2011 GMC YUKON oil pressure

Black plate (3,1)GMC Yukon/Yukon XL 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 10‑10.
Every Engine Oil Change
.Change engine oil and filter.
Reset oil life system. See
Engine Oil on page 10‑7 and
Engine Oil Life System on
page 10‑10. 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 10‑25.
.Windshield wiper blade
inspection for wear, cracking,
or contamination and windshield
and wiper blade cleaning,
if contaminated. See Exterior
Care on page 10‑98. Worn
or damaged wiper blade
replacement. See Wiper Blade
Replacement on page 10‑33.
.Tire inflation pressures check.
See Tire Pressure on
page 10‑56.
.Tire wear inspection. See Tire
Inspection on page 10‑62.
.Rotate tires if necessary. See
Tire Rotation on page 10‑62.
.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.
.Lubricate the front suspension,
steering linkage, and parking
brake cable guides. 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, lubricate
every 5 000 km/3,000 miles.
Control arm ball joints on
2500 series vehicles require
lubrication but should not
be lubricated unless their
temperature is −12°C (10°F)
or higher, or they could be
damaged. Control arm ball
joints on 1500 series vehicles
are maintenance‐free.

Black plate (4,1)GMC Yukon/Yukon XL Owner Manual - 2011
11-4 Service and Maintenance
.Body hinges and latches, key
lock cylinders, folding seat
hardware, and liftgate hinges,
linkage, and handle pivot points
lubrication. SeeRecommended
Fluids and Lubricants on
page 11‑7. 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 components
check. See Safety System
Check on page 3‑37.
.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. See Tire Rotation
on page 10‑62.
At Each Fuel Stop
.Engine oil level check. See
Engine Oil on page 10‑7.
.Engine coolant level check. See
Engine Coolant on page 10‑17.
.Windshield washer fluid level
check. See Washer Fluid on
page 10‑25.
Once a Month
.Tire inflation pressures check.
See Tire Pressure on
page 10‑56.
.Tire wear inspection. See Tire
Inspection on page 10‑62.
.Sunroof track and seal
inspection, if equipped.
See Sunroof on page 2‑23. Once a Year
.See
Starter Switch Check on
page 10‑32.
.See Automatic Transmission
Shift Lock Control Function
Check on page 10‑32.
.See Ignition Transmission Lock
Check on page 10‑33.
.See Park Brake and P (Park)
Mechanism Check on
page 10‑33.
.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.

Black plate (5,1)GMC Yukon/Yukon XL 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 10‑12.
.Four‐wheel drive only: Transfer
case fluid change (severe
service) for vehicles mainly
driven when frequently towing
a trailer, or used for taxi, police,
or delivery service. Check
vent hose at transfer case for
kinks and proper installation.
Check to be sure vent hose is
unobstructed, clear, and free of
debris. During any maintenance,
if a power washer is used to
clean mud and dirt from the
underbody, care should be taken
to not directly spray the transfer
case output seals. High pressure
water can overcome the seals
and contaminate the transfer
case fluid. Contaminated fluid
will decrease the life of the
transfer case and should be
replaced..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.

