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GMC Acadia Windshield Wiper Blades Replacement Guide
How to change the front windshield window wiper blades on a 1st generation 2007-2016 GMC Acadia with the OEM sizes.

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2016 Acadia Wipers
Raise Wiper Arm
This automotive maintenance tutorial was specifically written to assist owners of the first generation (2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 & 2016) GMC Acadia in changing the front windshield window wiper blades.

Owners of other General Motors vehicles such as the Buick Verano, Regal, LaCrosse, Cascada, Encore, Enclave, Envision, GMC Canyon, Sierra 1500, Terrain, Yukon, Denali, Savana, Spark, Sonic, Cruze, Malibu, Impala, Volt, Camaro, Corvette, SS, Trax, Equinox, Traverse, Tahoe, Suburban, Colorado, Silverado and Express may also find these DIY instructions to be helpful.

The OEM blade sizes in inches are as follows: Driver Side 24" and Passenger Side 21".

A few compatible replacement wiper blades with their part numbers are as follows: Bosch 24-CA & Bosch 21-CA Rain-X 5079280-1 & Rain-X 5079278-1, Michelin 8524 & Michelin 8521, Trico 25-240 & Trico 25-210, Bosch 4842 & Bosch 4840 and Anco C-24-OE & Anco C-21-OE.

Rotate Old Blade Away
Squeeze Together Tabs
The first step is to lift the wiper arm off the windshield until it remains in the raised position by itself.

Rotate the old wiper blade away from the wiper arm at a slight angle.

Locate the two black plastic tabs that resemble insect wings.

Gently squeeze together the two tabs towards each other to release the old wiper blade's mounting bracket.

Mounting Bracket Released
Rotate Old Blade Off Hook
Rotate the old wiper blade away from the metal wiper arm to disengage the mounting bracket.

Continue rotating the old wiper blade until you can lift it off the small metal hook at the end of the wiper arm.

Towel - Protect Glass
Metal Hook - Wiper Arm
Place a towel on the windshield to protect the glass from being shattered, chipped, cracked or scratched just in case the wiper arm smacks down on to the window while you are replacing the wiper blade.

I usually buy the Bosch 24-CA and Bosch 21-CA wiper blades since they have great reviews on Amazon.


Line Up Hook & New Blade
Insert Hook In To Opening
Line up the slot in the new wiper blade with the small metal hook at the end of the wiper arm.

Insert the hook in to the slot and rotate the new wiper blade towards the wiper arm.

Squeeze Two Tabs
New Blade Attached
Pinch together the two black plastic tabs and rotate the blade towards the wiper arm to re-attach them to the bracket.

Make sure that the new wiper blade is securely attached to the wiper arm.

Lower Wiper To Windshield
New Wiper Blade Installed
Gently lower the wiper arm down to the windshield.

For the best wiper performance, I'd recommend thoroughly cleaning off the windshield and applying a window treatment product such as Rain-X or Zaino Bros Glass Polish.

For more, check out my other 2007-2016 GMC Acadia DIY Repair & Maintenance Guides.

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