DEFINITION: A ping, snap or click is usually heard on initial load after the transmission is in gear, either in forward or reverse.

A loose pinion yoke or companion flange

Tighten the bolts and the pinion nut to specified torque. Refer to Fastener Tightening Specifications .

Loose rubber coupling

Tighten the bolts to specified torque. Refer to Fastener Tightening Specifications .

One or more of the universal joints are worn or damaged

Replace the propeller shaft assembly.

Heat shield interference

Eliminate interference.