GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Drain the coolant. Refer to Cooling System Draining and Filling .
  2. Remove the upper filler panel. Refer to Filler Panel Replacement - Upper in Body Front End.
  3. Remove the cross vehicle brace. Refer to Cross Vehicle Brace Replacement in Body Front End.
  4. Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  5. Remove the battery. Refer to Battery Replacement in engine Electrical.
  6. Disconnect the surge tank hoses.

  7. Object Number: 72196  Size: SH
  8. Remove the surge tank.
  9. Transfer the coolant level sensor to the new surge tank.

Installation Procedure

  1. Connect the coolant level sensor connector.

  2. Object Number: 72196  Size: SH
  3. Install the surge tank.
  4. Connect the surge tank hoses.
  5. Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  6. Install the battery. Refer to Battery Replacement in Engine Electrical.
  7. Install the cross vehicle brace. Refer to Cross Vehicle Brace Replacement in Body Front End.
  8. Install the upper filler panel. Refer to Filler Panel Replacement - Upper in Body Front End.
  9. Refill the cooling system. Refer to Cooling System Draining and Filling .