Updated Ring Gear Replacement Bolt Torque - keywords noise pinion whine

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Updated ring gear bolt torque due to bolt design change.

A design change was made to the replacement ring gear bolts that removed serrations from the bolt to housing contact surface. When replacing or removing and reinstalling the ring gear for any other required repairs in the vehicles listed above, new bolts are to be used and the new bolt torque specification should be 107 lb ft (145 N.m). An update to SI has been requested

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.