GMC Terrain 2018 Owner's Manual page 270

1.5L Gas Engine Shown, 1.6L
Diesel Engine and 2.0L Gas
Engine Similar
1. Screws
2. Air Duct Clamp
3. Electrical Connector
1. Open the hood. See Hood
0 256.
2. Loosen the screw on the air
duct clamp (2) and remove the
air duct hose from the cover.
3. Remove the four screws (1)
and remove the air cleaner/
filter cover, keeping the wiring
harness electrical connector (3)
connected to the sensor.
4. Pull straight up on the cover,
and while holding the cover,
remove the air cleaner/filter.
5. Inspect or replace the air
cleaner/filter.
How to Reinstall the Engine
Air Cleaner/Filter
1. Align the air cleaner/filter with
the indicated point on the base
of the air cleaner/filter housing
and install the air cleaner/filter.
The outer air cleaner/filter seal
must be fitted properly in the
air cleaner/filter housing.
Vehicle Care
2. Align the air cleaner/filter
housing cover tabs to the air
cleaner/filter housing.
3. Install the air cleaner/filter
housing cover using the four
screws.
4. Slide the air duct onto the
cover assembly and tighten the
screw on the air duct clamp.
5. Verify that the wiring harness
connector is fully connected to
the sensor on the air cleaner/
filter housing.
Warning
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
helps to stop flames if the engine
backfires. Use caution when
working on the engine and do not
drive with the air cleaner/filter off.
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