Cooling System - Chevrolet Silverado 4500HD 2022 Manual

278 Vehicle Care
Warning
If part replacement is necessary, the part
must be replaced with one of the same
part number or with an equivalent part.
Use of a replacement part without the
same fit, form, and function may result
in personal injury or damage to the
vehicle.
5. Clean the air cleaner/filter sealing surface
and the housing base.
6. Install the engine air cleaner/filter.
7. Lower the air cleaner/filter housing cover
and secure with the four screws.
8. Tilt the hood to close. See Hood 0 269.
See Maintenance Schedule 0 330 to
determine when to replace the engine air
cleaner/filter.
Warning
Operating the engine with the air
cleaner/filter off can cause you or others
to be burned. Use caution when working
on the engine. Do not start the engine or
Warning (Continued)
drive the vehicle with the air cleaner/
filter off, as flames may be present if the
engine backfires.
If the air cleaner/filter is off, dirt can
easily get into the engine, which could
damage it. Always have the air cleaner/
filter in place when driving.

Cooling System

The cooling system allows the engine to
maintain the correct working temperature.
(Continued)
Caution
1. Coolant Surge Tank
2. Coolant Surge Tank Pressure Cap
3. Engine Cooling Fan (Out of View)
Warning
Do not touch heater or radiator hoses,
or other engine parts. They can be very
hot and can burn you. Do not run the
engine if there is a leak; all coolant could
leak out. That could cause an engine fire
and can burn you. Fix any leak before
driving the vehicle.
Engine Coolant
Warning
Plain water, or other liquids such as
alcohol, can boil before the proper
coolant mixture will. With plain water or
the wrong mixture, the engine could get
too hot but there would not be an
overheat warning. The engine could catch
fire and you or others could be burned.