Front Auxiliary Heater Outlet and Inlet Line

REMOVAL

NOTE: The front auxiliary heater outlet line is shown; the front auxiliary heater inlet line is similar.

1. Drain the cooling system.
2. Turn the air suspension switch off, if equipped.
3. Raise and support the vehicle.







4. Remove the RH front fender splash shield.
1 Remove the bolts.
2 Remove the pushpins.
3 Remove the front fender splash shield.







5. Remove the four line brackets.
1 Remove the nuts.
2 Remove the bracket by inserting a screwdriver in the bracket slot and twisting.

CAUTION: Pull the bracket off the stud before attempting to pry it off the lines to prevent component damage.







6. Disconnect the heater outlet line from the outlet hose coupling.







7. Disconnect the front auxiliary heater outlet line from the rear auxiliary heater outlet line.
1 Remove the nut.
2 Disconnect the line.







8. Cut the heater outlet line in the locations shown.
9. Remove and discard the cut sections.

INSTALLATION







1. Install the heater outlet line.
- Install the end with the blue tape over the frame.







2. Install the heater outlet line.
- Install the end with the red tape over the frame.
- Install the end with the yellow tape between the frame and the body vertical flange.







3. Connect the two heater water outlet lines.
1 Connect the fitting.
2 Loosely install the nut.







4. Install the heater water outlet line.
- Install the line through the wheel opening.







5. Connect the two heater water outlet lines.
1 Connect the fitting.
2 Loosely install the nut.







6. Tighten the two peanut fittings.







7. Install the line brackets.
1 Position the bracket.
2 Install the nut.
- Snap the line into the bracket.

CAUTION: Verify that clearance exists between the frame and the lines to prevent component damage.

NOTE: The bracket must be positioned equally between the white location marks on the line.







8. Connect the heater water outlet line to the engine heater outlet hose coupling.







9. Install the bolts, the pushpins and the front fender splash shield.
10. Lower the vehicle.
11. Turn on the air suspension switch, if equipped.
12. Fill the cooling system.