Remove or Replace Upper Glass on 2015 Style GM Tow Mirrors (1988-2019 Chevy/GMC Tow Mirrors)

Remove or Replace 3.5" Upper Glass on 2015 Style Aftermarket GM Tow Mirrors (1988-2019 Chevy/GMC Tow Mirrors) Reading Remove or Replace Upper Glass on 2015 Style GM Tow Mirrors (1988-2019 Chevy/GMC Tow Mirrors) 4 minutes Next Remove or Replace OEM 2015 Style GM Tow Mirror Upper Glass (1988-2019 Chevy/GMC Tow Mirrors)

By Boost Auto PartsNov 2, 2021

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How To Remove or Replace OEM or Aftermarket Upper Tow Mirror Glass on 2015+ Style GM Tow Mirrors

Introduction:

The instructions below will cover the removal and replacement of 2015+ Style GM Tower Mirror Upper Glass on 2015-2019 OEM or 1988-2019 GM aftermarket Chevy and GMC tow mirrors. This procedure applies to OEM mirrors, Boost Auto Parts Mirrors, and other aftermarket mirrors. If your upper glass is broken or shattered on your towing mirrors, this simple procedure will resolve that issue in just 15 minutes.

Cross References to GM OEM numbers: 23444110 & 23444109

Boost Auto Parts also offers upper glass with backing for an easier installation. To purchase glass with backing click here.

Install Video for OEM Mirrors: https://youtu.be/G0LC9P-Ejfo

Install Video for Aftermarket Mirrors: https://youtu.be/8iEwSH3E3Fk

Link to technical install document: Upper Glass Install Document

Vehicle Fitment: 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 C1500 C2500 C3500 or K1500 K2500 K3500 Trucks and 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 Chevrolet Silverado 1500 2500 3500 & GMC Sierra 1500 2500 3500 Trucks

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Full Installation Tutorial:

For OEM Towing Mirrors

For Aftermarket Towing Mirrors

Safety glasses and gloves should be worn at all times while performing this procedure.

Step 1:

Angle the upper glass up as far as it goes.

Step 2:

OEM Towing Mirrors

OEM upper glass uses a slotted design.

To remove and install OEM upper glass reference our install video or install document

Aftermarket Towing Mirrors

Aftermarket tow mirrors use a press-fit design.

Refer to the steps below for instructions on how to remove aftermarket upper glass.

Step 3:

Remove the Upper Glass by placing hands on the bottom of the upper glass and prying up and away from the mirror.

Step 4:

Remove the signal on glass and defrost connections from the upper glass (if equipped).

Step 5:

Using a heat gun, apply heat across the entire surface of the glass to warm up the adhesive that sits in between the glass and the plastic backing.

Step 6:

As you heat up portions of the upper glass, work the putty knife around the glass to separate it from the plastic backing.

Disclaimer: If your glass is equipped with defrost, make sure you do not damage any defrost connections when removing the glass from the backing

Handle and dispose of broken glass safely and properly.

Step 7:

Remove and dispose of the old upper glass until you are left with just the backing.

Step 8:

Attach the new upper glass to the plastic backing. We are using a hot glue gun, but other adhesives will also work to attach your upper glass.

Step 9:

Your glass is now installed onto your backing. Refer to the step below for further instruction.

Step 10:

Install the signal on glass and defrost wires onto the backing (if equipped).

Step 11:

Disclaimer: Regardless of your motor size and features, all stabilization pins must slide on the inside of the 3 guides as shown.

Step 12:

Tuck away signal on glass and defrost wires away from the center of the mirror (if equipped). Line up the 3 stabilization pins with the 3 guides on the mirror.

Step 13: