2011 GMC TERRAIN check engine

Black plate (23,1)GMC Terrain Owner Manual - 2011
Vehicle Care 10-23
Power Steering Fluid
(2.4L L4 Engine)
The vehicle has electric power
steering and does not use power
steering fluid.
Power Steering Fluid
(3.0L V6 Engine)
The power steering fluid reservoir
is located toward the rear of the
engine compartment on the
passenger side of the vehicle. See
Engine Compartment Overview on
page 10‑6for reservoir location.
When to Check Power Steering
Fluid
The power steering fluid does not
need to be checked unless there is
a leak in the system or you hear an
unusual noise. Have the system
inspected and repaired if there is a
fluid loss.
How to Check Power Steering
Fluid
To check the power steering fluid:
1. Turn the engine off and let it
cool down.
2. Remove the engine cover. Refer toEngine Cover on page 10‑10.
3. Wipe the cap and the top of the reservoir clean.
4. Unscrew the cap and wipe the dipstick with a clean rag.
5. Replace the cap and completely tighten it.
6. Remove the cap again and look at the fluid level on the dipstick. The fluid level should be between
MAX and MIN line at room
temperature. If the fluid is on or
below MIN line, add fluid.
What to Use
To determine what kind of fluid to
use, refer to
Recommended Fluids
and Lubricants on page 11‑6.
Always use the proper fluid.
Notice: Use of the incorrect fluid
may damage the vehicle and the
damages may not be covered by
the vehicle's warranty. Always
use the correct fluid listed in
Recommended Fluids and
Lubricants on page 11‑6.
Washer Fluid
What to Use
Read the manufacturer's
instructions before refilling the
windshield washer fluid. If operating
the vehicle in an area where the
temperature may fall below freezing,
use a fluid that has sufficient
protection against freezing.

Black plate (28,1)GMC Terrain Owner Manual - 2011
10-28 Vehicle Care
What to Use
Refer toRecommended Fluids
and Lubricants on page 11‑6 to
determine what kind of lubricant
to use.
Starter Switch Check
{WARNING
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be sure there is enough room
around the vehicle. 2. Firmly apply both the parking
brake and the regular brake.
See Parking Brake on
page 9‑38.
Do not use the accelerator
pedal, and be ready to turn off
the engine immediately if it
starts.
3. Try to start the engine in each gear. The vehicle should start
only in P (Park) or N (Neutral).
If the vehicle starts in any other
position, contact your dealer for
service.
Automatic Transmission
Shift Lock Control
Function Check
{WARNING
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be sure there is enough room
around the vehicle. It should be
parked on a level surface.
2. Firmly apply the parking brake. See Parking Brake on
page 9‑38.
Be ready to apply the regular
brake immediately if the vehicle
begins to move.

Black plate (29,1)GMC Terrain Owner Manual - 2011
Vehicle Care 10-29
3. With the engine off, turn theignition on, but do not start the
engine. Without applying the
regular brake, try to move the
shift lever out of P (Park) with
normal effort. If the shift lever
moves out of P (Park), contact
your dealer for service.
Ignition Transmission
Lock Check
While parked, and with the parking
brake set, try to turn the ignition to
LOCK/OFF in each shift lever
position.
.The ignition should turn to
LOCK/OFF only when the shift
lever is in P (Park).
.The ignition key should come
out only in LOCK/OFF.
Contact your dealer if service is
required.
Park Brake and P (Park)
Mechanism Check
{WARNING
When you are doing this check,
the vehicle could begin to move.
You or others could be injured
and property could be damaged.
Make sure there is room in front
of the vehicle in case it begins to
roll. Be ready to apply the regular
brake at once should the vehicle
begin to move. Park on a fairly steep hill, with the
vehicle facing downhill. Keeping
your foot on the regular brake, set
the parking brake.
.To check the parking brake's
holding ability: With the engine
running and the transmission in
N (Neutral), slowly remove foot
pressure from the regular brake
pedal. Do this until the vehicle is
held by the parking brake only.
.To check the P (Park)
mechanism's holding ability:
With the engine running, shift
to P (Park). Then release the
parking brake followed by the
regular brake.
Contact your dealer if service is
required.

