A/C - Ticking Noises/Center Vent Malfunctions

A/C - Ticking Noises/Center Vent Malfunctions
Date: February 2, 2007
Order No.: T-B-83.00/86
Supersedes:
Group: 83
SUBJECT:
Model 163.154/157/172/174/175, As of A289560
Clicking Noise and Malfunction of Center Air Outlet
If you receive customer reports in the above model vehicles of a clicking noise and/or a malfunctioning center air outlet, the cause may be a broken
stop on the drive sleeve for the center outlet actuator motor. Follow the procedure below to replace the drive sleeve.
1. Remove the actuator motor for the center air outlet. Refer to WIS document AR83.10-P-2019GH.
2. Remove drive sleeve (Figure 1, 1) for the center air outlet from the AC housing.
3. Install new drive sleeve A163 683 06 54 into the housing (Figures 1 and 2).
4. Install actuator motor.
NOTE: It is not necessary to replace the air outlet module or the actuator motor. The drive sleeve is to be replaced separately.
Parts Information
NOTE:
The following allowable labor operations should be used when submitting a warranty claim for this repair
In Case of Warranty

2000 Mercedes Benz Truck ML 55 AMG (163.174) V8-5.5L (113.981) 309