GMC Terrain: Vehicle Checks / Engine Air Cleaner/Filter
The engine air cleaner/filter is in the engine compartment on the passenger side of the vehicle. See Engine Compartment Overview.
When to Inspect the Engine Air Cleaner/Filter
For intervals on changing and inspecting the engine air cleaner/filter, see Maintenance Schedule.
How to Inspect the Engine Air Cleaner/Filter
Do not start the engine or have the engine running with the engine air cleaner/filter housing open. Before removing the engine air cleaner/ filter, make sure that the engine air cleaner/filter housing and nearby components are free of dirt and debris. Remove the engine air cleaner/filter. Lightly tap and shake the engine air cleaner/filter (away from the vehicle), to release loose dust and dirt. Inspect the engine air cleaner/filter for damage, and replace if damaged. Do not clean the engine air cleaner/filter or components with water or compressed air.
To inspect or replace the engine air cleaner/filter:
1.5L Gas Engine Shown, 1.6L Diesel Engine and 2.0L Gas Engine Similar
- Screws
- Air Duct Clamp
- Electrical Connector
- Open the hood. See Hood.
- Loosen the screw on the air duct clamp (2) and remove the air duct hose from the cover.
- Remove the four screws (1) and remove the air cleaner/ filter cover, keeping the wiring harness electrical connector (3) connected to the sensor.
- Pull straight up on the cover, and while holding the cover, remove the air cleaner/filter.
- Inspect or replace the air cleaner/filter.
Automatic Transmission Fluid
It is not necessary to check the
transmission fluid level.
A transmission fluid leak is the only
reason for fluid loss. If a leak
occurs, take the vehicle to your
dealer and have it repaired as soon
as possible...
How to Reinstall the Engine Air Cleaner/Filter
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...
Other information:
GMC Terrain 2018-2025 Owners Manual: Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying General Motors. If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a reca..
GMC Terrain 2018-2025 Owners Manual: Diesel Particulate Filter
The Diesel Particulate Filter (DPF) system filters soot particles out of the exhaust gases. The DPF is under the vehicle in the exhaust system. Depending on a number of factors monitored by the engine computer, the DPF will need to be cleaned of accumulated solids. When a cleaning is needed, the engine computer will initiate a self-cleaning function that runs automatically during drivin..