Other information:
Power Transfer Unit
The
Power Transfer Unit (PTU) is a gearbox that attaches to the
transmission. The PTU directs power from the transmission differential
case through a dog clutch to a hypoid ring gear. A hypoid pinion gear is
meshed to the ring gear and splined to the output flange. A dog clutch
is used to transfer drive torque from the input shaft to the ring gear.
When the dog clutch ..
NOTE:
This procedure uses multiple tools/methods to help locate the
source of engine noise. It may be necessary to repeatedly compare the
sound between the tools/methods to help locate the source of the noise.
NVH
symptoms should be identified using the diagnostic tools and techniques
that are available. For a list of these techniques, tools, an
explanation of their uses and a ..