GMC Terrain: Fuel / Fuel Filter Replacement (Diesel)
Warning
Diesel fuel is flammable. It could
start a fire if something ignites it,
and people could be burned. Do
not let it get on hot engine parts,
and keep matches or other
ignition sources away.
The fuel filter is on the passenger
side, in front of the rear tire.
- Drain any water from the filter.
See “Removing Water from the
Fuel Filter” in Water in Fuel
(Diesel).
Keep the engine off until the
procedure is completed.
- Apply the parking brake.

FWD Shown, AWD Similar
- Remove the filter element cap
by turning it counterclockwise.
- Remove the filter element and
o-rings. If there is any dirt on
the filter sealing surface, clean
it off.
- Install the new filter element
and o-rings.
- Reinstall and tighten the filter
cap to the housing.
- Use the fuel filter priming
procedure to prime the fuel
filter. See “Fuel Priming” in
Water in Fuel (Diesel).
- Start the engine and let it idle
for five minutes. Check the fuel
filter and air bleed valve for
leaks.
- Reset the fuel filter monitor.
See Driver Information Center
(DIC) (Base and Midlevel) or Driver Information
Center (DIC) (Uplevel).
Warning
Diesel fuel is flammable. It could
start a fire if something ignites it,
and people could be burned. Do
not let it get on hot engine parts,
and keep matches or other
ignition sources away...
Warning
Fuel vapors and fuel fires burn
violently and can cause injury or
death.
To help avoid injuries to you
and others, read and follow
all the instructions on the
fuel pump island...
Other information:
If a person of adult size is sitting in
the front outboard passenger seat,
but the OFF indicator is lit, it could
be because that person is not sitting
properly in the seat or that the child
restraint locking feature is engaged.
Use the following steps to allow the
system to detect that person and
enable the front outboard passenger
frontal airbag:
Turn the vehicle off...
The vehicle identifies the number of
the current driver’s RKE transmitter
(1–8). See Remote Keyless Entry
(RKE) System Operation. If the
RKE transmitter is 1 or 2, and Seat
Entry Memory is programmed on in
vehicle personalization, the
positions saved to the same
memory button number 1 or 2 are
automatically recalled when the
ignition is turned on, or turned from off to ACC/ACCESSORY...