
Long Tripmighway Maintenance Schedule -- Gasoline Engines I
45,000 Miles (75 000 km) (Continued)
0 If your engine has a thermostatically
controlled cooling fan, inspect all hoses
and ducts for proper hook-up (or every
12 months, whichever occurs first). Be sure
the
valve works properly. This is a Noise
Emission Control Service. Applicable only to
vehicles sold in the United States.
DATE ACTUAL MILEAGE SERVICED BY I
50,000 Miles (83 000 km)
0 Change automatic transmission fluid
and filter
if the vehicle's GVWR is over
8600 lbs. or 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.
7-34
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1 Long Tripmighway Maintenance Schedule -- Gasoline Engines I
100,000 Miles (1 66 000 km)
0 Drain, flush and refill cooling system (or
every
60 months since last service,
whichever occurs first). See “Engine
Coolant” in
the Index for what to use.
Inspect hoses. Clean radiator, condenser,
pressure cap and neck. Pressure test the
cooling system and pressure cap.
An Emission Con.tro1 Service. 3-
0 Inspect spark plug wires.
0 Replace spark plugs. An Emission Control Service.
Change automatic transmission fluid
and filter
if the vehicle’s GVWR is over
8600 lbs. or 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.
An Emission Control Service.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or
delivery service.
vyou do not ILY~ your- vehicle under my uf
these c*orlditions, the fluid and filter do not
require chwgirzg.
Manual transmission fluid doesn’t require change.
Inspect Positive Crankcase Ventilation
(Pcv) valve. An Enlission Control Service.
DATE ACTUAL MILEAGE SERVICED BY:
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Automatic Transmission Check
Restraint System Check
Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors and anchorages are
working properly. Look
for any other loose or damaged
safety belt system parts.
If you see anything that might
keep a safety belt system from doing its job, have
it
repaired. Have any torn or frayed safety belts replaced.
Also
look for any opened or broken air bag covers, and
have them repaired or replaced. (The air bag
system
does not need regular maintenance.)
Air Cleaner Filter Restriction Indicator Check
Your vehicle has an indicator on the engine that lets you
know when the air cleaner filter is dirty and needs to be
changed. Check indicator at least twice
a year or when
your
oil is changed. See “Air Cleaner” in the Index for
more information.
Manual Transmission Check
Check the transmission fluid level; add if needed. See
“Manual Transmission” in
the Index. A fluid loss may
indicate
a problem. Check the system and repair if needed. Check the transmission
fluid level; add if needed. See
“Automatic Transmission”
in the Index. A fluid loss
may indicate a problem. Check the system and repair
if needed.
Hydraulic Clutch System Check
Check the fluid level in the clutch reservoir. See
“Hydraulic Clutch Fluid”
in the Index. A fluid loss in
this system could indicate a problem. Have the system
inspected and repaired
at once.
At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specified
in Part D.
Body Lubrication Service
Lubricate all fuel doors, body hood and body door
hinges, tailgate and tailgate handle pivot points, latches,
locks and folding seat hardware. Part
D tells you what to
use. More frequent lubrication may be required when
exposed to a corrosive environment.
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USAGE
Manual
Transmission (5-Speed
with
Low Gear, RPO
MW3)
Manual
Transmission
(5-Speed without
Low Gear, RPO
MG5)
Automatic
Transmission
Key Lock
Cylinders
Floor Shift
Linkage
FLUID/LUIBRICANT
GM Goodwrench Synthetic
Manual Transmission Gear Oil
(GM Part No. 12346 190
- 1 qt.),
Castrol Syntorq@
LT or equivalent
SAE 75W-90 GL-4 gear oil.
Synchromesh Transmission Fluid
(GM Part
No. 12345349 or
equivalent).
~~ ~~
DEXRON@-I11 Automatic
Transmission
Fluid.
