Heater Outlet Hose Replacement L61, LE5

Tools Required

J 38185 Hose Clamp Pliers

Caution: With a pressurized cooling system, the coolant temperature in the radiator can be considerably higher than the boiling point of the solution at atmospheric pressure. Removal of the surge tank cap, while the cooling system is hot and under high pressure, causes the solution to boil instantaneously with explosive force. This will cause the solution to spew out over the engine, the fenders, and the person removing the cap. Serious bodily injury may result.

1. Remove the surge tank cap.
2. Place a drain pan under the heater hoses near the front of the dash.
3. Remove the dash panel exterior sound barrier.



4. Reposition the heater outlet hose clamp at the heater core using J 38185 .
5. Remove the heater outlet hose from the heater core.



6. Reposition the hose heater outlet hose clamp at the engine using J 38185 .
7. Remove the heater outlet hose from the engine.

1. Install the heater outlet hose to the heater core.
2. Reposition the hose clamp to secure the hose using J 38185 .



3. Install the heater outlet hose to the engine.
4. Reposition the hose clamp to secure the hose using J 38185 .
5. Fill the cooling system. Refer to Cooling System Draining and Filling .
6. Remove the drain pan from under the vehicle.
7. Install the dash panel exterior sound barrier.

Heater Outlet Hose Replacement RPO LSJ

Tools Required

J 38185 Hose Clamp Pliers

Caution: With a pressurized cooling system, the coolant temperature in the radiator can be considerably higher than the boiling point of the solution at atmospheric pressure. Removal of the surge tank cap, while the cooling system is hot and under high pressure, causes the solution to boil instantaneously with explosive force. This will cause the solution to spew out over the engine, the fenders, and the person removing the cap. Serious bodily injury may result.

1. Remove the surge tank cap.
2. Place a drain pan under the heater hoses near the front of the dash.
3. Remove the dash panel exterior sound barrier.



4. Reposition the heater outlet hose clamp at the heater core using J 38185 .
5. Remove the heater outlet hose from the heater core and tilt the hose downward toward the drain pan to drain the coolant from the hose.



6. Reposition the hose heater outlet hose clamp at the engine using J 38185 .
7. Remove the heater outlet hose from the engine.

1. Install the heater outlet hose to the heater core.
2. Reposition the hose clamp to secure the hose using J 38185 .



3. Install the heater outlet hose to the engine.
4. Reposition the hose clamp to secure the hose using J 38185 .
5. Fill the cooling system. Refer to Cooling System Draining and Filling .
6. Remove the drain pan from under the vehicle.
7. Install the dash panel exterior sound barrier.