Black plate (6,1)GMC Yukon/Yukon XL Owner Manual - 2011
11-6 Service and Maintenance
First Engine Oil Change After
Every 160 000 km/100,000 Miles
.Automatic transmission fluid
change (normal service). See
Automatic Transmission Fluid on
page 10‑12.
.Four‐wheel drive only: Transfer
case fluid change (normal
service). Check vent hose at
transfer case for kinks and
proper installation. Check
to be sure vent hose is
unobstructed, clear, and free of
debris. During any maintenance,if a power washer is used to
clean mud and dirt from the
underbody, care should be
taken to not directly spray the
transfer case output seals.
High pressure water can
overcome the seals and
contaminate the transfer case
fluid. Contaminated fluid will
decrease the life of the transfer
case and should be replaced.
.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
Engine Coolant on
page 10‑17. 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 (4,1)GMC Yukon/Yukon XL Owner Manual - 2011
i-4 INDEX
Dual Automatic ClimateControl System . . . . . . . . . . . . . . . . 8-4
DVD Rear Seat EntertainmentSystem . . . . . . . . . . . . . . . . . . . . . . 7-35
DVD/CD Player . . . . . . . . . . . . . . . . 7-19
E
E85 Fuel . . . . . . . . . . . . . . . . . . . . . . . 9-70
Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . . . 9-94
Electrical System Engine Compartment
Fuse Block . . . . . . . . . . . . . . . . 10-41
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-40
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . 10-45
Overload . . . . . . . . . . . . . . . . . . . 10-39
Engine Air Cleaner/Filter . . . . . . . . . . . 10-15
Check and Service EngineSoon Light . . . . . . . . . . . . . . . . . . 5-21
Compartment Overview . . . . . . . 10-6
Coolant . . . . . . . . . . . . . . . . . . . . . 10-17 Engine (cont.)
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 5-16
Cooling System . . . . . . . . . . . . . 10-16
Cooling System Messages . . . 5-40
Drive Belt Routing . . . . . . . . . . . . 12-4
Exhaust . . . . . . . . . . . . . . . . . . . . . . 9-36
Fan . . . . . . . . . . . . . . . . . . . . . . . . . 10-23
Heater . . . . . . . . . . . . . . . . . . . . . . . . 9-32
Oil Pressure Gauge . . . . . . . . . . 5-15
Overheated Protection
Operating Mode . . . . . . . . . . . 10-23
Overheating . . . . . . . . . . . . . . . . 10-21
Power Messages . . . . . . . . . . . . . 5-41
Pressure Light . . . . . . . . . . . . . . . . 5-26
Running While Parked . . . . . . . . 9-36
Starting . . . . . . . . . . . . . . . . . . . . . . . 9-30
Engine Oil
Life System . . . . . . . . . . . . . . . . . 10-10
Messages . . . . . . . . . . . . . . . . . . . . 5-41
Entry Lighting . . . . . . . . . . . . . . . . . . . 6-9
Equipment, Towing . . . . . . . . . . . . 9-84
Event Data Recorders . . . . . . . . 13-15
Exit Lighting . . . . . . . . . . . . . . . . . . . . 6-9
Extender, Safety Belt . . . . . . . . . . 3-37
Exterior Lamp Controls . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . 6-2
F
Fan Engine . . . . . . . . . . . . . . . . . . . . . . 10-23
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Filter, Engine Air Cleaner . . . . . . . . . 10-15
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-3
Flashers, Hazard Warning . . . . . . 6-5
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-71 Changing . . . . . . . . . . . . . . . . . . . 10-72
Floor Mats . . . . . . . . . . . . . . . . . . .10-105
Fluid Automatic Transmission . . . . 10-12
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-27
Four-Wheel DriveTransfer Case . . . . . . . . . 9-43, 9-48
Power Steering . . . . . . . . . . . . . 10-24
Washer . . . . . . . . . . . . . . . . . . . . . 10-25
Fog Lamps
Bulb Replacement . . . . . . . . . . . . . 6-6
Folding Mirrors . . . . . . . . . . . . . . . . 2-19
Four-Wheel Drive . . . . . . . . . . . . 9-43, 9-48, 10-29
Front Axle . . . . . . . . . . . . . . . . . . . . 10-30

