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The specified wiper blade sizes for the 2019 GMC Acadia are 24 inches for the driver's side and 20 or 21 inches for the passenger side. Problems may arise with these components over time. Potential issues include blown fuses, worn-out blades, a malfunctioning wiper motor, and a defective delay module. It is crucial to address these issues promptly by either fixing them yourself or seeking assistance from a nearby auto repair shop. These parts will eventually wear out and should be replaced every 6 to 12 months to avoid smudges and unpleasant noises during operation.
The GMC Acadia 2019 needs a 24-inch wiper blade for the driver's side and either a 20 or 21-inch one for the passenger's side.