1994 GMC SIERRA trailer

5. AIR CLEANER FILTER REPLACEMENT* - Replace at every
30,000 miles (50 000 km) or more often under dusty conditions. Ask
your dealer for the proper replacement intervals for your driving
conditions.
6. FRONT WHEEL BEARING REPACK (2-WHEEL DRIVE
ONLY)
- Clean and repack the front wheel bearings at each brake
relining, or at
the specified interval, whichever comes first.
7. TRANSMISSION SERVICE’/-
Automatic Transmission
- Change the transmission fluid and filter
every
15,000 miles (25 000 km) for vehicles under 8,600 GVWR or
every 12,000 miles
(20 000 km) for vehicles over 8,600 GVWR if the
vehicle is mainly driven under one or more
of these conditions:
In heavy city traffic.
0 Where the outside temperature regularly reaches 90°F (32°C) or
0 In hilly or mountainous terrain.
higher.
Frequent
trailer pulling.
Uses such as taxi, police, delivery or other commercial service.
If the vehicle
is not used mainly under any of these conditions, change
the fluid and filter every
30,000 miles (50 000 km) for vehicles under
8,600
GVWR or every 24,000 miles (40 000 km) for vehicles over
8,600 GVWR see “Automatic Transmission Fluid”
in the Index for
more information.
Manual Transmission - Transmission fluid does not require periodic
changing.
8. CDRV SYSTEM INSPECTION* - Check the Crankcase
Depression Regulator Valve System for any worn, plugged or collapsed
hoses. Have the system checked as described in the Service Manual.
9. FUEL FILTER REPLACEMENT*$ - Replace the fuel filter at the
specified interval or sooner if clogged.
?A fluid loss
in these systems may indicate a problem. Have them
inspected and repaired at once.
:i: An Emission Control Service
$The California Air Resources Board bas 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 useful life.
General Motors, however, urges that all recommended maintenance
services be performed at the indicated intervals and the maintenance be
recorded.
7-19
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24. DRIVE AXLE SERVICE? - Check readfront axle fluid level and
add
as needed. Check constant velocity joints and axle seals for
leaking.
0
0
0
0
Locking differential - Drain fluid at first oil change and refill.
Check fluid level and add
as needed at subsequent oil changes. In
dusty areas, or trailer towing applications drain fluid at every
15,000 miles (24 135 kilometers) and refill.
Standard differential - Check fluid level and add as needed at
every
oil change. In dusty areas, or trailer towing applications,
drain fluid every
15,000 miles (24 I35 kilometers) and refill.
More frequent lubrication may be required on heavy-duty or
off-road use.
3500 HD Models - 3500 HD Models with applications requiring
extreme overload/trdiler tow conditions
and high speed conditions
(above 45 mph (72
kdh)) for extended periods of time must
change drive axle fluid every
3,000 miles (4828 kilometers) or 3
months, whichever comes first, OR must use 75W-140 synthetic
fluid meeting
GM specifications. See “Recommended Fluids and
Lubricants” at the end of this section for the proper fluid to use.
25.
BRAKE SYSTEM INSPECTION-f - When the engine oil is
changed, inspect the lines and hoses for proper hookup, binding, leaks,
cracks, chafing, etc. Check the parking brake adjust, and the fluid level
in the master cylinder. A low fluid level can indicate worn disc brake
pads which may need
to be serviced.
When the wheels are removed for rotation, inspect disc brake pads for
wear and rotors for surfxe condition. Also inspect drum brake linings
for wear and cracks. Inspect other brake parts, including drums, wheel
cylinders, parking brake, etc., at the same time. Remove any
rust or dirt
from the wheel and mounting surfaces before mounting the wheel.
Inspect brakes more often if driving habits or conditions result in
frequent braking.
?A fluid loss in these systems may indicate a problem. Have them
inspected and repaired at once.
