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Engine Air Cleaner/Filter
Your GM Maintenance Schedule says when to replace
the air filter.
Gasoline Engine Caterpillar
R
Diesel Engine
CAUTION:
Gasoline Engines Only: Operating the engine
with the air cleaner/filter off can cause you or
others to be burned. The air cleaner not only
cleans the air, it stops flame if the engine
backfires. If it isn’t there, and the engine
backfires, you could be burned. Don’t drive with
it off, and be careful working on the engine with
the air cleaner/filter off.
NOTICE:
Gasoline Engines Only: If the air cleaner/filter is
off, a backfire can cause a damaging engine fire.
And, dirt can easily get into your engine, which
will damage it. Always have the air cleaner/filter
in place when you’re driving.
Your vehicle may also be equipped with an optional
Filterminder gage. See “Warning Lights, Gages and
Indicators” in the Index.
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