Power Mirror Glass Shaking

[DvlDogDmaxZ71]

i have a 07 sierra nnbs with the heated power folding mirrors and the glass in the driver side mirror shakes pretty bad when im driving down the road. especially at highway speeds. the passenger side mirror doesnt move a bit. is there something that needs tightening or should i take it to the dealer while in my last few months of warranty?

 

thanks,

[Zembonez]

Do you have a bug shield installed?

[welscher08]

Mine does the same thing, mine is on 03 though. I took it to the dealer when it was there for service, same situation as you. But he just said thats normal and nothing really to tighten, except replace the mirror glass i believe is what he said.

 

Be interesting what you find out, as i notice this one mine as well and would like a fix.

[jblakeney]

See if it is just the glass....... Wiggle the glass all 8 directions...... If it is the clips that hold the glass and bracket on the motor probably is broke or has disconnected...... I have seen this a couple times.... Even on old mirrors.....

 

Edgewise if it is the WHOLE mirror wobbling tighten it up....

 

Jbo

[xc80002]

My 07 did the same thing and the dealer replaced the whole mirror. It was just the glass itself shaking when I was going down the road drove me nuts.

[oldschool327]

There is a TSB on the mirror shake. Maybe Dale has it if not I can get it out of the truck tomorrow.

[DvlDogDmaxZ71]

nope no but shield installed...yea it gets really annoying at night with headlights wigglin back and forth in my mirror. i'll take it by the dealer and see what they have to say about it

[oldschool327]

I have had 4 mirror assemblies replaced and the glass tightened numerous times. It was finally fixed with the TSB......You will laugh when you see it. Torque three nuts to 10 Ft lbs and then "cycle" the power folding mirror each time it happens. Your dealer should have the TSB fix

[oldschool327]

Subject:Left or Right Outside Rearview Mirror Glass Shake/Flutter (Relearn Power Mirrors) #06-08-64-027C - (06/12/2007)

 

 

Models:2007 Cadillac Escalade, Escalade ESV, Escalade EXT

2007 Chevrolet Avalanche, Silverado (New Style), Suburban, Tahoe

2007 GMC Denali, Sierra (New Style), Yukon, Yukon XL

with Power Folding Mirrors (RPO DL3)

 

 

This bulletin is being revised to include the Silverado/Sierra (New Style) models. Please discard Corporate Bulletin Number 06-08-64-027B (Section 08 - Body and Accessories).

Condition

 

Some customers may comment that the left or right outside rearview mirror glass shakes or flutters at normal driving speeds.

Cause

 

 

• The mirror may have been accidentally pushed in manually or obstructed while folding.

• The mirror actuator screws may be loose, allowing the mirror to move.

• The metal spring (driver's side mirror) may not have enough tension to hold the mirror from moving.

Correction

 

Follow the procedure below to correct this condition.

1.<LI type=1>The power folding mirrors should be cycled three times to relearn position. Then perform a road test and check the mirror glass for stability. If stability is not fixed, proceed to Step 2. <LI type=1>Remove the mirror glass. Refer to Mirror Face Replacement in SI. <LI type=1>Check the torque on the four retaining screws on the actuator. Tighten

Tighten the screws to 1.13-1.6 N·m (10-14 lb in).

<LI type=1>Bend the metal spring (driver's side mirror) up to increase tension engagement to the mirror housing 13 mm (1/2 in).

2.Install the glass assembly by pressing firmly, taking care not to allow the spring finger to unseat from its intended track in the mirror housing. Road test the vehicle. If stability is not improved, replace the mirror assembly. Refer to Power Mirror Replacement in SI.

Warranty Information

 

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

B4150

Glass, Outside Rear View Mirror-Right - Replace

Use Published Labor Operation Time

B4151

Glass, Outside Rear View Mirror-Left - Replace

Add:

For Checking Torque and Repositioning Spring and Road Test

0.3 hr

*B9798

Relearn Power Folding Mirrors and Road Test

B4156

Mirror, Outside Rear View-Left - Replace

Use Published Labor Operation Time

B4155

Mirror, Outside Rear View-Right - Replace

A1240

Mirror, Outside Rear View - Color/Clear Coat - Right

A1241

Mirror, Outside Rear View - Color/Clear Coat - Left

*This labor operation number is for bulletin use only. This number will not be published in the Labor Time Guide.

[DvlDogDmaxZ71]

thanks oldschool327 and semper fi brother!

[oldschool327]

No problem Matt! That mirror issue drove me crazy when we moved from Pendleton to Lejuene. Cherry Point Dealer finally found the problem and fixed it. Hope it helps

 

Brian

[DvlDogDmaxZ71]

dealer called and said they are gonna replace the entire assembly. ill be gettin it done tommorrow

[oldschool327]

Great, Glad to see they are working it!