service CHEVROLET BLAZER 1994 2.G Workshop Manual

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).
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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
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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
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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
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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
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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

Downloaded from www.Manualslib.com manuals search engine 13. TIRE AND WHEEL ROTATION AND INSPECTION - For
proper wear and maximum tire life, rotate tires at the first
6,000 miles
(10
000 kilometers) for Schedule I or 7,500 miles (12 500 kilometers)
for Schedule I1 and then every 15,000 miles
(25 000 kilometers)
thereafter. Follow the instructions and patterns shown in Section
6.
Check tires for uneven wear or damage. If irregular or premature wear
is apparent, check wheel alignment. Also, check for damaged wheels.
See “Tires” in the Index for more information.
14.
DRIVE AXLE SERVICE - Check readfront axle fluid level and add
as needed. Check constant velocity joints and axle seals for leaking.
Locking Differential - Drain fluid at first oil change and refill.
Check fluid
level and add as needed at subsequent oil changes. In
dusty areas or trailer towing applications, drain fluid at every
15,000 miles (24 135 kilometers) and refill.?
Standard Differential - Check fluid level and add as needed at
every oil change. In dusty areas or trailer towing applications,
drain fluid every
15,000 miles (24 135 kilometers) and refill.?
More frequent lubrication may be required for off-road use.
15. BRAKE SYSTEM INSPECTION - When the engine oil is changed,
inspect the lines and hoses for proper hookup, binding, leaks, cracks,
chafing, etc. Check the parking brake adjustment, and the fluid level in
the master cylinder. A low fluid level can indicate worn disc brake pads
which may need
to be serviced.?
When the wheels are removed for rotation, inspect disc brake pads for
wear and rotors for surface condition. Also inspect drum brake linings
for wear and cracks. Inspect other brake parts, including drums, wheel
cylinders, parking brake, etc. at the same time.
Inspect brakes more often if driving habits or conditions resul\
t in
frequent braking.
.L t A fluid loss in these systems may indicate a problem. Have them inspected
and repaired at once.
7-9

Downloaded from www.Manualslib.com manuals search engine Owner Checks and Services
Listed below are owner checks and services which would be made at the
time period specified to help ensure proper safety, emission performance,
and dependability of your vehicle.
Be sure any necessary repairs are completed at once. Whenever any fluids
or lubricants are added
to your vehicle, make sure they are the proper ones,
as shown in this section.
At Least Once a Month
Tire Inflation Pressure Check - Check the tires for proper inflation. If
they are low, inflate them to the level specified on the Certification label.
See “Inflation-Tire Pressure” in the Index.
At Least Once a Year
Key Lock Cylinder Lubrication - Lubricate key lock cylinders with one
of the lubricants recommended
in this section.
Transmission Neutral or Clutch Start Switch Operation -
1. Before you start, be sure you have enough room around the vehicle.
2. Firmly apply both the manual parking brake, and the regular brake. See
“Brakes” and “Parking Brake” in the Index.
Do not use the accelerator
pedal.
3. Be ready to turn off the engine immediately if it starts.
4. On automatic transmission vehicles, try to start the engine in each gear.
The starter should work
only in “P” (Park) or “N” (Neutral).
On manual transmission vehicles, put the shift lever in “N’ (Neutral),
push the clutch down halfway, and try to start the engine. The starter
should work only when the clutch is pushed down
all the way to the
floor.
7-10

Downloaded from www.Manualslib.com manuals search engine Steering Column Lock Operation - While parked, try to turn the key to
LOCK in each gear shift position.
0 With an automatic transmission, the key should turn to LOCK only
0 With manual shift, the key should turn to LOCK only when you’re in
On vehicles with a key release lever, try to turn the key to
LOCK without
pressing the lever.
The key should turn to LOCK only with the key lever
depressed.
On all vehicles, the key should come out
only in LOCK.
Parking Brake and Transmission
“P’ (Park) Mechanism Operation -
when the gear shift is in “P’ (Park).
“R” (Reverse).
Park on a fairly steep hill, with the vehicle facing downhill. :eping your
foot on the regular brake, set the manual parking brake.
0 To check the parking brake: With the engine running and the
transmission in
“N’ (Neutral), slowly remove foot pressure from the
regular brake pedal.
Do this until the vehicle is held by the parking
brake only.
To check the “P” (Park) mechanism’s holding ability: Apply the regular
brake and shift to
“P” (Park). Release the manual parking brake, then
slowly release the regular brake.
Lap and Shoulder Belts Condition and Operation - Inspect belt system,
including: webbing, buckles, latch plates, retractors, guide loops and
anchors. Have a belt assembly replaced if the webbing has been cut or
otherwise damaged.
Body Lubrication Service - Lubricate all body door hinges including the
endgate, endgate handle pivot points, and endgate mounted spare tire carrier
(if equipped), lubricate the body hood,
fuel door and rear compartment
hinges, latches and locks including interior glove box and console doors,
and any moving seat hardware. Lubricate the hood safety lever pivot and
prop rod pivot. More frequent lubrication may be required when exposed
to
a corrosive environment.
7-11

Downloaded from www.Manualslib.com manuals search engine Periodic Maintenance Inspections
Listed below are inspections and services which should be performed at
least twice a year (for instance, each spring and fall). You should let your
GM dealer’s service department or other qualified service center do these
jobs. Make sure any necessary repairs are completed at once.
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. (On vehicles equipped with
manual steering gear, check for seal leakage). Lubricate the steering linkage.
Accelerator Control System - Lubricate all pivot points with engine oil,
except the
TBI throttle shaft. Do not lubricate the cam pulley. Remove all
external deposits from pulley.
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. 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. See “Engine
Exhaust” in the Index.
Drive Axle Service - Check readfront axle fluid level and add as needed.
Check constant velocity joints and axle seals for leaking.
Transfer Case (four-wheel drive) Inspection? - Every 12 months or at
oil change intervals, check front axle and transfer case and add lubricant
when necessary. Check vent hose at transfer case for kinks and proper
installation. More frequent lubrication may be required
on off-road use.
?A fluid loss in these systems may indicate a problem. Have them inspected
and repaired at once.
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