. Refer to Cooling System Draining and Filling .