Other information:
Wiper Precautions
Do not operate the wipers on a dry
windshield. This could scratch the glass or
damage the wiper blades. Use the
windshield washers before wiping a dry
windshield.
Fully defrost the windshield before you
switch the windshield wipers on...
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...