Service Procedure
1. Verify the truck is equipped with General Ameri*550 AS LT225/75R16D tires. (Some trucks may come from the factory with General tires on front, and another brand on the rear. Proceed with service procedure on General Tires only.2. Mark the orientation of the tire to the wheel.
3. Raise the vehicle on the hoist. Check the sidewalls of the tires including the spare for any bulge, if a bulge is found, that tire will need to be replaced. Whether a bulge is found or not, totally deflate all General Tires.
4. Remove the deflated tire/wheel assemblies from the truck. Dismount the tire from the wheel Carefully inspect the tire bead's for any cuts, tears or other damage (See Figure 2).
5. If no damage is found, remount the tire on the wheel using the orientation marks made in Step # 2 and install the tire/wheel assembly on the truck. Torque wheel to specification. Proceed to step # 7.
CAUTION:
Over tightening of wheel lugs could distort brake rotors resulting brake pulsation. Use an accurate torque wrench and refer to Section 3E-8 Tires and Wheels of the service manual for proper tightening sequence and torque specifications.
6. If damage is found, replace the tire. Mount & balance new tire & install on truck. Torque wheel to specification by following torque procedure specified in step # 5.
7. Install the GM Campaign Identification Label.
Tire Requisition & Return Document