Black plate (3,1)GMC Terrain Owner Manual - 2011
Service and Maintenance 11-3
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 miles since
the last service. Reset the oil life
system whenever the oil is changed.
SeeEngine Oil Life System on
page 10‑14.
Every Engine Oil Change
.Change engine oil and filter.
Reset oil life system. See
Engine Oil on page 10‑10 and
Engine Oil Life System on
page 10‑14. An Emission
Control Service.
.Engine coolant level check. See
Engine Coolant on page 10‑17.
.Engine cooling system
inspection. Visual inspection
of hoses, pipes, fittings, and
clamps and replacement,
if needed.
.Windshield washer fluid level
check. See Washer Fluid on
page 10‑23.
.Windshield wiper blade
inspection for wear, cracking,
or contamination and windshield
and wiper blade cleaning,
if contaminated. See Exterior
Care on page 10‑82. Worn
or damaged wiper blade
replacement. See Wiper Blade
Replacement on page 10‑30.
.Tire inflation pressures check.
See Tire Pressure on
page 10‑51.
.Tire wear inspection. See Tire
Inspection on page 10‑57.
.Rotate tires if necessary. See
Tire Rotation on page 10‑57.
.Fluids visual leak check (or
every 12 months, whichever
occurs first). A leak in any
system must be repaired and
the fluid level checked.
.Engine air cleaner filter
inspection. See Engine Air
Cleaner/Filter on page 10‑15.
.Brake system inspection (or
every 12 months, whichever
occurs first).
.Steering and suspension
inspection. Visual inspection for
damaged, loose, or missing
parts or signs of wear.
.Body hinges and latches, key
lock cylinders, folding seat
hardware, and sunroof (if
equipped) lubrication. See
Recommended Fluids and
Lubricants on page 11‑6. More
frequent lubrication may be
required when the vehicle
is exposed to a corrosive
environment. Applying silicone
grease on weatherstrips with a
clean cloth makes them last
longer, seal better, and not stick
or squeak.
.Restraint system component
check. See Safety System
Check on page 3‑24.

Black plate (4,1)GMC Terrain Owner Manual - 2011
11-4 Service and Maintenance
.Fuel system inspection for
damage or leaks.
.Exhaust system and nearby heat
shields inspection for loose or
damaged components.
Additional Required Services
Every 12 000 km/7,500 Miles
.Rotate tires. Tires should
be rotated every 12 000 km/
7,500 miles. SeeTire Rotation
on page 10‑57.
At Each Fuel Stop
.Engine oil level check. See
Engine Oil on page 10‑10.
.Engine coolant level check. See
Engine Coolant on page 10‑17.
.Windshield washer fluid level
check. See Washer Fluid on
page 10‑23. Once a Month
.Tire inflation check. See
Tire
Pressure on page 10‑51.
.Tire wear inspection. See Tire
Inspection on page 10‑57.
.Sunroof track and seal
inspection, if equipped. See
Sunroof on page 2‑18.
Once a Year
.See Starter Switch Check on
page 10‑28.
.See Automatic Transmission
Shift Lock Control Function
Check on page 10‑28.
.See Ignition Transmission Lock
Check on page 10‑29.
.See Park Brake and P (Park)
Mechanism Check on
page 10‑29.
.Accelerator pedal check for
damage, high effort, or binding.
Replace if needed.
.Underbody flushing service.
.Hood/Decklid/Liftgate/Liftglass
Support Gas Strut Service:
Visually inspect gas strut,
if equipped, for signs of wear,
cracks, or other damage. Check
the hold open ability of the gas
strut. Contact your dealer if
service is required.
First Engine Oil Change After
Every 40 000 km/25,000 Miles
.Passenger compartment air
filter replacement (or every
24 months, whichever occurs
first). More frequent replacement
may be needed if you drive
in areas with heavy traffic,
areas with poor air quality,
or areas with high dust levels.
Replacement may also be
needed if you notice reduced
air flow, windows fogging up,
or odors. Your dealer can help
you determine when it is the
right time to replace the filter.

