Heater Outlet Hose Replacement (L84, L87)
Removal Procedure
- Drain the cooling system. Cooling System Draining and Filling

- Heater Outlet Hose Clamp (1) @ Heater Coolant Pump » Disengage — Hose Clamp Replacement Guidelines - Spring Type
- Heater Outlet Hose (2) @ Heater Coolant Pump » Remove
- Lower the vehicle.

- Heater Outlet Hose (3) @ Heater Inlet and Outlet Hose Clip (1) » Remove
- Heater Outlet Hose Clamp (4) » Disengage — Hose Clamp Replacement Guidelines - Spring Type
- Heater Outlet Hose (3) @ Radiator Surge Tank Outlet Hose » Remove
- Heater Outlet Hose Clip (2) @ Heater Water Auxiliary Pump Hose » Remove

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Heater Outlet Hose Retainer (2) @ Auxiliary Heater Inlet and Outlet Hose » Disengage
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Heater Outlet Hose (1) » Remove Installation Procedure
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Heater Outlet Hose (1) @ Auxiliary Heater Inlet and Outlet Hose » Install
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Heater Outlet Hose Retainer (2) » Engage
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Heater Outlet Hose (3) @ Radiator Surge Tank Outlet Hose » Install
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Heater Outlet Hose Clamp (4) » Engage — Hose Clamp Replacement Guidelines - Spring Type
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Heater Outlet Hose (3) @ Heater Inlet and Outlet Hose Clip (1) » Install
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Heater Outlet Hose Clip (2) @ Heater Water Auxiliary Pump Hose » Install
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Raise and support the vehicle. Lifting and Jacking the Vehicle
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Heater Outlet Hose (2) @ Heater Coolant Pump » Install
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Heater Outlet Hose Clamp (1) » Engage — Hose Clamp Replacement Guidelines - Spring Type
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Lower the vehicle.
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Fill the cooling system to the proper level. Cooling System Draining and Filling
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Start the engine and check for coolant leaks.