1994 CHEVROLET BLAZER service

Downloaded from www.Manualslib.com manuals search engine Scheduled Maintenance Services
Section
This section covers the maintenance required for your vehicle . Your vehicle
needs these services to retain its safety. dependability. and emission control
performance
.
A Word About Maintenance .................................. 7-2
Your Vehicle and the Environment ............................. 7-2
Scheduled Maintenance Services
............................... 7-3
Selecting The Proper Maintenance Schedule
................... 7-3
Maintenance Schedule
I ................................ 7-4
Maintenance Schedule
I1 ................................ 7-6
Explanation
of Scheduled Maintenance Services ................ 7-7
Owner Checks and Services
.................................. 7-10
At Least Once a Month
................................... 7-10
At Least Once a Year .................................... 7-10
Periodic Maintenance Inspections
............................. 7-12
Recommended Fluids
& Lubricants ........................... 7-13
Maintenance Record
....................................... 7-16
Service Station Checks
..................................... 7-17
~ protection
Plan
Have you purchased the GM Protection Plan? The Plan supplements
your new vehicle warranties
. See your Vehicle dealer for details .
7-1

Downloaded from www.Manualslib.com manuals search engine A Word About Maintenance
We at General Motors want to help you keep your vehicle in good working
condition. But we don’t know exactly how you’ll drive it. You may drive
very short distances only a few times a week. Or you may drive long
distances all the time in very hot, dusty weather. You may use your vehicle
in making deliveries. Or you may drive it to work, to
do errands, or in many
other ways.
Because of all the different ways people use their GM vehicles, maintenance
needs vary. You may even need more frequent checks and replacements than
you will find in the schedules in this section.
So please read this section and
note how you drive. If you have any questions on how to keep your vehicle
in good condition, see your GM dealer, the place many GM owners choose
to have their maintenance work done. Your dealer can be relied upon
to use
proper parts and practices.
Your Vehicle And The Environment
Proper vehicle maintenance not only helps keep your vehicle in good
working condition, but it also helps the environment. All recommended
maintenance procedures are important. Improper vehicle maintenance or the
removal of important components can significantly affect the quality of the
air
we breathe. Improper fluid levels or even the wrong tire inflation can
increase the level of emissions from your vehicle. To help protect our
environment, and to help keep your vehicle in good condition, please
maintain your vehicle properly.
If you are skilled enough to do some work on your vehicle, you will
probably want to get the service information GM publishes. You will find a
list of publications and how to get them in Section
8, Customer Assistance
Information.
See “Service Publications” in the Index.
The Maintenance Record provides a place for you
to record the maintenance
performed on your vehicle. Whenever any maintenance is performed, be
sure to write it down in this section. This will help you determine when your
next maintenance should be done. In addition, it is a
good idea to keep your
maintenance receipts. They may be needed to qualify your vehicle for
warranty repairs.
7-2

Downloaded from www.Manualslib.com manuals search engine This part tells you the maintenance services you should have done and when
you should schedule them. Your GM dealer knows your vehicle best and
wants you to be happy
with it. If you go to your dealer for all your service
needs, you’ll know that GM-trained and supported service people
will
perform the work using genuine GM parts.
These schedules are for vehicles that:
carry passengers and cargo within the recommended limits. You will
find these limits on your vehicle’s Certification Label. See “Loading
Your Vehicle” in the Index.
are driven on regular road surfaces, and within legal driving limits, as
described in Section
4, Your Driving and the Road.
are driven off-road in the recommended manner. See “Off Road
Driving With Your Four-wheel Drive Vehicle”
in the Index.
use the proper fuel. See “Fuel” in the Index.
Selecting The Proper Maintenance Schedule
Your driving conditions and how you use your vehicle will help you
determine which schedule to use. The schedules are found later
in this
section.
MAINTENANCE SCHEDULE I
Is any one of these true for your vehicle?
Most trips are less than 4 miles (6 kilometers).
Most trips are less than 10 miles (1 6 kilometers) and the outside
The engine is at low speed most of the time (as in stop-and-go traffic,
temperatures
are below freezing.
door-to-door delivery, or other commercial uses).
You operate in dusty areas or off-road frequently.
You tow a trailer.
If any one
(or more) of these is true for your driving, follow Schedule I. The
chart for Schedule
I has plus signs (+).
MAINTENANCE SCHEDULE I1
Follow Schedule I1 ONLY if none of the above conditions are true. The
chart for Schedule
I1 has dots (0).
7-3

Downloaded from www.Manualslib.com manuals search engine MAINTENANCE SCHEDULE I
* An Emission Control Service
** See “Explanation of Scheduled Maintenance Services” in the Index
$ The California Air Resources Board has determined that the fail\
ure to perform this
maintenance item will not nullify the emission warranty or limi\
t recall liability prior to the
completion of vehicle useful life. General Motors, however, urges that all re\
commended
maintenance services be performed at the indicated intervals and\
the maintenance be
recorded.
T0801TT1101
7-4

Downloaded from www.Manualslib.com manuals search engine MAINTENANCE SCHEDULE I (continued)
THE SERVICES SHOWN ON THIS CHART UP TO 60,000 MILES (100 000 km) ARE TO BE
DONE AFTER 60,000 MILES AT THE SAME INTERVALS.
T0802R1102
7-5