7-22
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Index
A
Aircleaner ..................................................... 6-29
Air Conditioning
............................................ 3.5. 6.S0
Aircontrols
.................................................. 3-7
Low Refrigerant Change Detection
................................ 3-8
Refrigerant Capacity
...................................... 3.97, 6.94
SystemControls
............................................... 3-6
Antenna, FixedMast
............................................. 3-18
Anti-Lock Brakes (See “Brakes”)
Appearancecare
................................................ 6-80
Materials Chart ............................................... 6-87
Arbitration Program
............................................... 8-3
Audiosystems
................................................... 3-9
AMRadio ................................................... 3-10
AM-FM Stereo Audio System with Cassette Deck ................... 3-12
AM-FM Stereo Audio System with Cassette Deck and Equalizer ........ 3-16
Cassette Deck
................................................ 3-14
Cassette Tape Player Care
....................................... 3-30
Automatic Transmission
.......................................... 2-21
Fluid
....................................................... 6-30
Axle Front
....................................................... 6-37
Front Locking Feature
.......................................... 2-36
Rear
........................................................ 6-39
RearLocking
.................................................. 6-39
Battery
........................................................ 6-52
Belts (See “Safety Belts”)
Better Business Bureau Mediation
.................................... 8-3
Blizzard ....................................................... 4-35
Brakes
Anti-Lock
.................................................... 4-6
Fluid
....................................................... 6-47
Leakcheck
.................................................. 6-47
Master Cylinder
.............................................. 6-46
Parking
..................................................... 2-28
PedalTravel ................................................. 6-48
Replacing Parts
............................................... 6-49
System Warning Light
......................................... 2-70
Trailer
...................................................... 441
In Emergencies ................................................ 4-7
Break-In, New Vehicle
........................................... 2- IO
Bulb Replacement ............................................... 6-97
Replacement Chart
............................................ 6-97
Braking
......................................................... 4-5
1 ProCarManuals.com

Driving (continued) AtNight
............................................... 4-24. 4.38
BackingUp
.................................................. 4-42
Defensive
.................................................... 4-2
Downhill
.................................................... 4-19
Freeway
...................................................... 4-29
Highway Hypnosis
............................................ 4-30
Hydroplaning
................................................ 4-27
InBlizzard
................................................... 4-35
InCity
...................................................... 4-28
InRain
...................................................... 4-26
In Sand, Mud, Ice, Or Snow
........................... 2-15,4-22, 5-40
InWater
..................................................... 4-23
Nightvision
................................................. 4-25
Off-Roading
................................................. 4-13
OnGrades
................................................... 4-43
On Hill and Mountain Roads .................................... 4-31
On Off-Road Hills
............................................ 4-16
On Snow or Ice
..................................... 2-15,433, 4-55
Skidding
.................................................... 4-12
Stuck in Deep Snow
...................................... 4-40, 5-40
Throughwater
.......................................... 2-15, 4-23
Uphill
...................................................... 4-17
Winter
...................................................... 4-33
WithaTrailer
................................................ 4-41
DrunkenDriving ................................................. 4-2
E
Electronic Heating/Air Conditioning (See “Heating”) Engine Adding Coolant
..................................... 5.14.5.17. 6-41
Coolant (Block) Heater
................................ 2.19.3-4. 6.23
Cold Weather Starting (Diesel)
................................... 2-17
Coolant
...................................... 5.13.5.20.6-92. 6.98
Coolant Temperature Gage
...................................... 2-79
Diesel
.................................................. 2.16. 6-5
Crankcase .............................................. 2.96. 6.93
Exhaust
................................................ 2.33. 6.64
FanNoise
................................................... 5-25
Identification
................................................. 6-89
Oil (See “Oil”)
RunningWhileParked
......................................... 2-33
Aircleaner
.................................................. 6-29
Noise Control System
.......................................... 6-16
Overheating
.................................................. 5-11
starting ................................................ 2.12. 2.16
Equipment. Add-on
............................................. 6-68
Exhaustsystem
............................................ 2.33. 6-64
3
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F
FanNoise ...................................................... 5-25
Filter Replacement Chart
.......................................... 6-94
Finish Care
