operators_manual

5. Replace filter in housing taking
care to align the airflow direction
that is indicated on the side of the
side of the filter element with the
airflow direction that is clearly
marked on the air intake housing.
6. Replace the filter cover on the air
intake housing and slide the cover
forward in vehicle. An audible snap
sound can be heard when the
cover is correctly in place. If the
snap feature is damaged there are
two screw features that may be
utilized to retain the cover in place.
7. Close and secure hood of vehicle.
Replace the Recirculation Air Filter
Please contact an authorized dealer when
the service interval is required to inspect
the cabin recirculation air filter.
Sleeper HVAC Air Filter
The sleeper recirculation filter is located
under the sleeper bunk on the passenger
side of the vehicle. Lift the bottom bunk to
access the unit. The filter can be replaced
without using any tools.
1. Lift the sleeper bunk to expose the
sleeper HVAC module.
2. Find the retention tab at the side of
the filter element and move it to
release the filter. Moving this tab
will allow the filter to be removed in
an upward direction.
3. Align the airflow direction that is
indicated on the side of the filter
element such that it points into the
HVAC housing.
4. Insert the filter and make sure the
retention tab has re-engaged to
secure the filter.
5. Close the bunk.
Noise and Emission
Control
Information about the federal law
prohibitaing tampering with the noise and
emissions systems.
There are specific components on the
vehicle that are designed to meet certain
Environmental Protection Agency (EPA)
emissions and noise regulations. To
maintain conformance with the regulations,
these components need to be functional
and properly maintained.
Noise Emission Warranty
Peterbilt warrants to the first person who
purchases this vehicle for purposes other
than resale and to each subsequent
purchaser that this vehicle as
manufactured by Peterbilt, was designed,
built and equipped to conform at the time it
left Peterbilt's control with all applicable
U.S. EPA Noise Control Regulations.
This warranty covers this vehicle as
designed, built and equipped by Peterbilt,
and is not limited to any particular part,
component or system of the vehicle.
Defects in design, assembly or in any part,
component or system of the vehicle as
manufactured by Peterbilt, which, at the
time it left Peterbilt's control, caused noise
emissions to exceed Federal standards,
are covered by this warranty for the life of
the vehicle.
Tampering with Noise Control
System
Federal law prohibits the following acts or
the causing thereof:
1. The removal or rendering
inoperative by any person other
than for purposes of maintenance,
MAINTENANCE - Noise and Emission Control
Y53-6047-2HEN (03/18) 253
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