2009 CHEVROLET SUBURBAN automatic transmission

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/retailer if service is required.
Parking Brake and Automatic
Transmission P (Park) Mechanism
Check
{CAUTION:
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 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/retailer if service is required.
Hood and Liftgate Support Gas Strut
Service
Visually inspect gas strut for signs of wear, corrosion,
cracks, loss of lubricant, or other damage. Check the
hold open ability of gas strut. If necessary, replace with
genuine parts from your dealer/retailer.
Underbody Flushing Service
At least every spring, use plain water to ush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-12

Recommended Fluids and
Lubricants
Fluids and lubricants identied below by name, part
number, or specication can be obtained from your
dealer/retailer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certied for Gasoline Engines
starburst symbol. To determine the
proper viscosity for your vehicle’s
engine, seeEngine Oil on page 5-15.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 5-29.
Hydraulic Brake
SystemDOT 3 Hydraulic Brake Fluid
(GM Part No. U.S. 12377967,
in Canada 89021320).
Windshield
WasherOptikleen
®Washer Solvent.
Usage Fluid/Lubricant
Power Steering
SystemGM Power Steering Fluid
(GM Part No. U.S. 89021184,
in Canada 89021186).
Automatic
TransmissionDEXRON
®-VI Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Chassis
LubricationChassis Lubricant
(GM Part No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Front Axle
(1500 Series
Vehicles with
Four-Wheel
Drive)SAE 80W-90 Axle Lubricant
(GM Part No. U.S. 89021671,
in Canada 89021672).
Front Axle
(2500 Series
Vehicles with
Four-Wheel
Drive)SAE 75W-90 Synthetic
Axle Lubricant
(GM Part No. U.S. 89021677, in
Canada 89021678) meeting GM
Specication 9986115.
6-13

Usage Fluid/Lubricant
Rear AxleSAE 75W-90 Synthetic
Axle Lubricant
(GM Part No. U.S. 89021677,
in Canada 89021678) meeting
GM Specication 9986115.
Transfer Case
(Four-Wheel
Drive)DEXRON
®-VI Automatic
Transmission Fluid.
Front Axle
Propshaft
Spline or
One-Piece
Propshaft
Spline
(Two-Wheel
Drive with Auto.
Trans.)Spline Lubricant, Special Lubricant
(GM Part No. U.S. 12345879, in
Canada 10953511) or lubricant
meeting requirements of
GM 9985830.
Usage Fluid/Lubricant
Hood HingesMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Outer Tailgate
Handle Pivot
PointsMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241,
in Canada 10953474).
Weatherstrip
ConditioningWeatherstrip Lubricant
(GM Part No. U.S. 3634770,
in Canada 10953518) or
Dielectric Silicone Grease
(GM Part No. U.S. 12345579,
in Canada 992887).
Weatherstrip
SqueaksSynthetic Grease with
Teon, Superlube
(GM Part No. U.S. 12371287,
in Canada 10953437).
6-14

Appearance Care (cont.)
Washing Your Vehicle.................................5-110
Weatherstrips............................................5-109
Windshield, Backglass, and Wiper Blades......5-111
Ashtray.........................................................3-21
Assistance Program, Roadside........................... 7-7
Audio System.................................................3-83
Audio Steering Wheel Controls....................3-138
Navigation/Radio System, see Navigation
Manual.................................................3-115
Setting the Clock.........................................3-84
XM™ Satellite Radio Antenna System...........3-140
Audio System(s).............................................3-86
Audio Systems
Radio Reception........................................3-139
Rear Seat (RSA).......................................3-136
Theft-Deterrent Feature...............................3-138
Automatic Headlamp System............................3-16
Automatic Transmission
Fluid..................................................5-22, 5-25
Operation...................................................2-32
Autoride
®.......................................................4-50
Auxiliary
Roof Mounted Lamp....................................3-18
Axle, Rear.....................................................5-49
B
Battery..........................................................5-43
Electric Power Management..........................3-19
Run-Down Protection...................................3-20
Belt Routing, Engine.......................................6-16
Bench Seat, Split (60/40).................................1-14
Bluetooth
®....................................................3-115
Brake
Emergencies................................................ 4-6
Pedal and Adjustable Throttle........................2-30
Brakes..........................................................5-40
Antilock....................................................... 4-5
Parking......................................................2-45
System Warning Light..................................3-40
Braking........................................................... 4-4
Braking in Emergencies..................................... 4-6
Break-In, New Vehicle.....................................2-26
Bucket Seats, Rear.........................................1-20
Bulb Replacement...........................................5-58
Fog Lamps .................................................3-17
Halogen Bulbs............................................5-56
Headlamp Aiming........................................5-53
Headlamps.................................................5-56
License Plate Lamps....................................5-58
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps........................................5-57
Buying New Tires...........................................5-78
2

