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Mazda CX-9 Rear Wiper Blade Replacement Guide
How to change the rear windshield window wiper blade on a 2nd generation 2016 to 2021 Mazda CX-9 SUV.

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2019 CX-9 Rear Wiper
Base of Wiper Arm
Pull Off Plastic Cover
This automotive maintenance tutorial was specifically written to assist owners of the second generation 2016, 2017, 2018, 2019, 2020 and 2021 Mazda CX-9 SUV in changing the rear wiper blade on the back windshield window.

Owners of other Mazda vehicles such as the CX-5, CX-3, CX-30, MX-30, CX-8, Mazda8 (MPV), MX-5 Miata, Mazda2 (Demio), Mazda3 (Axela), Mazda6 (Atenza) and Mazda5 (Premacy) may also find these DIY instructions to be helpful.

The OEM (original equipment manufacturer) wiper blade size in inches is 14".

A few compatible replacement 14" wiper blades with their part numbers include the following: Michelin 9514, Trico 14-A, Bosch H352, Rain-X R14A and ACDelco 8-214A.

No tools are needed to remove and replace the rear wiper blade.

The first step is to move to the base of the wiper arm where it is attached to the window.

Gently pull the black plastic "U" shaped cover off the base of the wiper arm.


Base Cap Removed
Raise Arm Off Glass
Rotate Blade Away
Set the plastic cover aside in a safe place.

Carefully raise the wiper blade and arm off the glass.

Rotate the old wiper blade away from the wiper arm.

Continue Rotating Away
Pop Bar Out of Socket
Pull Blade Off Arm
Hold the wiper arm with one hand and continue rotating away the old blade with your other hand.

When you feel some resistance, slowly continue rotating the blade until you feel the plastic mounting bar pop out of the "C" shaped socket at the end of the arm.

The old wiper blade should be just about perpendicular (at a 90 degree angle) with the wiper arm.

Pull the old wiper blade straight off the end of the wiper arm.

"C" Shaped Socket
Blade Mounting Bar
14" OEM Wiper Blade

Once the old blade has been detached, you'll be able to see the "C" shaped socket at the end of the wiper arm and the black plastic mounting bar in the middle of the old wiper blade.

I recommend buying the Bosch H352 rear wiper blade since it has excellent reviews from other CX-9 owners on Amazon.

(If your new wiper blade is equipped with a small protective plastic sleeve on the rubber piece, be sure to remove it before installation.)

Line Up New Wiper Blade
Insert Arm Into Opening
Pop Bar Into Socket
Line up the new wiper blade with the end of the wiper arm as shown in the picture above.

The mounting bar should be closer to the passenger side of the car and the rubber blade should be pointing away from the glass.

Pass the end of the wiper arm through the opening in the center of the new blade.

Slowly rotate the new wiper blade until it is almost parallel with the wiper arm.

Once you feel some resistance, gently snap the mounting bar into the "C" shaped socket.

Try to avoid using excessive force. The mounting bar should pop into the socket relatively easily.

New Blade Installed
Lower Blade To Window
Plastic Base Cover
Continue rotating the new blade towards the arm until it is entirely parallel.

Double check that the new blade is securely attached.

Gently lower the blade back down to the window.

Pop On Plastic Cap
Plastic Cover Secured
Wiper Change Done!
Push the plastic cover back over the silver metal nut and threaded bar end at the base of the wiper arm.

The plastic cap should "click" securely into place.

Make sure the new wiper blade and the plastic cover on the base are both securely installed.

For the best wiper performance, I recommend thoroughly cleaning off the window and applying a glass treatment product that will repel water such as Rain-X.

Don't forget to write down the blade change in your SUV's service records.

For more, please check out all of the 2016-2021 Mazda CX-9 DIY Repair & Maintenance Guides.

If you found this guide to be helpful, please consider making a small donation by clicking on the "Donate" button located to the right of this paragraph. Thank you!
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