Workshop Repair and Service Manuals GMC SIERRA
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06-08-64-027K Mirror Housing and or Mirror Glass Shake Flutter Vibration – Power Outside Rearview OSRV Left Right (Perform Repairs As Outlined) - (Aug 7 2012) - part 2

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Identify the four motor/actuator assembly to mirror housing mounting screw (silvercolored screws) locations (1).Using a T10 Torx, tighten the four motor/actuator assembly to mirror housing mountingscrews (1) as specified. Do Not over tighten the screws.

Tighten

Tighten the screws to 1.13-1.6-Y (10-14-lb-in).

#06-08-64-027K: Mirror Housing and/or Mirror Glass Shake, Flutter, Vibration – Power Outside Rearview, OSRV, Left, Right (Perform Repairs As Outlined) - (Aug 7, 2012)

Note:Driver’s side mirror locations (1) shown; the outboard screw location (2) is oppositeon the passenger side mirror.

Identify the four motor/actuator housing cover retaining screw (black color screws)locations (1).

#06-08-64-027K: Mirror Housing and/or Mirror Glass Shake, Flutter, Vibration – Power Outside Rearview, OSRV, Left, Right (Perform Repairs As Outlined) - (Aug 7, 2012)

To access the motor/actuator housing cover retaining screws located along the outeredge (1), tilt the mirror glass adapter plate inward toward the motor/actuator housingas appropriate.

#06-08-64-027K: Mirror Housing and/or Mirror Glass Shake, Flutter, Vibration – Power Outside Rearview, OSRV, Left, Right (Perform Repairs As Outlined) - (Aug 7, 2012)

Using a T10 Torx, tighten the four motor/actuator housing cover retaining screws (1)until secure. DO NOT over tighten the screws.

#06-08-64-027K: Mirror Housing and/or Mirror Glass Shake, Flutter, Vibration – Power Outside Rearview, OSRV, Left, Right (Perform Repairs As Outlined) - (Aug 7, 2012)

Note:For DL3 and DL8 mirrors, this step applies to the driver's side mirror only. The passengerside mirror does not have anti-rattle springs. For the DPN mirror, both driver andpassenger upper mirrors have 3 anti-rattle springs.

Note:DL3 and DL8 mirrors on early vehicles incorporated one anti-rattle spring. Later designsincorporate two anti-rattle springs.

Bend the metal anti-rattle springs (1) outward slightly to increase the tension engagementto the mirror housing.

#06-08-64-027K: Mirror Housing and/or Mirror Glass Shake, Flutter, Vibration – Power Outside Rearview, OSRV, Left, Right (Perform Repairs As Outlined) - (Aug 7, 2012)

Install the OSRV mirror glass (2) to the motor/actuator assembly (1), taking carenot to allow the anti-rattle spring fingers to unseat from their intended tracks inthe mirror housing. Refer to Outside Rearview Mirror Glass Replacement in SI.Warranty Information

Important:Only one Labor Operation should be claimed depending on the actual repair.

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

B9798*

Relearn Power Folding Mirrors and Road Test

0.3-hr

B4160

Outside Rearview Mirror Motor Replacement (One Side) (Condition 2) (2010-2013)

Use Published Labor Operation Time

B4160

Outside Rearview Mirror Motor Replacement – Right Side (Condition 2) (2007-2009)

B4161

Outside Rearview Mirror Motor Replacement – Left Side (Condition 2) (2007-2009)

*This is a unique labor operation for bulletin use only. It will not be publishedin the Labor Time Guide.

GM bulletins are intended for use by professional technicians,NOT a "do-it-yourselfer".  They are written to inform thesetechnicians of conditions that may occur on some vehicles, or toprovide information that could assist in the proper service of avehicle.  Properly trained technicians have the equipment,tools, safety instructions, and know-how to do a job properly andsafely.  If a condition is described, DO NOT assume that thebulletin applies to your vehicle, or that your vehicle will havethat condition.  See your GM dealer for information on whetheryour vehicle may benefit from the information.

#06-08-64-027K: Mirror Housing and/or Mirror Glass Shake, Flutter, Vibration – Power Outside Rearview, OSRV, Left, Right (Perform Repairs As Outlined) - (Aug 7, 2012)

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