NOISE CONTROL SYSTEM PART 8: MAINTENANCE AND SERVICE
– 224 – Y53-6032 (R05/10)
Inspection & Maintenance Instructions for
Noise Control System
The following instructions are based on regular inspection
of the noise control system. If, during regular inspection or
maintenance of other systems or components, you find
something wrong with parts of the noise control system,
inspect those parts more frequently to be sure they are
performing up to specification. At the end of this section
you will find the Maintenance Log. This is a schedule of
inspection and maintenance intervals for each compo-
nent.
WARNING! The exhaust piping and Diesel Par-
ticulate Filter can become extremely hot dur-
ing engine operation and can cause death or
personal injury. Allow adequate cooling time
before working on or near any part of the
exhaust system.
Exhaust System
WARNING! If your vehicle becomes disabled,
the hot exhaust system could ignite dry
grass, brush, spilled fuel, or other material
that can cause fires which can lead to death,
personal injury and property damage. Do not
park or operate your vehicle in areas where
the hot exhaust system could cause a fire.
Manifold
Check for exhaust leaks and condition of gaskets.
Replace any blown gaskets. Use a torque wrench to
check all cap-screws, including those at the flanges. Refer
to the engine manufacturer’s service manual for proper
tightening sequence and torque values.
Joints and Clamps
Check for leaks, and tighten as necessary. Check for dete-
rioration or dents in pipes and clamps which could allow
exhaust to escape.
Y53-6032.book Page 224 Monday, May 24, 2010 3:37 PM
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