Multi-Pu ose Lubricant,
Superlube
% (GM Part
No. 1234624
1 or equivalent),
Lubriplate Lubricant aerosol (GM
Part
No. 12346293 or equivalent)
or lubricant meeting requirements
of NLGI Grade 2 Category LB or
GC-LB.
I USAGE
Chassis
Lubrication
Front Wheel
Bearings
Differential,
Front and Rear
Axle
I
Differential, C3
(3500 HD)
Trucks With
Dana Rear Axle
I Transfer Case
FLUID/LUBRICANT
Chassis lubricant (GM Part
No. 1052497 or equivalent) or
lubricant meeting requirements of
NLGI Grade
2, Category LB or
Wheel bearing lubricant meeting
requirements of NLGI Grade 2,
Category GC or GC-LB (GM Part
No. 105 1344 or equivalent).
Axle Lubricant
(GM Part
No. 105227 1) or SAE 80W-90
GL-5 Gear Lubricant.
SAE 75W-
I40 Synthetic Gear
Lubricant. GC-LB.
~~
DEXRON@-I11
Automatic
Transmission Fluid.
~~ ~ ~ -~ -
7-49
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Section 9 Index
I
Accessory Power Outlet ......................... 2-53
AirBag
....................................... 1-21
Adding Equipment
............................ 1 -26
How Does it Restrain .......................... 1-24
How
it Works ................................ 1-23
Location
.................................... 1-23
Readiness Light
......................... 1-22, 2-59
Servicing ................................... 1-26
What Makes
it Inflate .......................... 1-24
What Will
You See After it Inflates ............... 1-24
When Should
it Inflate ......................... 1-23
Aircleaner
.................................... 6-16
Air Cleaner Filter Restriction Indicator Check
........ 7-43
Air Conditioning
................................ 3-3
Air Conditioning Refrigerants
..................... 6-76
Alignment and Balance, Tire
...................... 6-55
Aluminum Wheels, Cleaning
...................... 6-64
Antenna
...................................... 3-24
Antifreeze
..................................... 6-26
Anti-Lock
Brakes
...................................... 4-6
Brake System Warning Light
................ 2-62, 4-6
I
Appearance Care ............................... 6-58
Appearance Care Materials ....................... 6-66
Arbitration Program
.............................. 8-7
Armrest Storage Compartment
.................... 2-51
Ashtrays
...................................... 2-52
Audio Equipment. Adding
........................ 3-23
Audio Systems
.................................. 3-6
Automatic Transmission
......................... 2-11
Check
...................................... 7-43
Fluid
....................................... 6-19
Park Mechanism Check
........................ 7-45
Starting Your Engine
.......................... 2-11
Operation ................................... 2-13
Axle. Front .................................... 6-26
Axle. Locking Rear
............................. 2-21
Axle. Rear .................................... 6-24
Battery
...................................... 6-37
Jump Starting
................................. 5-2
Replacement. Keyless Entry
..................... 2-6
Warnings
................................ 5-2. 5-4
BBB Auto Line
................................. 8-7
Better Business Bureau Mediation ................... 8-7
9-1
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Gear Positions. Automatic Transmission ............. 2- 13
Gear Positions. Manual Transmission .......... 2- 17. 2- 18
GloveBox .................................... 2-46
Gross Axle Weight Rating
........................ 4-42
Gross Vehicle Weight Rating
...................... 4-42
Guide en FranCais
11 .. .................................
