Auxiliary Heater Outlet and Inlet Line

AUXILIARY HEATER OUTLET AND INLET LINE

Removal

CAUTION: It may be necessary to cut the underbody auxiliary line(s) being serviced into sections to facilitate removal. Make sure to correctly identify the line(s) being serviced before carrying out any cutting of the line(s).

NOTE: Lay out the new lines in vehicle position to assist in the installation.

1. Position the vehicle on a hoist with the gear selector in NEUTRAL.
2. Drain the cooling system.
3. Remove the RH fender splash shield.
4. Remove the RH rear wheel.







5. NOTE: If only one auxiliary heater line is to be removed, disconnect only the desired line.

At the rear of the vehicle, release the clamps and disconnect the auxiliary heater line(s).







6. Remove the five line bracket retaining nuts.







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

Remove the five line brackets by inserting a screwdriver in the stud hole and twisting.







8. NOTE: If only one auxiliary heater line is to be removed, disconnect only the desired line.

Disconnect the auxiliary heater line quick coupling(s).

9. Remove and discard the auxiliary heater inlet line(s).

Installation







1. Install and connect the rear portion of the auxiliary heater inlet line(s).
- Lubricate the coolant hoses with plain water only if needed.

2. Snap the rear auxiliary heater inlet line into the line brackets.







3. Install and connect the front auxiliary heater inlet line(s) through the fender well.







4. Install the auxiliary line brackets and loosely install the nuts.







5. CAUTION: Use a wrench on each side of the fitting to prevent damage to the fitting.

Connect the two auxiliary heater inlet lines.







6. CAUTION: Use a wrench on each side of the fitting to prevent damage to the fitting.

Connect the two auxiliary heater outlet lines.







7. CAUTION: Overtightening of the nut will cause the stud to break away from the floor pan.

Tighten the five bracket nuts.

8. Install the RH fender splash shield.
9. Install the RH rear wheel.
10. Fill the cooling system.