Service & Appearance Care
Section
Here you will find information about the care of your vehicle . This section
begins with service and fuel information. and then it shows how to check
important fluid and lubricant levels
. There is also technical information
about your vehicle. and a section devoted to its appearance care
.
Service ................................................... 6-3
Fuel (Gasoline Engines)
...................................... 6-4
Diesel Fuel Requirements and Fuel System
...................... 6-5
Checking Things Under the Hood
............................. 6-15
HoodRelease
.......................................... 6-15
Cleaning Your Diesel Engine
.............................. 6-16
Noise Control System .................................... 6-16
Engine Oil (Except Diesel)
................................ 6-17
Engine Oil (Diesel Engines)
............................... 6-24
iri
Air Cleaner ............................................ 6-29
Automatic Fluid ........................................ 6-30
ManualFluid
........................................... 6-33
Hydraulic Clutch
........................................ 6-34
RearAxle ............................................. 6-35
mnsfer Case
.......................................... 6-36
FrontAxle
............................................. 6-37
Engine Coolant
......................................... 6-38
Power Steering Fluid
.................................... 6-43
6-1
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NOTICE:
Your surge tank pressure cap is a unique 15 psi (105 kPa)
pressure-type cap for use with surge tank cooling systems only.
It must be tightly installed to prevent coolant
loss and possible
engine damage from overheating. Be sure the arrows on the cap
line up with the top tube
of the coolant surge tank.
Thermostat
Engine coolant temperature is controlled by a thermostat in the engine
coolant system. The thermostat stops
the flow of coolant through the
radiator
until the coolant reaches a preset temperature.
When
you replace your thermostat, an AC" thermostat is recommended.
Power Steering Fluid
NOTICE:
Always turn the engine off before checking or adding power
steering fluid. The power steering pump cap is close to the fan
and other moving parts.
How To Check Power Steering Fluid
Unscrew the cap and
wipe the dipstick
with
a clean rag. Replace
the cap and completely
tighten it. Then
remove the cap again
and
look at the fluid
level on the dipstick.
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When the engine
compartment is
hot, the level
should be at the
FULL mark.
When the engine
compartment
is
cool, the level
should be at the
FULL COLD
mark.
What to Add
Refer to the Maintenance Schedule to determine what kind of fluid to use.
See “Recommended Fluids and Lubricants”
in the Index.
NOTICE:
When adding power steering fluid or making a complete fluid
change, always use the proper fluid. Failure
to use the proper
fluid can cause leaks and damage hoses and seals.
Hydro-Boost Brake System (Hydraulic Pump)
The power steering pump is also used as the Hyrdo-boost pump. Refer to
“Power Steering System”
in this section when checking fluid level or
adding tluid.
6-44
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Steering and Suspension Inspection? - Inspect front and rear suspension
and steering system for damaged, loose
or missing parts, signs of wear or
lack
of lubrication. Inspect power steering lines and hoses for proper
hook-up, binding, leaks, cracks, chafing, etc. Lubricate the steering linkage.
Accelerator Control System - On gasoline engines, lubricate the pivot at
the
TBI throttle lever stud with engine oil. Do not oil any accelerator or
cruise control cables. Replace any cables that have high effort
or excessive
wear.
Exhaust System Inspection - Inspect the complete system including the
three-way catalytic converter. Inspect the body near the exhaust system.
Look for broken, damaged, missing or out-of-position parts,
as well as,
open seams, holes, loose connections or other conditions which could cause
a heat buildup in
the floor pan or could let exhaust fumes seep into the
passenger compartments.
Drive Axle Service? - Check readfront axle fluid level and add as needed.
Check constant velocity joints and axle seals for leaking.
I-- ~ lsfer Case (Four-wheel Drive) Inspection? - Every 12 months or at
oil change intervals, check front axle and transfer case and add lubricant
when necessary. Oil the control lever pivot point and all exposed control
linkage. Check vent hose at transfer case for kinks and proper installation.
