Coolant Bypass Hose Replacement for GMC Truck Savana 2000

1. Disconnect the negative battery cable from the battery terminal. Refer to Battery Negative Cable Disconnection and Connection .
2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement or Air Cleaner Assembly Replacement or Air Cleaner Assembly Replacement or Air Cleaner Assembly Replacement .
3. Drain the engine cooling system. Refer to Cooling System Draining and Filling .
4. Remove the coolant recovery reservoir/surge tank. Refer to Coolant Recovery Reservoir Replacement or Surge Tank (Diesel) Replacement .
5. Remove the upper fan shroud. Refer to Fan Shroud Replacement .



6. Disconnect the by-pass hose from the water pump. For vehicles with the 4.3L and 5.0/5.7L engines.



7. Disconnect the by-pass hose from the water pump. For vehicles with the 7.4L engine.



8. Disconnect the by-pass hose from the water pump. For vehicles with the 6.5L diesel engine.
9. Remove the by-pass hose from the vehicle.

1. Install the by-pass hose to the vehicle.



2. Connect the by-pass hose to the water pump. For vehicles with the 6.5L diesel engine.



3. Connect the by-pass hose to the water pump. For vehicles with the 7.4L engine.



4. Connect the by-pass hose to the water pump. For vehicles with the 4.3L and 5.0/5.7L engines.
5. Install the upper fan shroud. Refer to Fan Shroud Replacement .
6. Install the coolant recovery reservoir/surge tank. Refer to Coolant Recovery Reservoir Replacement or Surge Tank (Diesel) Replacement .
7. Refill the engine cooling system. Refer to Cooling System Draining and Filling .
8. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement or Air Cleaner Assembly Replacement or Air Cleaner Assembly Replacement or Air Cleaner Assembly Replacement .
9. Connect the negative battery cable to the battery terminal. Refer to Battery Negative Cable Disconnection and Connection .