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The 1 1/4-inch trailer hitch on the GMC Sierra is important to maintain properly to avoid accidents. It is inevitable that you will encounter issues with this component at some point. Watch out for premature tire wear, feathering, and cupping. The hitch may loosen over time, so check tire pressure monthly and inspect for any punctures from sharp objects. Eventually, the hitch will require replacement. Plan to change your tires every 30,000 to 50,000 miles to ensure road safety and prevent accidents.
The GMC Sierra trailer hitch comes in a standard size of 1 1/4 inches, providing increased towing flexibility.