Page 262 of 403
Downloaded from www.Manualslib.com manuals search engine A. Battery
B. Air Cleaner
C. Radiator Cap
D. Coolant Recovery Tank
E. Air Filter Restriction Indicator
F. Engine Oil Dipstick
G. Automatic Transmission Dipstick
H. Fan
I. Power Steering Fluid Reservoir
J. Engine Oil Fill
. I '.. t .. L $K. , .,J Brake Fluid Reservoir
L. Windshield Washer Fluid Reservoir
M. Fusemelay Center
N. Storage Compartment
6-9
Page 264 of 403
Downloaded from www.Manualslib.com manuals search engine A. Battery
8. Coolant Recovery’Tank
C. Air Cleaner
D. Radiator Cap
E. Air Filter Restriction Indicator
E Engine Oil Dipstick
G. .Automatic Transmission Dipstick
H. Engine Oil Fill
I. Fan
J. Power Steering Fluid Reservoir
K. Brake Fluid Reservoir
L. Storage Compartment
M. Windshield Washer Fluid Reservoir
N. Fuse/Relay Center
.. 6-11
Page 269 of 403
Downloaded from www.Manualslib.com manuals search engine Air Cleaner
Your air cleaner is located between the battery and
coolant recovery tank. The
air cleaner assembly
has an indicator that lets
you know when the air
filter is dirty and needs
to be serviced.
The indicator is located in the air intake tube between
the air cleaner and the engine. See “Owner Checks and
Services” in the Index on when to check the indicator.
If
the area inside the clear section of the indicator is
green, no air filter service.is required. When the area
inside the indicator is orange and CHANGE AIR
FILTER appears, the filter should be replaced.
Page 270 of 403
Downloaded from www.Manualslib.com manuals search engine To remove the air filter, unhook the retainer clips and
remove the cover. Lift the filter and the connected duct Install the
new filter by pushing it all the way to the stop
on the duct.
Out Of the air housing. the duct and remove Install the duct and the filter into the air cleaner housing.
the filter by both pulling and twisting the filter away
from the duct. Care should be taken to dislodge as little
dirt
as possible. Install the cover and fasten the two retaining clips.
Make
sure that the duct fits properly into the housing.
Clean the filter sealing surfdce of the duct and the
filter housing. After the air filter
is properly serviced, the
indicator
should be reset. Push the button on top
of the indicator
to reset
it to the green (clean) filter zone.
Refer to the Maintenance Schedule to determine when to
replace the air filter.
See “Scheduled Maintenance Services” in the Index.
6-17
Page 271 of 403

Downloaded from www.Manualslib.com manuals search engine A ,CAUTION:
Operating the engine with the air cleaner off can
cause
you or others to be burned. The air cleaner
not only cleans the air, it stops flame
if the engine
backfires.
If it isn’t there, and the engine
backfires, you could be burned. Don’t drive with
it
off, and be careful working on the engine with
the air cleaner off.
I
NOTICE:
If the air cleaner is off, a backfire can cause a
damaging engine fire. And, dirt can easily get
into your engine, which will damage
it. Always
have the air cleaner in place when you’re driving.
Automatic Transmission Fluid
When to Check and Change
A good time to check your automatic transmission fluid
level
is when the engine oil is changed.
Change both the fluid and filter every
50,000 miles
(83 000 Ism) if the vehicle is mainly driven under one
or,more of these conditions:
0 In heavy city traffic where the outside temperature
regularly reaches
90” F (32 O C) or higher.
0 In hilly or mountainous terrain.
0 When doing frequent trailer towing.
0 Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these
conditions, the fluid and filter do not require changing.
See “Scheduled Maintenance Services” in
the Index.
6-18
Page 324 of 403
Downloaded from www.Manualslib.com manuals search engine Normal Maintenance Replacement Parts -- Gasoline Engines
Replacement part numbers listed In this section are based on the latest information available at the time of printing,
and are subject to change.
If a part listed in this manual is not the same as the part used in your .vehicle when it was
built, or
if you have any questions, please contact your GM truck dealer.
Engine
VORTEC” 5700
VIN R Oil Filter PF1218T
Air Cleaner Filter
A 1300C
Spark Plugs * 4 1-932
Spark Plug Gap
0.060 in. (1.52 mm)
Fuel Filter GF626
Wiper Blades. (Front) 22154886
Wiper Blade Type (Front) Trico
Wiper Blade Length (Front) 18 inches
(45.0 cm)
Wiper Blade (Rear) 22154396
Wiper Blade Type (Rear) Trico
Wiper Blade Length (Rear) 14 inches (35.5 cm)
“four-Wheel-Drive Vehicles
-- use a PF52 oil filter.
46VORTEC” 7400
J
PF1218
A1 3OOC
4 1-932
0.060 in. (1.52 mm)
GF626
22154886 Trico
18 inches
(45.0 cm)
22154396
Trico
14 inches (35.5 cm)
Page 370 of 403

Downloaded from www.Manualslib.com manuals search engine At Least Twice a Year
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.
Automatic Transmission Check
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.
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 door, body hood and body door
hinges, rear compartment hinges, 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.
Starter Switch Check
CAUTION:
When you are doing this check, the vehicle could
move suddenly.
If it does, you or others could be
injured. Follow the steps below.
7-43
Page 390 of 403

Downloaded from www.Manualslib.com manuals search engine Section 9 Index
Air Bag ...................................... 1-29
Adding Equipment
............................ 1-34
How Does
it Restrain .......................... 1-32
How it Works
................................ 1-3 1
Location .................................... 1-31
Readiness Light
......................... 1.30. 2.59
What Makes it Inflate
.......................... 1-32
What Will
You See After it Inflates ............... 1-33
When Should
it Inflate ......................... 1-32
Aircleaner
.................................... 6-16
Air Cleaner Filter Restriction Indicator Check
........ 7-43
Air Conditioning
................................ 3-6
Air Conditioning Refrigerants
..................... 6-73
Aluminum Wheels. Cleaning
...................... 6-57
Antenna. Fixed
................................. 3-28
Antifreeze
..................................... 6-25
Anti-Lock Brakes
...................................... 4-6
Brake System Warning Light
................ 2.62. 4.6
Anti.Theft. Radio
.............................. 3-24
Appearance Care
............................... 6-5 1
Servicing ................................... 1-34
Alignment and Balance. Tire
...................... 6-49 Appearance Care
Materials
........................ 6-59
Arbitration Program
.............................. 8-7
Ashtrays
...................................... 2-52
Audio Equipment. Adding
........................ 3-26
Audio Systems
.................................. 3-9
Automatic Transmission
Check
...................................... 7-43
Fluid
....................................... 6-18
Operation
................................... 2-14
Overdrive
................................... 2-16
Park Mechanism Check
........................ 7-45
Shifting
..................................... 2-14
Auxiliary Power Outlet
.......................... 2-53
Axle. Front
........................... ......... 6-23
Axle. Locking Rear
............................. 2-17
Axle. Rear
.................................... 6-22
Battery
...................................... 6-35
Jump Starting
................................. 5-2
Replacement. Keyless Entry
..................... 2-5
BBB Auto Line
................................. 8-7
Better Business Bureau Mediation
.. ................ 8-7
Armrest Storage Compartment
.................... 2-47
Warnings
.................................... 5-2
9-1