F
Filter
Engine Air Cleaner......................................5-20
Finish Damage.............................................5-113
Flashers, Hazard Warning.................................. 3-6
Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-85
Flat Tire, Changing.........................................5-86
Flat Tire, Storing...........................................5-102
Fluid
Automatic Transmission........................5-22, 5-25
Power Steering...........................................5-38
Windshield Washer......................................5-39
Fog Lamps
Bulb Replacement.......................................3-17
Light..........................................................3-49
Four-Wheel Drive....................................2-40, 5-51
Front Axle......................................................5-52
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-6
E85 (85% Ethanol)........................................ 5-7
Economy Driving........................................... 4-2
Filling a Portable Fuel Container....................5-11
Filling the Tank............................................. 5-9
Fuels in Foreign Countries.............................. 5-8
Gage .........................................................3-50
Gasoline Octane........................................... 5-5Fuel (cont.)
Gasoline Specications.................................. 5-6
Low Fuel Warning Light................................3-51
Management, Active.....................................2-31
Fuses
Center Instrument Panel Fuse Block.............5-118
Fuses and Circuit Breakers.........................5-115
Instrument Panel Fuse Block.......................5-116
Underhood Fuse Block...............................5-119
Windshield Wiper.......................................5-115
G
Gages
Engine Coolant Temperature.........................3-42
Fuel..........................................................3-50
Oil Pressure...............................................3-46
Speedometer..............................................3-36
Tachometer.................................................3-36
Trip Odometer.............................................3-36
Voltmeter Gage...........................................3-39
Garage Door Opener.......................................2-71
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-6
Glove Box.....................................................2-78
GM Mobility Reimbursement Program.................. 7-7
6

Tires (cont.)
Wheel Alignment and Tire Balance.................5-82
Wheel Replacement.....................................5-82
When It Is Time for New Tires......................5-77
Tow/Haul Mode ...............................................2-38
Tow/Haul Mode Light.......................................3-49
Towing
Recreational Vehicle.....................................4-43
Towing a Trailer..........................................4-50
Trailer Recommendations..............................4-72
Your Vehicle...............................................4-43
Traction
StabiliTrak
®System....................................... 4-6
Trailer
Towing Recommendations.............................4-72
Transmission
Fluid, Automatic..................................5-22, 5-25
Transmission Operation, Automatic....................2-32
Transportation Program, Courtesy......................7-10
Trip Odometer................................................3-36
Turn and Lane-Change Signals.......................... 3-7
Turn Signal/Multifunction Lever........................... 3-7
U
Ultrasonic Rear Parking Assist (URPA)...............2-56
Uniform Tire Quality Grading............................5-81
Universal Home Remote System.......................2-71
Operation...................................................2-72
V
Vehicle
Control........................................................ 4-3
Loading......................................................4-33
Remote Start................................................ 2-8
Running While Parked..................................2-51
Symbols......................................................... iv
Vehicle Customization, DIC..............................3-74
Vehicle Data Recording and Privacy..................7-16
Vehicle Identication
Number (VIN)............................................5-114
Service Parts Identication Label..................5-114
Ventilation Adjustment......................................3-30
Visors...........................................................2-21
Voltmeter Gage..............................................3-39
15