Black plate (5,1)GMC Terrain Owner Manual - 2011
Service and Maintenance 11-5
First Engine Oil Change After
Every 80 000 km/50,000 Miles
.Engine air cleaner filter
replacement. SeeEngine Air
Cleaner/Filter on page 10‑15.
.Automatic transmission fluid
change (severe service) for
vehicles mainly driven in heavy
city traffic in hot weather, in hilly
or mountainous terrain, when
frequently towing a trailer,
or used for taxi, police,
or delivery service. See
Automatic Transmission
Fluid on page 10‑15.
.Transfer case fluid change
(severe service) for vehicles
mainly driven in hilly or
mountainous terrain, when
frequently towing a trailer,
or used for taxi, police,
or delivery service.
.Evaporative control system
inspection. Check all fuel and
vapor lines and hoses for proper
hook‐up, routing, and condition.
Check that the purge valve,
if the vehicle has one, works
properly. Replace as needed.
An Emission Control Service.
The U.S. Environmental
Protection Agency or the
California Air Resources Board
has determined that the failure
to perform this maintenance
item will not nullify the emission
warranty or limit recall liability
prior to the completion of the
vehicle's useful life. We,
however, urge that all
recommended maintenance
services be performed at the
indicated intervals and the
maintenance be recorded. First Engine Oil Change After
Every 160 000 km/100,000 Miles
.Automatic transmission fluid
change (normal service). See
Automatic Transmission Fluid on
page 10‑15.
.Transfer case fluid change
(normal service).
.Spark plug replacement and
spark plug wires inspection.
An Emission Control Service.
First Engine Oil Change After
Every 240 000 km/150,000 Miles
.Engine cooling system drain,
flush, and refill (or every five
years, whichever occurs first).
See Cooling System on
page 10‑16. An Emission
Control Service.
.Engine drive belts inspection
for fraying, excessive cracks,
or obvious damage (or every
10 years, whichever occurs
first). Replace, if needed.

Black plate (3,1)GMC Terrain Owner Manual - 2011
Technical Data 12-3
ApplicationCapacities
Metric English
Transmission Fluid (Drain and Refill)
2.4L L4 6–Speed Automatic* 8.5 L 9.0 qt
3.0L V6 6–Speed Automatic* 9.0 L 9.5 qt
Wheel Nut Torque 190 Y140 lb ft
*See Automatic Transmission Fluid on page 10‑15 for information on checking fluid level.
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.
Engine Specifications
Engine VIN CodeTransmission Spark Plug Gap
2.4L L4 CAutomatic 0.9 mm (0.035 in)
3.0L V6 5Automatic 1.1 mm (0.043 in)

Black plate (14,1)GMC Terrain Owner Manual - 2011
13-14 Customer Information
If another party's insurance
company is paying for the repairs,
you are not obligated to accept a
repair valuation based on that
insurance company's collision
policy repair limits, as you have no
contractual limits with that company.
In such cases, you can have control
of the repair and parts choices as
long as the cost stays within
reasonable limits.
Service Publications
Ordering Information
Service Manuals
Service Manuals have the diagnosis
and repair information on the
engines, transmission, axle,
suspension, brakes, electrical,
steering, body, etc.
Service Bulletins
Service Bulletins give additional
technical service information
needed to knowledgeably service
General Motors cars and trucks.Each bulletin contains instructions
to assist in the diagnosis and
service of the vehicle.
Owner Information
Owner publications are written
specifically for owners and intended
to provide basic operational
information about the vehicle.
The Owner Manual includes the
Maintenance Schedule for all
models.
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