Downloaded from www.Manualslib.com manuals search engine MAINTENANCE SCHEDULE /I
llf your driving conditions meet tho:
Item Ithis
Section (or see Index), use M;
Miles
(000)
Service
Oil Filter Change*-Every 12 Months, or
3 Cooling System Service* -Every 24 Months or
4 Air Cleaner Filter Replacement*
5 Front Wheel Bearing Repack (2WD Only)
6 Transmission Service
**
7 Fuel Filter Replacement*$
8 Spark Plug Replacement*
9 Spark Plug Wire Inspection*
10 Engine Timing Check*$ (Some
11 Fuel Tank, Cap and Lines Models)
Inspection*$
12 Engine Accessory Drive Belt
I Inspection*
13
I Tire and Wheel Rotation
14
I Drive Axle Service
15
I Brake Systems Inspection**
3 specified in “Scheduled Maintc
lntenance Schedule
II (0)
lance Services” in
* An Emission Control service
** See “Explanation of Scheduled Maintenance Services” in the Index
$ The California Air Resources Board has determined that the fail\
ure to perform this
maintenance item will not nullify the emission warranty
or limit recall liability prior to the
completion of vehicle useful life. General Motors, however, urges that all re\
commended
maintenance services be performed at the indicated intervals and\
the maintenance be
recorded.
THE SERVICES SHOWN ON THIS CHART
UP TO 60,000 MILES (100 000 km) ARE TO BE
DONE AFTER
60,000 MILES AT THE SAME INTERVALS.
T0803/Tl103
7-6

Downloaded from www.Manualslib.com manuals search engine Explanation Of Scheduled Maintenance Services
Below are explanations of the services listed in the maintenance charts.
The proper fluids and lubricants to use are listed in this section. Make sure
whoever services your vehicle
uses these. All parts should be replaced and
all necessary repairs done before you or anyone else drives the vehicle.
1.
2.
3.
4.
5.
ENGINE OIL AND OIL FILTER CHANGE* - ALWAYS USE
API SERVICE SH OR SG ENERGY CONSERVING I1 OILS OF THE
PROPER VISCOSITY. The “SH” or “SG” designation may be shown
alone or in combination with others, such as “SHKD”, or
“SH, SG,
CD,” or “SG/CD”, etc.
To determine the preferred viscosity oil for your
vehicle’s engine (e.g. SAE
5W-30), see “Engine Oil” in the Index.
CHASSIS LUBRICATION - Lubricate the front suspension, ball
joint, steering linkage, and transfer case shift linkage, parking brake
cable guides, propshaft splines, universal joints, brake pedal springs,
and clutch pedal springs at the intervals specified on the proper
maintenance schedule, or at every engine oil change, whichever comes
first.
Ball joints should
not be lubricated unless their temperature is 10°F
(-12°C) or higher. When the weather is cold, let them warm up before
lubricating them
or they could be damaged.
Also, be sure to check all the vehicle fluid levels at this time.
COOLING SYSTEM SERVICE* - Drain, flush and refill the
system with new or approved recycled coolant conforming to “GM
Specification
603%”’. See “Engine Coolant” in the Index for the
proper coolant and mixture to use in your vehicle.
Also inspect
the hoses and replace them if they are cracked, swollen, or
deteriorated. Clean the outside of the radiator and air conditioning
condenser. Wash the radiator neck. To ensure proper operation,
pressure test the radiator and cap.
AIR CLEANER FILTER REPLACEMENT” - Replace at
specified intervals. Ask your dealer for the proper replacement
intervals for your driving conditions.
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.
*An Emission Control Service
7-7

Downloaded from www.Manualslib.com manuals search engine 6.
7.
8.
9.
10. 11.
12.
TRANSMISSION SERVICE:
Automatic Transmission
- Change the transmission fluid and filter
every 15,000 miles
(25 000 km) if the vehicle is mainly driven under
one or more of these conditions:
In heavy city traffic.
Where the outside temperature regularly reaches 90°F (32” C) or
In hilly or mountainous terrain.
Frequent trailer pulling.
0 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). See “Automatic
Transmission Fluid”
in the Index for more information.
Manual Transmission - Transmission fluid does not require periodic
changing.
FUEL FILTER REPLACEMENT* $- Replace the fuel filter at the
specified interval or sooner
if clogged.
SPARK PLUG REPLACEMENT* - Replace spark plugs with the
type listed in Section 6. See “Specification Charts” in the Index.
SPARK PLUG WIRE INSPECTION* - Clean wires and inspect
for burns, cracks or other damage. Check the wire boot fit
at the
distributor and at the spark plugs. Replace wires as needed.
ENGINE TIMING CHECK AND DISTRIBUTOR CHECK*$ -
Adjust timing to underhood label specifications. Inspect the inside and
outside of the distributor cap and rotor for cracks, carbon tracking and
corrosion. Clean or replace as needed.
FUEL TANK, CAP AND LINES INSPECTION*$ - Inspect the
fuel tank, cap and lines for damage
or leaks. Remove fuel cap, inspect
gasket for an even filler neck imprint, and any damage. Replace parts
as needed.
ENGINE ACCESSORY DRIVE BELT INSPECTION* - Inspect
belt. Look for cracks, fraying, wear, and proper tension. Adjust or
replace as needed.
higher.
*An Emission Control Service
$=The California Air Resources Board has determined that the failure to
perform this maintenance item will not nullify the emission warranty or
limit recall liability prior to the completion of vehicle useful life. General
Motors, however, urges that all recommended maintenance services be
performed at the indicated intervals and the maintenance be recorded.
7-8