2006 CHEVROLET TAHOE oil

At Least Once a Month
Tire Ination Check
Visually inspect your vehicle’s tires and make sure they
are inated to the correct pressures. Do not forget to
check the spare tire. SeeTires on page 5-59for further
details. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-79.
Tire Wear Inspection
Tire rotation may be required for high mileage highway
drivers prior to the Engine Oil Life System service
notication. Check the tires for wear and, if necessary,
rotate the tires. SeeTire Inspection and Rotation on
page 5-70.
At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-32.
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 PARK (P) or NEUTRAL (N).
If the vehicle starts in any other position, contact
your GM Goodwrench
®dealer for service.
6-10

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 NEUTRAL (N),
slowly remove foot pressure from the regular brake
pedal. Do this until the vehicle is held by the parking
brake only.
To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to PARK (P).
Then release the parking brake followed by the
regular brake.
Contact your GM Goodwrench
®dealer if service is
required.
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.
Recommended Fluids and
Lubricants
Fluids and lubricants identied below by name, part
number, or specication may be obtained from
your dealer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certied for Gasoline Engines
starburst symbol. GM Goodwrench
®
oil meets all the requirements for
your vehicle. 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 5-25.
Hydraulic Brake
SystemDelco
®Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
WasherGM Optikleen
®Washer Solvent.
Power Steering
SystemGM Power Steering Fluid
(GM Part No. U.S. 89021184,
in Canada 89021186).
6-12

Normal Maintenance Replacement Parts
Replacement parts identied below by name, part number, or specication can be obtained from your GM dealer.
Normal Maintenance Replacement Parts
Part GM Part NumberACDelco®Part
Number
Engine Air Cleaner /Filter
High Capacity Filter 25313349 A1518C
Standard Filter 25313348* A1519C*
Oil Filter
4.8L V8; 5.3L V8; 6.0L V8 88984215 PF46
8.1L V8 25324052 PF454
Spark Plugs
4.8L V8; 5.3L V8; 6.0L V8 12571164 41-985
8.1L V8 12578277 41-983
Wiper Blades
Front – 22 inches (56.0 cm) 15153642 —
Rear – 14 inches (35.0 cm) 12494839 —
*A1518C high-capacity air cleaner lter may be substituted.
6-14

Engine (cont.)
Engine Compartment Overview......................5-12
Exhaust.....................................................2-36
Fan Noise..................................................5-35
Oil .............................................................5-15
Oil Life System...........................................5-18
Overheated Protection Operating Mode...........5-30
Overheating................................................5-28
Starting......................................................2-20
Entry Lighting.................................................3-19
Event Data Recorders (EDR)............................7-10
Exit Lighting...................................................3-19
Extender, Safety Belt.......................................1-47
F
Filter
Engine Air Cleaner......................................5-20
Finish Damage.............................................5-106
Fixed Mast Antenna.......................................3-133
Flashers, Hazard Warning.................................. 3-5
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-78
Flat Tire, Changing.........................................5-79
Flat Tire, Storing.............................................5-94Fluid
Automatic Transmission................................5-22
Power Steering...........................................5-36
Windshield Washer......................................5-37
Fog Lamps ....................................................3-17
Four-Wheel Drive....................................2-26, 5-48
Four-Wheel-Drive Light....................................3-49
Front Axle......................................................5-50
Front Reading Lamps......................................3-19
Front Storage Area.........................................2-56
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-5
E85 (85% Ethanol)........................................ 5-7
Filling a Portable Fuel Container....................5-10
Filling Your Tank........................................... 5-8
Fuels in Foreign Countries.............................. 5-8
Gage .........................................................3-50
Gasoline Octane........................................... 5-5
Gasoline Specications.................................. 5-5
Low Warning Light.......................................3-50
Fuses
Center Instrument Panel Fuse Block.............5-112
Fuses and Circuit Breakers.........................5-109
Instrument Panel Fuse Block.......................5-110
Underhood Fuse Block...............................5-113
Windshield Wiper.......................................5-109
6

G
Gage
Engine Coolant Temperature.........................3-42
Fuel..........................................................3-50
Oil Pressure...............................................3-48
Speedometer..............................................3-36
Tachometer.................................................3-36
Transmission Temperature.............................3-43
Voltmeter Gage...........................................3-40
Garage Door Opener.......................................2-52
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-5
Glove Box.....................................................2-56
GM Mobility Reimbursement Program.................. 7-6
H
Hazard Warning Flashers................................... 3-5
Head Restraints............................................... 1-8
Headlamps............................................3-14, 5-51
Automatic Headlamp System.........................3-16
Bulb Replacement.......................................5-51
Daytime Running Lamps...............................3-15Headlamps (cont.)
Flash-to-Pass............................................... 3-9
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-52
Halogen Bulbs............................................5-51
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-15
Roof Marker Lamps.....................................5-54
Side Identication Marker Lamps...................5-54
Heated Seats................................................... 1-4
Heater...................................................3-21, 3-22
Heater...........................................................3-25
Highbeam On Light.........................................3-49
Highway Hypnosis...........................................4-39
Hill and Mountain Roads..................................4-40
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn ............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-34
7

Mirrors (cont.)
Automatic Dimming Rearview with OnStar®
and Compass..........................................2-37
Automatic Dimming Rearview with OnStar®,
Compass and Temperature Display.............2-39
Manual Rearview Mirror................................2-37
Outside Automatic Dimming Mirror.................2-48
Outside Camper-Type Mirrors........................2-46
Outside Convex Mirror.................................2-49
Outside Curb View Assist Mirrors...................2-49
Outside Heated Mirrors................................2-49
Outside Manual Mirrors................................2-46
Outside Power Foldaway Mirrors....................2-48
Outside Power Mirrors..................................2-47
MyGMLink.com................................................ 7-4
N
Navigation/Radio System, see Navigation
Manual.....................................................3-117
New Vehicle Break-In......................................2-18
Normal Maintenance Replacement Parts............6-14
O
Odometer......................................................3-36
Odometer, Trip...............................................3-36
Off-Road Driving.............................................4-17
Off-Road Recovery..........................................4-14
Oil
Engine.......................................................5-15
Pressure Gage............................................3-48
Oil, Engine Oil Life System..............................5-18
Older Children, Restraints................................1-48
Online Owner Center........................................ 7-4
OnStar
®System, see OnStar®Manual...............2-50
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-30
Outlet(s), Accessory Power...............................3-20
Outside
Automatic Dimming Mirror.............................2-48
Camper-Type Mirrors....................................2-46
Convex Mirror.............................................2-49
Curb View Assist Mirrors..............................2-49
Heated Mirrors............................................2-49
Manual Mirrors............................................2-46
Power Foldaway Mirrors...............................2-48
Power Mirrors.............................................2-47
Overheated Engine Protection Operating Mode.....5-30
Owner Checks and Services.............................. 6-9
Owners, Canadian............................................... ii
10