1994 GMC SIERRA engine

Secondary
Hood Release
See Page 6-15.
Fluid
See Page 6-45.
engines, use 87
octane (or higher)
unleaded gasoline
only.
For diesel engines,
use at least
1 D
diesel fuel. For fuel
tank capacity
See Page 6-93.
Cold Tire /
Pressure
See the
Certificationflire
label on the
inside rear edge
of the driver's
door.
See Page 6-65,6-71.
, Battery
Your vehicle's
Delco Freedom
battery never
needs to have water added.
See Page 6-52.
Cooling System
coolant only at
the coolant
recovery tank
(gasoline engine)
or
only at the
coolant surge
tank (diesel engine). The
fluid
level should be at
the COLD mark.
See Page 6-38.
3 Check and add

Transmission
Fluid
See Page 6-30.
- Spare Tire
Pressure
See the
Certificatisnflire
label on the inside
rear edge
of the
driver's door.
See Page 6-71.
7-31
ProCarManuals.com

C
Camper Wiring Harness ........................................... 2-83
Capacities/Specification Charts ..................................... 6-91
CarbonMonoxide
............................................... 2-33
CargoLamp
.................................................... 2-52
Cassette Tape Player (see “Audio Systems”
)
Catalyticconverter .............................................. 6-64
Certificationire Label
........................................... 6-65
Changing a Flat Tire
......................................... 5-26, 5-32
Chemical Paint Spotting
........................................... 6-87
Child Restraints (See “Safety Belts”)
CHMSLFeedWire
.............................................. 2-82
Cigarette LightedAshtrays
..... ................................... 2-52
Circuit Breakers (See “Fuses”)
Cleaning
Finishcare
.................................................. 6-85
Glass
....................................................... 6-84
Insideofvehicle
.............................................. 6-81
Instrumentpanel. Top
.......................................... 6-83
Outsideofvehicle
............................................. 6-84
Special Problems
.............................................. 6-82
VinylorLeather
.............................................. 6-83
Wheels and Tires
.............................................. 6-86
Windshield
.................................................. 6-84
Clock
......................................................... 3-18
AM-FM Stereo Audio System with Cassette Deck
................... 3-11
AM-FM Stereo Audio System with Cassette Deck and Equalizer
... 3-14. 3-18
Conversion to Chassis Cab
........................................ 6-70
Coolant (See “Engine”)
Cooling System Capacity
.......................................... 5-17
Crankcase Capacity
.............................................. 6-93
Increasespeed
............................................... 2-46
CruiseControl
.................................................. 2-44
EraseSpeedMemory .......................................... 2-48
OnHills
..................................................... 2-48
Passing
..................................................... 247
Reducespeed
................................................ 2-47
Resume
..................................................... 2-46
Set
......................................................... 2-45
ToGetOutOf
................................................ 2-48
Customer Assistance for the Hearing or Speech Impaired
................. 8-3
Customer Satisfaction Procedure
..................................... 8-2
Daytime Running Lights (Canada Only)
......................... 2.50, 2.75
Indicator Light
.......................................... 2.50. 2.75
Diesel Fuel (See “Fuel”)
DomeLights
.................................................... 2-51
Doors
.......................................................... 2-7
Locks ........................................................ 2-5
Driving Across an Incline
............................................. 4-21
After Off-Road Driving
........................................ 4-22
2
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
ProCarManuals.com

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
ProCarManuals.com

L
Labels Certificatioflire
.............................................. 6-65
Truck-Camper
............................................... 6-68
Lights
......................................................... 2-70
BrakeSystemWarning
......................................... 2-70
Bulb Replacement
................................... 2-52.6-53. 6-98
Cargo Lamp
............................................ 2.58. 6.60
Charging System Light
......................................... 2-73
Check Gages Light
............................................ 2-75
CHMSL
..................................................... 2-82
DomeLights
................................................. 2-51
Fender
...................................................... 6-58
Front Parking/Turn Signal
....................................... 6-55
GlowPlugsLight
............................................. 2-72
Headlights (See “Headlights”)
Indicator
.................................................... 2-77
Low Coolant Warning
.......................................... 2-73
Malfunction Indicator
..................................... 2.74. 6.66
Reading
..................................................... 2-51
Service Engine
Soon ........................................... 2-74
Service Throttle Soon
.......................................... 2-72
SideMarker
.................................................. 6-58
Rear .................................................... 6-60. 6-61
Replacementchart
............................................ 6-98
RoofMarker
................................................. 6-59
TailgateMarker
................................................ 6-59
Underhood Reel Lamp
......................................... 2-53
WaterInFuel
................................................. 2-71
LoadingYourVehicle
............................................ 6-65
Lubrication
..................................................... 6-51
Accelerator Control System
..................................... 6-51
Body
....................................................... 6-51
Constant Velocity Joints
........................................ 6-51
FrontAxle
................................................... 6-37
Front Shock Absorbers
......................................... 6-49
Front Suspension and Steering Linkage
............................ 6-49
FrontWheelBearings
.......................................... 6-49
TailgateHandle
............................................... 6-52
Hood Latches and Hinge ........................................ 6-51
Hydraulic Clutch Grease Fitting
.................................. 6-35
Lockcylinders
............................................... 6-52
Propeller Shaft Slip Splines
..................................... 6-51
RearAxle ................................................... 6-35
Recommended Lubricants
...................................... 7-25
Transfer Case
................................................ 6-36
Operation
................................................... 249
6
ProCarManuals.com

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
9
ProCarManuals.com