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GMC denali yukon 2022 mysterious noise sounds like something hits underneath car behind drivers seat
Even since purchasing my new 2022 GMC Yukon Denali, it has randomly made a knocking noise under the car behind the drivers seat. It sounds like something gets thrown up and hits underneath the car. It can happen under 30 MPH or on highway at 55-65 MPH. It is startling and loud enough to take...
