Auxiliary Cabin Heater Intake Muffler: Service and Repair

Removing And Installing Intake Muffler

Preliminary work
Remove complete heater.

Removing intake muffler







1. Unscrew fastening screw -Arrow 1-.







2. Open the fastening clamp -Arrow A- and unscrew the intake muffler -Arrows B-.

Removing intake muffler with intake manifold
1. Unscrew fastening screw -1-.







2. Press the intake muffler upwards slightly -Arrow A- and detach the fastening clamp -Arrow B-.
3. Undo the fastening screw -Arrow 2- and take out the intake muffler with the clamp -Arrow-.







Installing intake muffler
1. Insert the intake muffler in the intake manifold and tighten -Arrows-.







2. Close the fastening clamp and tighten the fastening screw -Arrow 1- to the holder. Tightening torque: 1.5 ftlb.

Installing intake muffler with intake manifold
1. Push the intake muffler onto the flange on the heater -Arrow A-.







2. Engage the fastening clamp on the holder -Arrow B- and position the intake muffler in the installation position-Arrow C-.
3. Secure the intake muffler on the holder with the fastening screw -Arrow 1-. Tightening torque: 1.5 ftlb.







4. Secure the intake muffler with the fastening screw -Arrow 2- on heater.

Subsequent work
Install complete heater.