Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2013SIERRA DENALI AWD V8-6.2LREPAIR AND DIAGNOSISWINDOWS AND GLASSWINDSHIELDSERVICE AND REPAIRREMOVAL AND REPLACEMENTWINDSHIELD REPLACEMENT
2013 GMC Sierra Denali AWD V8-6.2L
Windshield Replacement
2013 GMC Sierra Denali AWD V8-6.2LSECTION Windshield Replacement
Windshield Replacement
Special Tools
* J 24402-A Glass Sealant Cold Knife Remover
* J 39032 Stationary Window Removal Tool
* Urethane Adhesive Kit GM P/N 12346392 or Equivalent
* Isopropyl Alcohol or Equivalent
* Cartridge-type Caulking Gun
* Commercial-type Utility Knife
* Razor Blade Scraper
* Suction Cups
* Plastic Paddle
Removal Procedure
Warning:
Refer to Glass and Sheet Metal Handling Warning Glass and Sheet Metal Handling Warning.
Note:
Before cutting out a stationary window, apply a double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
1. Remove the fixed antenna mast if equipped. Refer to Radio Antenna Replacement Radio Antenna Replacement
2. Open the hood.
3. Remove the window wiper arms. Refer to Windshield Wiper Arm Replacement Service and Repair
4. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement Service and Repair
5. Remove the outside moisture sensor lens. Refer to Windshield Outside Moisture Sensor Lens Replacement Windshield Outside Moisture Sensor Lens Replacement
6. Remove the inside rearview mirror. Refer to Inside Rearview Mirror Replacement Inside Rearview Mirror Replacement
7. Reposition the front door sealing weatherstrips (1) in order to access the side reveal molding screws. You do not have to remove the front door sealing weatherstrip completely from the vehicle.
Warning:
Refer to Cracked Window Warning Cracked Window Warning.
8. Remove the screws from the left and the right sides of window side reveal moldings.
9. Remove the reveal moldings from the vehicle.
Warning
If broken glass falls into the defroster outlets, it can be blown into the passenger compartment and cause personal injury.
10. Cover the following parts to protect from broken glass:
1. The upper dash pad
2. The defroster outlets and A/C outlets
3. The seats and the carpeting
Note:
The upper window reveal molding fills the cavities between the body and window. If the reveal molding is stretched or damaged, replace the molding.
11. Remove the upper window reveal molding (1).
Note:
The window lower supports have molded locks with an urethane adhesive strip on the back side. Once the window lower stops have been removed, the stops must be replaced.
12. Remove the window lower supports (1) by using a flat-bladed tool, lightly prying upward in the middle until the support releases.
Note:
Keep the cutting edge of the tool against the window in order to properly separate the urethane adhesive from the window.
13. Use J 24402-A , J 39032 , or equivalent in order to remove the window.
* Leave a base of urethane on the pinchweld flange.
* The only suitable lubrication is clear water.
14. Remove the bottom of the window from the urethane adhesive using a long utility knife or similar tool.
15. With the aid of an assistant remove the window (1) from the vehicle.
Installation Procedure
1. Install a stationary window into the opening. Refer to Adhesive Installation of Stationary Windows (Windshield) Adhesive Installation of Stationary Windows (Windshield)Adhesive Installation of Stationary Windows (Rear Window) Adhesive Installation of Stationary Windows (Rear Window).
2. Install the window side reveal moldings to the vehicle.
Caution:
Refer to Fastener Caution Fastener Caution.
3. Install the screws to the left and the right sides of the window side reveal moldings.
Tighten the screws to 2 Nm (18 lb in).
4. Install the front door sealing weatherstrips (1) to the retainer (2).
5. Install the cowl air inlet grille panel. Refer to Air Inlet Grille Panel Replacement Service and Repair.
6. Install the window wiper arms. Refer to Windshield Wiper Arm Replacement Service and Repair.
7. Install the antenna mast, if equipped. Refer to Radio Antenna Replacement Radio Antenna Replacement.
8. Install the outside moisture sensor lens. Refer to Windshield Outside Moisture Sensor Lens Replacement Windshield Outside Moisture Sensor Lens Replacement
9. Install the inside rearview mirror. Refer to Inside Rearview Mirror Replacement Inside Rearview Mirror Replacement.
10. Close the hood.
11. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.