Body - Wind Noise From Outside Mirrors
66 Wind noise from exterior rear view mirror base or at lane change assist lamp
66 13 28
2029586/3
April 10, 2013
Supersedes Technical DIAGNOSIS AND REPAIR Group 66 number 12-23 dated August 3, 2012 for reasons listed below.
378
Vehicle Information
Condition
The customer may report hearing wind noise while driving at highway speeds. The noise may occur on either side of the vehicle.
Technical Background
Wind noise may be coming from either the mirror base or the lane change assist lamp. Improved parts are available.
Production Solution
Improved parts have been implemented into production.
Service
First, identify the portion of the mirror that is the source of the noise by separately taping two areas and performing a road test with the tape in place:
1. Apply tape to the horizontal seam between the mirror mount assembly and the painted cover (Figure 1) to determine if the noise is coming from
the mirror base.
^ If the mirror base is not the source of the noise, move to step 2.
^ If the mirror base is the source of the noise, replace the mirror base according to the ElsaWeb Repair manual: Body >> Body Exterior >> 66
Exterior Equipment >> Removal and Installation >> Exterior rearview mirror >> Exterior rearview mirror
379
2. If the vehicle is equipped with lane change assist, remove the first piece of tape, then apply tape to cover the lane change assist marker lens
(Figure 2) to determine if the lane change assist lamp is the source of the noise.
^ If the lane change assist lamp is the source of the noise, replace one or both of the lamps according to the ElsaWeb Repair manual: Electrical
System >> Electrical Equipment >> 96 Interior Lights, Switches >> Removal and Installation >> Lane Change Assistance >> Lane Change
Assistance Warning Lamp in Exterior mirror
Tip:
If the noise is not coming from either the mirror base or the lane change assist lamp, see TSB 2033517, 66 Wind noise from exterior rear view
mirror housing at turn signal seam.
Warranty
380
Required Parts and Tools
Additional Information
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service
manuals for the latest information.
