Heater Inlet Hose Replacement L18

Tools Required

J 43181 Quick Connect Connector Removal Tool

1. Drain the cooling system. Refer to Cooling System Draining and Filling .
2. Remove the air intake tube.
3. Remove the heater and surge tank hose from the mounting clip.



4. Using the J 43181 disconnect the heater hose from the heater core inlet.

4.1.	Install the J 43181 to the heater core pipe.

4.2.	Close the tool around the heater core pipe.

4.3.	Firmly pull the tool into the quick connect end of the heater hose.

4.4.	Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the hose from the heater core.




5. Remove the inlet heater hose (1) from the engine coolant inlet fitting.
6. Remove the inlet heater hose.

1. Install the inlet heater hose.



2. Install the inlet heater hose (1) to the engine coolant inlet fitting.



3. Connect the heater and surge tank hose to the heater core.

Firmly push the quick connect onto the heater core pipe until you hear an audible click.

4. Install the heater and surge tank hose to the mounting clip.
5. Install the air intake tube.
6. Fill the cooling system. Refer to Cooling System Draining and Filling .

Heater Inlet Hose Replacement LB7

Tools Required

J 43181 Quick Connect Connector Removal Tool

1. Drain the cooling system. Refer to Cooling System Draining and Filling .
2. Remove the air intake tube.
3. Remove the heater and surge tank hose from the mounting clip.



4. Using the J 43181 disconnect the heater hose from the heater core inlet.

4.1.	Install the J 43181 to the heater core pipe.

4.2.	Close the tool around the heater core pipe.

4.3.	Firmly pull the tool into the quick connect end of the heater hose.

4.4.	Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the hose from the heater core.




5. Reposition the inlet heater hose clamp from the engine coolant outlet.
6. Remove the inlet heater hose (1) from the engine coolant outlet.
7. Remove the auxiliary inlet heater hose if equipped.
8. Remove the inlet heater hose.

1. Install the heater hose.
2. Connect the auxiliary inlet heater hose if equipped.



3. Install the inlet heater hose (1) to the engine coolant outlet.
4. Reposition the inlet heater hose clamp to the engine coolant outlet.



5. Connect the heater and surge tank hoses to the heater core.

Firmly push the quick connect onto the heater core pipe until you hear an audible click.

6. Install the heater and surge tank hose to the mounting clip.
7. Install the air intake tube.
8. Fill the cooling system. Refer to Cooling System Draining and Filling .

Heater Inlet Hose Replacement LR4,LM7,LQ4

Tools Required

J 43181 Quick Connect Connector Removal Tool

1. Drain the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
2. Remove the air intake tube.
3. Remove the heater and surge tank hose from the mounting clip.



4. Using the J 43181 disconnect the heater hose from the heater core inlet.

4.1.	Install the J 43181 to the heater core pipe.

4.2.	Close the tool around the heater core pipe.

4.3.	Firmly pull the tool into the quick connect end of the heater hose.

4.4.	Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the hose from the heater core.




5. Remove the inlet heater hose from the engine.



6. Remove the inlet heater hose.

1. Install the inlet heater hose.



2. Install the inlet heater hose to the engine.
3. Connect the heater and surge tank hose to the heater core.

Firmly push the quick connect onto the heater core pipe until you hear an audible click.

4. Install the heater and surge tank hose to the mounting clip.
5. Install the air intake tube.
6. Fill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.

Heater Inlet Hose Replacement LU3

Tools Required

J 43181 Quick Connect Connector Removal Tool

1. Drain the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
2. Remove the air intake tube.



3. Using the J 43181 disconnect the heater hose from the heater core inlet.

3.1.	Install the J 43181 to the heater core pipe.

3.2.	Close the tool around the heater core pipe.

3.3.	Firmly pull the tool into the quick connect end of the heater hose.

3.4.	Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the hose from the heater core.




4. Reposition the inlet heater hose clamp from the engine.
5. Remove the inlet heater hose from the engine.



6. Remove the inlet heater hose mounting bolt.
7. Remove the inlet heater hose from the engine.
8. Remove the inlet heater hose.

1. Install the inlet heater hose.
2. Install the inlet heater hose to the engine .
3. Reposition the inlet heater hose clamp to the engine.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

4. Install the inlet heater hose mounting bolt.

Tighten
Tighten the bolt to 25 N·m (18 lb ft).




5. Install the inlet heater hose to the engine.
6. Connect the heater hoses to the heater core.

Firmly push the quick connect onto the heater core pipe until you hear an audible click.

7. Install the air intake tube.
8. Fill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.