Heater Outlet Hose Replacement (LM2)
Removal Procedure
- Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection

- Fuel Heater Inlet and Outlet Nut (1) @ Catalytic Converter Brace Bracket » Remove
- Drain the cooling system. Cooling System Draining and Filling
- Front Wheelhouse Liner - Right Side » Remove — Front Wheelhouse Liner Replacement

- Disconnect the front suspension 4 corner leveling system position sensor link (2) from the electronic suspension front position sensor link ball stud (1), if equipped.
- Disconnect the electrical connector (3), if equipped.
- Loosen the front suspension 4 corner leveling system position sensor nut (4), if equipped.

- Remove the front suspension 4 corner leveling system position sensor (1) from the keyhole slot at the frame, if equipped.

- Fuel Heater Inlet and Outlet Nut (1) » Loosen
- Fuel Heater Inlet and Outlet Bolt (2) » Remove
- Fuel Cooler Coolant Cooler Inlet Hose » Reposition

- Battery Negative Cable Ground Bolt (1) » Remove
- Power Steering Wiring Harness (2) » Reposition

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

- Heater Outlet Hose Clip (1) » Remove

- Heater Outlet Hose Clip (1) @ Heater Outlet Hose Bracket » Remove

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Heater Outlet Hose Retainer (2) » Disengage
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Heater Outlet Hose (1) @ Auxiliary Heater Inlet and Outlet Hose » 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 Clip (1) @ Heater Outlet Hose Bracket » Install
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Heater Outlet Hose Clip (1) » Install
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Heater Outlet Hose (1) @ Heater Coolant Pump » Install
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Heater Outlet Hose Clamp (2) » Engage — Hose Clamp Replacement Guidelines - Spring Type
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Power Steering Wiring Harness (2) » Move into position
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Battery Negative Cable Ground Bolt (1) » Install and tighten — Ground Repair
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Fuel Cooler Coolant Cooler Inlet Hose » Move into position
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Fuel Heater Inlet and Outlet Bolt (2) » Install and tighten — Fastener Specifications
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Fuel Heater Inlet and Outlet Nut (1) » Tighten — Fastener Specifications
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Insert the front suspension 4 corner leveling system position sensor (1) into the keyhole slot at the frame, if equipped.
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Tighten the front suspension 4 corner leveling system position sensor nut (4), if equipped. Fastener Specifications
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Connect the electrical connector (3), if equipped.
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Connect the front suspension 4 corner leveling system position sensor link (2) to the electronic suspension front position sensor link ball stud (1), if equipped.
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Front Wheelhouse Liner - Right Side » Install — Front Wheelhouse Liner Replacement
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Fuel Heater Inlet and Outlet Nut (1) @ Catalytic Converter Brace Bracket » Install and tighten — Fastener Specifications
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Connect the battery negative cable. Battery Negative Cable Disconnection and Connection
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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.
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Clear All Vehicle DTCs
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Perform the electronic suspension position sensor trim height calibration. Automatic Level Control Trim Height Learn