Black plate (5,1)GMC Yukon/Yukon XL Owner Manual - 2011
INDEX i-5
Front Fog LampsLight . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . 3-3
Heated . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Heated and Ventilated . . . . . . . . 3-10
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-68
Additives . . . . . . . . . . . . . . . . . . . . . 9-69
E85 (85% Ethanol) . . . . . . . . . . . 9-70
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 9-74
Filling the Tank . . . . . . . . . . . . . . . 9-72
Fuels in Foreign Countries . . . . 9-69
Gasoline Specifications . . . . . . . 9-69
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Low Fuel Warning Light . . . . . . . 5-27
Management, Active . . . . . . . . . . 9-35
Recommended . . . . . . . . . . . . . . . 9-68
Requirements, California . . . . . 9-69
System Messages . . . . . . . . . . . . 5-42
Fuel Economy
Driving . . . . . . . . . . . . . . . . . . . . . . . . 1-28
Full-Size Spare Tire . . . . . . . . . . 10-87 Fuses
Engine Compartment
Fuse Block . . . . . . . . . . . . . . . . 10-41
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-40
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . 10-45
G
Garage Door Opener . . . . . . . . . . 5-55
Programming . . . . . . . . . . . . . . . . . 5-55
Gasoline Specifications . . . . . . . . . . . . . . . . . 9-69
Gauges Engine CoolantTemperature . . . . . . . . . . . . . . . . 5-16
Engine Oil Pressure . . . . . . . . . . 5-15
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Odometer . . . . . . . . . . . . . . . . . . . . . 5-13
Speedometer . . . . . . . . . . . . . . . . . 5-13
Tachometer . . . . . . . . . . . . . . . . . . . 5-13
Trip Odometer . . . . . . . . . . . . . . . . 5-13
Voltmeter . . . . . . . . . . . . . . . . . . . . . 5-17
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 5-11 General Information
Service and Maintenance . . . . . 11-1
Towing . . . . . . . . . . . . . . . . . . . . . . . . 9-74
Vehicle Care . . . . . . . . . . . . . . . . . . 10-2
Glass Replacement . . . . . . . . . . . 10-34
Glove Box . . . . . . . . . . . . . . . . . . . . . . 4-1
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . 13-5H
Halogen Bulbs . . . . . . . . . . . . . . . . 10-37
Hazard Warning Flashers . . . . . . . 6-5
Head Restraints . . . . . . . . . . . . . . . . 3-2
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . 10-35
Automatic . . . . . . . . . . . . . . . . . . . . . . 6-4
Bulb Replacement . . . . . . . . . . 10-37
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . . 6-3
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-3
High-Beam On Light . . . . . . . . . . 5-27
High/Low Beam Changer . . . . . . 6-2
Heated
Rear Seats . . . . . . . . . . . . . . . . . . . 3-12
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . 3-10

Black plate (6,1)GMC Yukon/Yukon XL Owner Manual - 2011
i-6 INDEX
Heated Front Seats . . . . . . . . . . . . . 3-9
Heated Mirrors . . . . . . . . . . . . . . . . . 2-19
HeaterEngine . . . . . . . . . . . . . . . . . . . . . . . . 9-32
Heating and Air Conditioning . . . 8-1
High-Beam On Light . . . . . . . . . . . 5-27
Highway Hypnosis . . . . . . . . . . . . . 9-19
Hill and Mountain Roads . . . . . . . 9-19
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
How to Wear Safety Belts Properly . . . . . . . . . . . . . . . . . . . . . . 3-25
I
Ignition Positions . . . . . . . . . . . . . . 9-29
Ignition Transmission LockCheck . . . . . . . . . . . . . . . . . . . . . . . 10-33
Immobilizer . . . . . . . . . . . . . . . . . . . . 2-15
Infants and Young Children,
Restraints . . . . . . . . . . . . . . . . . . . . 3-56
Infotainment . . . . . . . . . . . . . . . . . . . . 7-1
Instrument Cluster . . . . . . . . . . . . . 5-12
Instrument Panel Overview . . . . . 1-2
Introduction . . . . . . . . . . . . . . . . . . . . . . . iii
J
Jump Starting . . . . . . . . . . . . . . . . . 10-88
K
Key and Lock Messages . . . . . . . 5-42
Keyless Entry Remote (RKE) System . . . . . . . . 2-3
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
L
Labeling, Tire Sidewall . . . . . . . . 10-50
Lamp Messages . . . . . . . . . . . . . . . 5-42
Lamps Auxiliary RoofMounted Lamp . . . . . . . . . . . . . . . 6-6
Daytime Running (DRL) . . . . . . . 6-3
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Exterior Controls . . . . . . . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . . . . . . . . . . . . . . . . . . 6-2
License Plate . . . . . . . . . . . . . . . 10-38
Malfunction Indicator . . . . . . . . . 5-21
Reading . . . . . . . . . . . . . . . . . . . . . . . 6-8
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . 3-36
Lap-Shoulder Belt . . . . . . . . . . . . . 3-30 LATCH System
Replacing Parts After a
Crash . . . . . . . . . . . . . . . . . . . . . . . 3-69
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . 3-62
Level Control Automatic . . . . . . . . . . . . . . . . . . . . . 9-55
Liftgate Carbon Monoxide . . . . . . . 2-10, 2-11
Lighter, Cigarette . . . . . . . . . . . . . . 5-10
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Illumination Control . . . . . . . . . . . . 6-7
Lights Airbag Readiness . . . . . . . . . . . . . 5-18
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 5-24
Brake System Warning . . . . . . . 5-23
Charging System . . . . . . . . . . . . . 5-20
Cruise Control . . . . . . . . . . . . . . . . 5-28
Engine Oil Pressure . . . . . . . . . . 5-26
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-3
Front Fog Lamps . . . . . . . . . . . . . 5-28
High-Beam On . . . . . . . . . . . . . . . . 5-27
High/Low Beam Changer . . . . . . 6-2

