Vent Hose Replacement 5.3L

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Important: Make a note of the routing in order to aid during reassembly.




2. Disconnect the transmission vent hose retainer (1) from the transmission crossmember.
3. Remove the transmission support cross member. Refer to Transmission Support Crossmember Replacement .
4. Remove the left catalytic converter. Refer to Catalytic Converter Replacement - Right Side .



5. Disconnect the transfer case vent hose (1) from the transfer case.



6. Disconnect the transmission vent hose (3) from the transmission.
7. Disconnect the transmission vent hose retainer (1) from the transmission.
8. Remove the transmission and transfer case vent hose assembly (2) from the transmission.

Important: 

•	Ensure the vent is not plugged.

•	Route the vent hose the same way as removed.

•	Ensure the vent hose is free of kinks and is routed clear of sharp objects.




1. Position the transmission and transfer case vent hose assembly (2) to the transmission.
2. Connect the transmission vent hose retainer (1) to the transmission.
3. Connect the transmission vent hose (3) to the transmission.



4. Connect the transfer case vent hose (1) to the transfer case.
5. Install the left catalytic converter. Refer to Catalytic Converter Replacement - Right Side .
6. Install the transmission support cross member. Refer to Transmission Support Crossmember Replacement .

Important: Make a note of the routing in order to aid during reassembly.




7. Connect the transmission vent hose retainer (1) to the transmission crossmember.
8. Lower the vehicle.

Vent Hose Replacement 3.7L

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Important: Make a note of the routing in order to aid during reassembly.




2. Disconnect the transmission vent hose retainer (1, 6) from the following:

•	The heater pipe bracket (2)

•	The transmission range selector cable bracket (5)

3. Disconnect the transmission vent hose (3) from the transmission vent tube (4).
4. Remove the transmission vent hose (3).

Important: 

•	Ensure the vent is not plugged.

•	Route the vent hose the same way as removed.

•	Ensure the vent hose is free of kinks and is routed clear of sharp objects.

1. Connect the transmission vent hose (3) to the transmission vent tube (4).
2. Connect the transmission vent hose retainer (1, 6) to the following:

•	The heater pipe bracket (2)

•	The transmission range selector cable bracket (5)

3. Lower the vehicle.