GVWR ....................................... 4-42
Halogen Bulbs
................................ 6-37
Hazard Warning Flashers
.......................... 5- 1
Headlamps .................................... 2-39
Bulb Replacement
....................... 6.38. 6.39
High/Low Beam Changer
...................... 2-34
OnReminder
................................ 2-39
Wiring
..................................... 6-68
Head Restraints
................................. 1-5
Hearing Impaired. Customer Assistance
.............. 8-3
Heating
........................................ 3-4
High-Beam Headlamps
.......................... 2-34
Highway Hypnosis
.............................. 4-36
Hill and Mountain Roads
......................... 4-36
Hitches. Trailer
................................. 4-54
Hood
Checking Things Under ......................... 6-6
Release
...................................... 6-7
Horn
......................................... 2-32
Hydraulic Clutch Fluid
........................... 6-23
Hydroplaning
.................................. 4-32 Ignition
Positions
............................... 2-9
Illuminated Entry
............................... 2-42
Inflation. Tire
.................................. 6-49
Inside Daymight Rearview Mirror
................. 2-43
Inspections
.................................... 7-46
Brakesystem
................................ 7-47
Drive Axle
.................................. 7-47
Exhaust Systems
............................. 7-46
Radiator and Heater Hose
...................... 7-46
Steering
.................................... 7-46
Suspension
.................................. 7-46
Throttle Linkage
.............................. 7-46
Transfer Case (Four-wheel Drive)
............... 7-47
Instrument Panel
............................... 2-54
Cleaning
.................................... 6-61
Cluster
..................................... 2-56
FuseBlock
.................................. 6-69
Intensity Control
............................. 2-42
Interior Lamps
................................. 2-42
.................................... J ack. Tire 5-22
Jump Starting
................................... 5-2
Key
Lock Cylinders Service ..................... 7-43
Key Release Button ............................. 2- IO
Keyless Entry System ............................ 2-5
Keys .......................................... 2-1
9'
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Tape Player Care ............................... 3-24
Temperature Control. Climate Control System
..... 3- I. 3-3
Theft
.......................................... 2-7
Theft-Deterrent Feature
.......................... 3-2 1
Thermostat .................................... 6-30
Third Door ..................................... 2-3
Tilt Steering Wheel
............................. 2-33
Time. Setting the
................................ 3-7
Tirechains
.................................... 6-57
Tire Loading
................................... 4-42
Tires
......................................... 6-48
Alignment and Balance
........................ 6-55
Buying New ................................. 6-53
Chains
..................................... 6-57
Changing
a Flat .............................. 5-2 1
Cleaning .................................... 6-64
Inflation
.................................... 6-49
Inflation Check
............................... 7-42
Inspection and Rotation
........................ 6-50
Loading .................................... 4-42
Pressure
.................................... 6-49
Temperature
................................. 6-55
Traction .................................... 6-54
Treadwear ................................... 6-54
Uniform Quality Grading
....................... 6-54
Wear Indicators
.............................. 6-52
Wheel Replacement
........................... 6-55
When It’s Time for New
....................... 6-52
TopStrap
..................................... 1-39
TorqueLock
................................... 2-28
THEFTLOCK
TM ................................ 3-2 1
Torque. Wheel Nut ......................... 5.28. 6.75
Towing
a Trailer ................................ 4-46
Trailer
Towing
Your Vehicle
............................. 5-7
Brakes
..................................... 4-55
Driving on Grades
............................ 4-57
Drivingwith
................................. 4-55
Hitches ..................................... 4-54
Maintenance When Towing
..................... 4-59
Parking on
Hills .............................. 4-58
Safety Chains
................................ 4-55
Tongueweight ............................... 4-53
Total Weight on Tires
.......................... 4-54
Towing
..................................... 4-46
TurnSlgnals ................................. 4-57
Weight
..................................... 4-48
Wiring Harness
............................... 4-59
Transfer Case, Electronic ......................... 2-23
Transfer Case Lubricant
.......................... 6-25
Transfer Case, Manual
........................... 2-21
Transmission Fluid
Automatic
................................... 6-19
Manual
..................................... 6-22
Transmitters. Keyless Entry
........................ 2-5
Transportation, Courtesy
.......................... 8-6
Trip Odometer
................................. 2-57
TTYUsers
..................................... 8-3
Turn Signal
and Lane Change Signals ............... 2-34
Turn Signal/Multifunction Lever
................... 2-33
Turn Signals When Towing
a Trailer ................ 4-57
9-10
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