Other information:
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...
Check
With the vehicle in NEUTRAL, position it on a hoist.
Refer to: Jacking and Lifting - Overview (100-02 Jacking and Lifting, Description and Operation).
Remove and discard the RDU fluid fill plug.
If fluid level is low, check and top off the RDU with clean RDU fluid...