........................................................ 6-85
Damage
..................................................... 6-86
Automatic Transmission
........................................ 6-30
Brake
....................................................... 647
Coolant
..................................................... 5-17
Capacities .............................................. 6-92, 6-93
FrontAxle
................................................... 6-37
Hydraulicclutch
.............................................. 6-35
LeakCheck
............................................. 6-47. 6-51
ManualTransmission .......................................... 6-33
Power Steering
............................................... 6-43
Radiator
..................................................... 5-17
Rear Axle ................................................... 6-39
Recommended Fluids
.......................................... 7-25
Transfer Case
................................................ 6-36
Windshield Washer
............................................ 6-45
Four-WheelDrive ............................................... 244
Transfer Case
........................................... 2-35, 6-36
Front Axle ................................................... 6-37
Fuel (Diesel Engines)
............................................. 6-11
Cold Weather Operation ......................................... 6-6
Filter Replacement ............................................ 6-11
Fuel Requirements ............................................. 6-4
Gage
....................................................... 2-78
RunningOutOf
.............................................. 6-10
Tankcapacity ................................................ 6-93
WaterinFuel
................................................. 2-71
Fuel (Gasoline Engines)
............................................ 6-4
FillingYourTank
............................................. 6-13
Foreign Countries
............................................. 6-12
Gage
....................................................... 2-78
Gasolines for Cleaner Air
........................................ 6-5
Tankcapacity
................................................ 6-93
Fuses and Circuit Breakers
................................... 6-64. 6-96
FuseBlock ............................................. 6-63, 6-95
Headlights
.............................................. 6-62-6-97
Trailer Wiring Harness
......................................... 6-62
Windshield Wipers
....................................... 6-45, 6-96
Fluid
Power Windows and Other
Power Options ......................... 6-62
Gages ......................................................... 2-78
Coolant Temperature Gage
...................................... 2-79
FuelGage
................................................... 2-78
Odometer
................................................... 2-68
Oil Pressure Gage ............................................. 2-80
Speedometer
................................................. 2-68
4
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M
Maintenance OtherItems
.................................................. 6-49
Periodic Inspections
........................................... 7-24
Record
...................................................... 7-27
Scheduled Maintenance
.................................... 7.3. 7.18
When Towing
a Trailer ......................................... 4-44
Convexoutside ............................................... 2-55
Electric Outside
............................................... 2-54
Inside
....................................................... 2-54
Outside
..................................................... 2-54
Vanity
...................................................... 2-56
ModelReference
.................................................. 111
Underbody .................................................. 6-87
Master Cylinder (See “Brakes”) Mirrors
........................................................ 2-54
...
0
Odometer ...................................................... 2-68
Off-Road Driving (See “Driving”)
Off-RoadRecovery
.............................................. 4-10
Oil (Except Diesel) ............................................... 6-17
Additives
.................................................... 6-23
DisposalofUsed
.............................................. 6-28
Pressure Gage
................................................ 2-80
To(3lheck
.................................................... 6-18
WhatKindtoUse
............................................. 6-19
WhentoAdd
................................................. 6-18
Whentochange
.............................................. 6-28
Oil(Diese1)
..................................................... 6-24
Additives
.................................................... 6-28
DisposalofUsed
.............................................. 6-28
ToCheck
.................................................... 6-25
WhatKindtoUse
............................................. 6-26
WhentoAdd
................................................. 6-28
Whentochange
.............................................. 6-28
Owner Checks and Services ........................................ 7-22
Parking OnHills
..................................................... 4-43
Over Things That
Burn ......................................... 2-32
Torque Lock (Automatic Transmission)
............................ 2-29
Your Vehicle (Manual Transmission)
.............................. 2-32
Passing Other Vehicles
....................................... 4-10. 4-60
Periodic Maintenance Inspections
................................... 7-24
ParkingBrake
................................................... 2-28
7
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I
Service Do-It-Yourself
.......
Parts Identification Label
Publications
..........
Replacement Parts and Fj
Service Engine Soon Light
Service Station Checks
....