Black plate (7,1)GMC Yukon/Yukon XL Owner Manual - 2011
INDEX i-7
Lights (cont.)Low Fuel Warning . . . . . . . . . . . . 5-27
Safety Belt Reminders . . . . . . . . 5-17
Security . . . . . . . . . . . . . . . . . . . . . . 5-27
StabiliTrak
®Indicator . . . . . . . . . 5-25
Tire Pressure . . . . . . . . . . . . . . . . . 5-26
Tow/Haul Mode . . . . . . . . . . . . . . . 5-25
Locking Rear Axle . . . . . . . . . . . . . 9-55
Locks Automatic Door . . . . . . . . . . . . . . . . 2-9
Delayed Locking . . . . . . . . . . . . . . . 2-9
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Lockout Protection . . . . . . . . . . . . . 2-9
Power Door . . . . . . . . . . . . . . . . . . . . 2-8
Safety . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Loss of Control . . . . . . . . . . . . . . . . . 9-6
Low Fuel Warning Light . . . . . . . . 5-27
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . 3-62
Lumbar Adjustment . . . . . . . . . . . . . 3-6 Front Seats . . . . . . . . . . . . . . . . . . . . 3-6
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . .11-10
Maintenance Schedule Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 11-7
Scheduled Maintenance . . . . . . 11-2
Transfer Case . . . . . . . . . . 9-43, 9-48
Malfunction Indicator Lamp . . . . 5-21
Manual Mirrors . . . . . . . . . . . . . . . . 2-17
Manual Mode . . . . . . . . . . . . . . . . . . 9-41
Memory Features . . . . . . . . . . . . . . . 1-9
Messages Airbag System . . . . . . . . . . . . . . . . 5-45
Anti-Theft Alarm System . . . . . . 5-45
Battery Voltage andCharging . . . . . . . . . . . . . . . . . . . . 5-38
Brake System . . . . . . . . . . . . . . . . 5-38
Door Ajar . . . . . . . . . . . . . . . . . . . . . 5-39
Engine Cooling System . . . . . . . 5-40
Engine Oil . . . . . . . . . . . . . . . . . . . . 5-41
Engine Power . . . . . . . . . . . . . . . . 5-41
Fuel System . . . . . . . . . . . . . . . . . . 5-42 Messages (cont.)
Key and Lock . . . . . . . . . . . . . . . . . 5-42
Lamp . . . . . . . . . . . . . . . . . . . . . . . . . 5-42
Object Detection System . . . . . 5-42
Ride Control System . . . . . . . . . . 5-43
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-45
Transmission . . . . . . . . . . . . . . . . . 5-46
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 5-37
Vehicle Reminder . . . . . . . . . . . . . 5-46
Washer Fluid . . . . . . . . . . . . . . . . . 5-47
Mirrors Automatic Dimming . . . . . . . . . . . 2-20
Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . 2-20
Convex . . . . . . . . . . . . . . . . . . . . . . . 2-17
Folding . . . . . . . . . . . . . . . . . . . . . . . 2-19
Heated . . . . . . . . . . . . . . . . . . . . . . . 2-19
Manual . . . . . . . . . . . . . . . . . . . . . . . 2-17
Manual Rearview . . . . . . . . . . . . . 2-20
Park Tilt . . . . . . . . . . . . . . . . . . . . . . 2-20
Power . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Trailer Tow . . . . . . . . . . . . . . . . . . . . 2-17
Monitor System, Tire
Pressure . . . . . . . . . . . . . . . . . . . . 10-58