Coolant Bypass Hose Replacement LH2

Tools Required

J 38185 Hose Clamp Pliers

Caution: To avoid being burned, do not remove the radiator cap or surge tank cap while the engine is hot. The cooling system will release scalding fluid and steam under pressure if radiator cap or surge tank cap is removed while the engine and radiator are still hot.

1. Drain the cooling system. Refer to Cooling System Draining and Filling .
2. Remove the surge tank outlet hose assembly. Refer to Radiator Surge Tank Outlet Hose/Pipe Replacement .



3. Disengage tension on the upper coolant bypass hose clamp using the J 38185 .
4. Disengage tension on the lower coolant bypass hose clamp using the J 38185 .
5. Remove the coolant bypass hose from the vehicle.

Important: Lubricate the inside diameters of the hose with clean coolant prior to installation.

1. Install the coolant bypass hose to the vehicle.



2. Position and engage tension on the lower coolant bypass hose clamp using the J 38185 .
3. Position and engage tension on the upper coolant bypass hose clamp using the J 38185 .
4. Install the surge tank outlet hose assembly. Refer to Radiator Surge Tank Outlet Hose/Pipe Replacement .
5. Fill the cooling system. Refer to Cooling System Draining and Filling .

Coolant Bypass Hose Replacement LC3

1. Drain the cooling system. Refer to Cooling System Draining and Filling .
2. Remove the water outlet housing. Refer to Water Outlet Housing Replacement .



3. Compress the clamps (1) as shown, and remove the bypass hose from the water outlet housing.

1. Install the bypass hose and clamps (1) to the water outlet housing.



2. Install the water outlet housing. Refer to Water Outlet Housing Replacement.
3. Fill the cooling system. Refer to Cooling System Draining and Filling.
4. Check the cooling system for leaks.