11
........................................ 6-3
....................................... 6-90
.................................... 8.6, 8.8
ter Recommendations
..................... 6-94
.................................. 2.74. 6-65
....................................... 7-28
Shift Indicator Light
......................................... 2.26, 2.76
ShiftingIntoPark
................................................ 2-30
Sliding Rear Window
............................................. 2-38
SpareTire
...................................................... 5-29
Pickup Bed Mounting
..................................... 5.31. 5-40
Specification Charts .............................................. 6-91
Speedometer
.................................................... 2-68
Starting your Diesel Engine
........................................ 2-16
Starting your Gasoline Engine
...................................... 2-12
Removal
.................................................... 5-29
Storage
..................................................... 5-39
Steering
........................................................ 4-8
Column Shift Lever
............................................ 2-30
InEmergencies
................................................ 4-9
Console
................................................ 2-59. 2-61
GarageDoorOpener
........................................... 2-61
GloveBox
................................................... 2-58
Other
....................................................... 2-65
SunVisors
..................................................... 2-55
Swing-Outwindows
............................................. 2-38
Storage Compartments
............................................ 2-58
T
Tachometer ..................................................... 2-69
Tailgate
......................................................... 2-8
Theft
........................................................... 2-9
Tiltwheel
...................................................... 2-39
Tires
.......................................................... 6-71
Chains
...................................................... 6-79
Flat
........................................................ 5-26
Balancing
................................................... 6-78
Changing a Flat
.......................................... 5.25, 5.32
Hub CapsNVheel Nut Caps
...................................... 5-32
InspectionRotation
....................................... 6-73. 6-75
Loading
..................................................... 2-39
New
........................................................ 6-76
Pressure
..................................................... 6-71
Spare (See “Spare Tire”)
Underbodycarrier
............................................ 5-29
Uniform Tire Quality Grading
................................... 6-77
TorqueLock
............................................... 2.29. 2.31
Towing
ATrailer
............................................... 4-38. 6.67
Maintenance
................................................. 4-44
Recommendations
............................................. 6-70
Turnsignals
................................................. 4-42
Following Distance
............................................ 4-42
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TrailerBrakes ................................................... 441
Wiring Harness
.......................................... 2-83, 6-63
TraileringPackage
............................................... 6-67
Transfer Case
.............................................. 2-35, 6-37
Transmission
Automatic
................................................... 2-21
Five-Speed Manual
...................................... 2-24, 2-25
Fluid
.................................................. 6-30, 6-33
Fluid, To Add
........................................... 6-33, 6-34
Four-wheel (See “Four-wheel Drive”)
Manual-Shift Speeds
.......................................... 2-27
Torque Lock (Automatic Transmission)
............................ 2-31
Trip Odometer
.................................................. 2-68
Turn Signal/Multifunction Lever
.................................... 2-40
Turn Signal/Lane Change Indicator
.......................... 2-43, 2-86
ShiftLight
................................................... 2-26
Vehicle Damage Warnings
............................................... vii
Identification Number
.......................................... 6-88
Loading
................................................ 4-26, 6-68
Storage
..................................................... 6-52
Symbols .............................................. vu. ~111. IX. x
Ventilation System ................................................ 3-2
AirVents
..................................................... 3-3
Tips
......................................................... 3-2
Voltmeter
...................................................... 2-82
......
Warning and Indicator Lights ....................................... 2-69
Devices. Other
................................................ 5-3
Wheels Alignment and Tire Balance ................................. 6-78
Aluminum
................................................... 6-86
Hub Caps and Wheel Nut Caps .................................. 5-32
NutTorque
.................................................. 6-92
Replacement
................................................. 6-78
Used Replacement
............................................ 6-79
Windows ...................................................... 2-37
SlidingRear
................................................. 2-38
Swing.- Out
.................................................. 2-38
Windshield Washer
.............................................. 2-43
WasherFluid ................................................. 645
Winter Driving
.................................................. 4-33
Wipers, Windshield ......................................... 2-42, 6-96
RiadeInserts
................................................. 6-50
Bladechatter
................................................ 6-84
BladeCleaning
............................................... 6-84
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