1994 GMC SIERRA fuel

USAGE FLUIDLUBRICANT
Propeller Shaft
SplineNniversal Joint Chassis Lubricant (GM Part
No. 12346003 or equivalent) or lubricant
meeting requirements
of NLGI Grade 2,
Category LB
or GC-LB.
Automatic Transmission Shift Engine Oil (GM Part
No. 1050109 or
Linkage, Floor Shift Linkage, equivalent).
Hood and Door Hinges, Body
Door Hinge Pins, Tailgate
Hinge and Linkage, Folding
Seat,
Fuel Door Hinge
Key Lock Cylinders
Chassis Lubrication
Windshield Washer Solvent and Anti-Freeze
Weatherstrip Squeaks
Weatherstrip Conditioning
Outer Tailgate Handle Pivot
Points Engine Oil
(GM Part No. 1050109
or
equivalent) or a synthetic light weight
engine oil (SAE 5W-30).
Chassis Lubricant (GM Part
No. 12346003 or equivalent) or lubricant
meeting requirements of NLGI Grade 2,
Category LB or GC-LB.
GM Optikleen washer solvent (GM Part
No. 105 15 15 or equivalent).
Spray-A-Squeek (GM Part
No.
1052277).
Dielectric Silicone Grease (GM Part No. 12345579 or equivalent).
Multi-Purpose Lubricant (GM Part
No. 12345 120
or equivalent).
7-28
ProCarManuals.com

Service Station Checks
It is important for you or a service station attendant to perform these
under-hood checks at each fuel fill.
Check the engine oil level and add if necessary.
Check the engine coolant level in the recovery bottle and add \
if
necessary.
Check the windshield washer fluid level and add if necessary.
See these items in the Index for information on how to check them.
7-30
ProCarManuals.com

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

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