Manufacturer communication — 2006 GMC YUKON DENALI XL

• Applies to 2022 and prior GM passenger cars and light duty trucks.

  the passage

  2022 and Prior GM Passenger Cars and Light Duty Trucks

• Under certain circumstances a slight tire shake may be noticed within the first few miles/kilometers of operation.

  the passage

  under certain circumstances, a customer may notice a slight tire shake within the first few miles/kilometers of vehicle operation.

• Until the tires warm up a slight shake may be felt, but it should subside quickly.

  the passage

  Until the tires warm up, a slight tire shake may be felt but should subside quickly.

Possible causes

• When parked overnight or for a period of time, the tires may set (flat spot) and need a few miles/kilometers to reach normal operating temperature.

  the passage

  When parked overnight, or for a period of time, the tires may set (flat spot) and require a few miles/kilometers before heating up to their normal operating temperature.

• Tires may be designed with a nylon overlay configuration to enhance integrity at high speeds.

  the passage

  Tires may be designed with a nylon overlay configuration engineered to enhance the tire's integrity at high speeds.

Steps to confirm (in the document’s order)

• Before measuring tires on force variation equipment, drive the vehicle a minimum of 24 km (15 mi) to remove any flat spotting.

  the passage

  MUST be driven a minimum of 24 km (15 mi) to ensure removal of any flat spotting

Caution

• Do not attempt repairs or replace components for this temporary flat spotting condition.

  the passage

  DEALERS SHOULD REFRAIN FROM ATTEMPTING REPAIRS OR REPLACING COMPONENTS for this temporary tire flat spotting condition.