1999 CHEVROLET SILVERADO tires

Scheduled Maintenance -- Gasoline Engines
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7-10
45,000 Miles (75 000 km) (Continued)

Lubricate chassis components (or at each engine oil and filter change).
(See footnote #.)

If Equipped: Replace passenger compartment air filter. If you drive regularly
under dusty conditions, the filter may require replacement more often.

Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking.

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
50,000 Miles (83 000 km)

Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
± In heavy city traffic where the outside temperature regularly reaches 90
F
(32
C) or higher.
± In hilly or mountainous terrain.
± When doing frequent trailer towing.
± Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the fluid
and filter at 100,000 miles (166 000 km).ACTUAL
SERVICED BY:MILEAGE
DATE

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Scheduled Maintenance -- Gasoline Engines
7-11
52,500 Miles (87 500 km)

Check Oil Life Monitor. If engine oil and filter are changed, reset monitor.
See ªEngine Oilº in the Index.
An Emission Control Service. (See footnote *.)

Lubricate chassis components (or at each engine oil and filter change).
(See footnote #.)

Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking.

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
60,000 Miles (100 000 km)

Check Oil Life Monitor. If engine oil and filter are changed, reset monitor.
See ªEngine Oilº in the Index.
An Emission Control Service. (See footnote *.)

Lubricate chassis components (or at each engine oil and filter change).
(See footnote #.)

If Equipped: Replace passenger compartment air filter. If you drive regularly
under dusty conditions, the filter may require replacement more often.

Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking.
(Continued)
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE

Scheduled Maintenance -- Gasoline Engines
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7-12
60,000 Miles (100 000 km) (Continued)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)

Inspect engine accessory drive belt.
An Emission Control Service.

Replace fuel filter.
An Emission Control Service. (See footnote
.)
Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket
for any damage. Replace parts as needed.
An Emission Control Service. (See footnote
.)
Inspect Exhaust Gas Recirculation (EGR) system as described in the
service manual.
An Emission Control Service. (See footnote
.)
Inspect Evaporative Control System. Check all fuel and vapor lines and hoses
for proper hook
-up, routing and condition. Check that the purge valve works
properly, if equipped. Replace as needed.
An Emission Control Service. (See footnote
.)
67,500 Miles (112 500 km)
Check Oil Life Monitor. If engine oil and filter are changed, reset monitor.
See ªEngine Oilº in the Index.
An Emission Control Service. (See footnote *.)ACTUAL
SERVICED BY:MILEAGE
DATE

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Scheduled Maintenance -- Gasoline Engines
7-13

Lubricate chassis components (or at each engine oil and filter change).
(See footnote #.)

Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking.

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
75,000 Miles (125 000 km)

Check Oil Life Monitor. If engine oil and filter are changed, reset monitor.
See ªEngine Oilº in the Index.
An Emission Control Service. (See footnote *.)

Lubricate chassis components (or at each engine oil and filter change).
(See footnote #.)

If Equipped: Replace passenger compartment air filter. If you drive regularly
under dusty conditions, the filter may require replacement more often.

Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking.

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)ACTUAL
SERVICED BY:MILEAGE
DATE

Scheduled Maintenance -- Gasoline Engines
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7-14
82,500 Miles (137 500 km)

Check Oil Life Monitor. If engine oil and filter are changed, reset monitor.
See ªEngine Oilº in the Index.
An Emission Control Service. (See footnote *.)

Lubricate chassis components (or at each engine oil and filter change).
(See footnote #.)

Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking.

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
90,000 Miles (150 000 km)

Check Oil Life Monitor. If engine oil and filter are changed, reset monitor.
See ªEngine Oilº in the Index.
An Emission Control Service. (See footnote *.)

Lubricate chassis components (or at each engine oil and filter change).
(See footnote #.)

If Equipped: Replace passenger compartment air filter. If you drive regularly
under dusty conditions, the filter may require replacement more often.

Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking.
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE

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Scheduled Maintenance -- Gasoline Engines
7-15

Replace fuel filter.
An Emission Control Service. (See footnote
.)
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
97,500 Miles (162 500 km)
Check Oil Life Monitor. If engine oil and filter are changed, reset monitor.
See ªEngine Oilº in the Index.
An Emission Control Service. (See footnote *.)
Lubricate chassis components (or at each engine oil and filter change).
(See footnote #.)
Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking.
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
100,000 Miles (166 000 km)
Inspect spark plug wires.
An Emission Control Service.
Replace spark plugs.
An Emission Control Service.
(Continued)
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE

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7-18
Part B: Owner Checks and Services
Listed in this part are owner checks and services which
should be performed at the intervals specified to help
ensure the safety, dependability and emission control
performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown in
Part D.
At Each Fuel Fill
It is important for you or a service station attendant to
perform these underhood checks at each fuel fill.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. See ªEngine Oilº in the Index for
further details.Engine Coolant Level Check
Check the engine coolant level and add DEX
-COOL

coolant mixture if necessary. See ªEngine Coolantº in
the Index for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the
windshield washer tank and add the proper fluid if
necessary. See ªWindshield Washer Fluidº in the Index
for further details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inflated to the correct pressures.
See ªTiresº in the Index for further details.
Cassette Deck Service
Clean cassette deck. Cleaning should be done every
50 hours of tape play. See ªAudio Systemsº in the
Index for further details.

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9-3
Inside of Your Vehicle 6-54 . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Plastic Components 6-56 . . . . . . . . . . . . . . . . . . . . .
Leather 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside of Your Vehicle 6-58 . . . . . . . . . . . . . . . . . . . . . . . .
Special Problems 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stains 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tires 6-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vinyl 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheels 6-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield and Wiper Blades 6-57 . . . . . . . . . . . . . . . . . . .
Climate Control System 3-2, 3-3 . . . . . . . . . . . . . . . . . . . . . . .
Clock, Setting the 3-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clutch Fluid, Hydraulic 6-24, 7-25 . . . . . . . . . . . . . . . . . . . . .
Clutch, System Check 7-20 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Controls 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Guides, Rear 1-41 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Care 3-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Player 3-18, 3-22 . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Player Care 3-28 . . . . . . . . . . . . . . . . . . . . . . . .
Compass, Rearview Mirror with 2-56 . . . . . . . . . . . . . . . . . . .
Console Storage 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Content Theft-Deterrent 2-11 . . . . . . . . . . . . . . . . . . . . . . . . .
Control of a Vehicle 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convex Outside Mirror 2-60 . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 6-29, 6-75, 7-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater, Engine 2-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Surge Tank 5-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Surge Tank Pressure Cap 6-28 . . . . . . . . . . . . . . . . . .
Cooling System 5-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Transportation 8-8 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Light 2-80 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cupholders 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Customer Assistance for Text Telephone Users 8
-4 . . . . . . . . .
Customer Assistance Information 8-1 . . . . . . . . . . . . . . . . . . .
Customer Satisfaction Procedure 8-2 . . . . . . . . . . . . . . . . . . . .
Damage, Finish 6-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Damage, Sheet Metal 6-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running Lamp Bulb Replacement 6-40 . . . . . . . . . .
Daytime Running Lamps 2-52 . . . . . . . . . . . . . . . . . . . . . . . . .
Dead Battery 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defects, Reporting Safety 8-10 . . . . . . . . . . . . . . . . . . . . . . . .
Defensive Driving 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defogger, Rear Window 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . .
Defogging and Defrosting 3-6 . . . . . . . . . . . . . . . . . . . . . . . . .
Dolby B Noise Reduction 3-16 . . . . . . . . . . . . . . . . . . . . . . . .
Dome Lamps 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door
Locks 2
-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Third 2-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Downshifting 2-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver Position 1-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving
City 4
-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defensive 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drunken 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Freeway 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In a Blizzard 4-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In the Rain 4-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Night 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off-Road 4-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Curves 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Grades While Towing a Trailer 4-62 . . . . . . . . . . . . . . .
On Hill and Mountain Roads 4-38 . . . . . . . . . . . . . . . . . . . .
On Snow and Ice 4-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .