Other information:
When the engine is cold, check the
concentration and level of the coolant at
the intervals listed in the scheduled
maintenance information.
Note: Make sure that the coolant level is
between the minimum and maximum marks
on the coolant reservoir.
Note: Coolant expands when it is hot...
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...