Interior - Noises From The Instrument Cluster Area

Date: February 12, 2009

Order No.: P-B-68.10/65a

Supersedes: P-B-68.10/65 dated Nov. 29, 2006

Group: 68

Revision History

Revision Date Purpose

a 2/12/09 Applicable Models Updated

- 11/29/06 Initial issue

SUBJECT:
Model 221.171/176/177/179/186

Noises at the Instrument Cluster

This bulletin is intended to assist in finding an effective solution to the complex topic of customer reports of "noise" in the region of the instrument cluster and COMAND display.





A. Cracking/Creaking Noises from Instrument Cluster (Figure 1, 1) - Instrument cluster panel is resting against instrument cluster vent cover.

Remedy A:

1. Remove upper instrument cluster panel, see WIS document AR54.25-P-1000SX.





2. Bond a 7 mm x 8 cm (left arrow, Figure 2) and a 7 mm x 5.5 cm (Figure 2, right arrow) piece of tricot tape to the underside of the instrument cluster panel as shown in Figure 2.

Note:
Step 2 (Condition A) of this repair is non-time claimable under Group 68.

3. Reinstall upper instrument cluster panel, see WIS document AR54.25-P-1000SX.

B. Creaking Noises Located at the Bottom of the Instrument Cluster (Figure 1, 2) - The positioning tab of the cover under the instrument cluster rubs against the opposing rib of the switch panel.

Remedy B:

1. Remove lower instrument cluster panel, see WIS document AR54.25-P-1000SX.





2. Bond a 1.5 cm x 1.5 cm piece of tricot tape to both sides of tab on the instrument cluster panel as shown in Figure 3.

3. Bond a 7 mm x 5 cm piece of tricot tape on the underside of the instrument cluster panel as shown in Figure 3.

Note:
Step 2 and 3 (Condition B) of this repair are non-time claimable under Group 68.

4. Reinstall lower instrument cluster panel, see WIS document AR54.25-P-1000SX. Note: Verify tricot tape is not visible when instrument cluster panel is reinstalled.

C. Creaking Noises Located at the Sides of the Lower Central Display Cover (Figure 1, 3) - Contact surfaces of the central display cover rub against the opposing components of the ventilation cover.

Remedy C:

1. Remove lower instrument cluster panel, see WIS document AR54.25-P-1000SX.





2. Bond a 7 mm x 1 cm piece of tricot tape at both ends on the instrument cluster panel as shown in Figure 4.

Note:
Step 2 (Condition C) of this repair is non-time claimable under Group 68.

3. Reinstall lower instrument cluster panel, see WIS document AR54.25-P-1000SX.





Parts Information

Note:
The following allowable labor operations should be used when submitting a warranty claim for this repair. This information has been generated on February 12, 2009. Please refer to Netstar --> Star TekInfo --> Star Time for the most current labor time allowance.





In Case of Warranty, use the table above.