More frequent lubrication may be required
on heavy-duty or off-road use.
?'A fluid loss in these systems may indicate a problem. Have them inspected
and repaired at once.
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Recommended Fluids & Lubricants
NOTE: Fluids and lubricants identified below by name, part number or
specification may be obtained from your GM Dealer.
USAGE
Engine Oil - Gasoline
Engines
Engine
Oil - Diesel Engines
Engine Coolant
Hydraulic Clutch System
Hydraulic Brake Systems
Parking Brake Cables
Power Steering System
Automatic Transmission
FLUIDLUBRICANT
API service SH or SG Energy
Conserving I1 oils
of the recommended
viscosity. The
“SH” designation may be
shown alone or
in combination with
others, such
as “SH/CD,” “SH, SG,
CD,”“SG/CD,” etc. To determine the
preferred viscosity for your vehicle’s
engine, see “Engine Oil” in the Index.
API service CF4SH. The
“CF4SH”
designation may be shown alone or in
combination
with others, such as
“CF-4/SG,” “CE/SH” or “CE/SG,” etc.
The designation may
also be listed in
reverse order, such
as “SH/CF-4.” To
determine the preferred viscosity for
your vehicle’s engine, see “Engine Oil”
in the Index.
Mixture
of water and a good quality
ethylene glycol base antifreeze
conforming
to “GM Specification
6038-M” (GM Part No. 1052753)’ or
approved recycled coolant conforming to
“GM Specification
603%”’ with a
complete coolant flush and refill.
Hydraulic Clutch Fluid (GM Part No.
I2345347 or equivalent).
Delco Supreme
11 @ brake fluid (GM
Part No.
1052535 or equivalent DOT-3
brake fluid).
Chassis Lubricant (GM Part No.
I2346003 or equivalent) or lubricant
meeting requirements of NLGI Grade
2,
Category LB or GC-LB.
GM Power Steering Fluid (GM Part
No. 1050017 or equivalent) conforming
to
“GM Specification 99850 10.”
DEXRON~ 111 or DEXRON~ IIE
Automatic Transmission Fluid.
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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
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Power DoorLocks
................................................... 2-6
Steering
...................................................... 4-8
Steering Fluid ................................................ 6-43
Winches ..................................................... 4-36
Power Take-Off (PTO) ........................................... 4-37
Product Service Publications
........................................ 8-6
Radiator Pressure Cap
............................................ 6-42
Radio (see “Audio Systems”)
Recommended Fluids and Lubricants
................................ 7-25
Replacement Parts ............................................... 6-91
Reporting Safety Defects ........................................... 8-5
Roadside Assistance ............................................... 8-5
RockingYourVehicle ............................................ 5-41
Recovery Hooks ................................................. 5-41
Safety Belts
.................................................... 1-10
Adults ...................................................... 1-15
Center Passenger Position ....................................... 1-24
Cleaning
.................................................... 6-84
Checking Restraint System ......................................
Child Restraints ...............................................
Children ....................................................
DriverPosition ...............................................
Extender ....................................................
Lapshoulder .................................................
Large Children ...............................................
Properwear .................................................
Questions and Answers .........................................
Rearseatpassengers ...........................................
ReminderLight ...............................................
Right Front Passenger Position ...................................
Small Children and Babies ......................................
Use During Pregnancy .........................................
SafetyChains ...................................................
Replacing After a Crash ........................................
WhyTheyWork ..............................................
144
1-32
1-30
1-16
1-43
1-16
1-41
1-15
1-14
1-25
1-15
1-44
1-23
1-30
1-23
1-11
4-41
Safety Warnings and Symbols ........................................ vi
Scheduled Maintenance Services
..................................... 7-3
Seats
Controls
...................................................... 1-2
Easy Entry Seat ................................................ 1-6
Latches
.................................................. 1-5, 1-9
ManualFront .................................................. 1-2
PowerDriver’s
................................................ 1-3
Rear ......................................................... 1-8
Reclining ..................................................... 1-3
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