check engine CHEVROLET BLAZER 1997 2.G Service Manual

Downloaded from www.Manualslib.com manuals search engine Return the jack, wheel wrench and wheel blocks to the
proper location
in your vehicle’s rear area. Secure the
items and replace
the jack cover.
I
-
A. Retainer E Wheel Blocks
B. Rubber Band
(Some Models
j
C. Work Gloves
D. Mat
E. Jack Storage Cover
G. Hub Cap Removal
Tool (‘Some Models)
H. Wheel Wrench
I. Jack
J. Jacking Instructions
I A CAUTION:
I
Make sure the tire and carrier are secure.
Driving with the tire or carrier unlatched could
injure pedestrians
or damage the vehicle.
Compact Spare Tire (If Equipped)
Although the compact spare tire was fully inflated when
your vehicle was new,
it can lose air after a time. Check
the inflation pressure regularly. It should be 60 psi
(420 kPa).
After installing the compact spare on your vehicle,
you should stop as
soon as possible and make sure
your spare tire
is correctly inflated. The compact
spare
is made to perform well at speeds up to 65 mph
(105 km/h) for distances up to 3,000 miles (5 000 km),
so you can finish your trip and have your full-size tire
repaired or replaced where
you want. Of course, it’s best
to replace your spare with a full-size tire as soon as you
can. Your spare will last longer and be in good shape in
case you need
it again.
5-35

Downloaded from www.Manualslib.com manuals search engine Section 6 Service and Appearance Care
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 part devoted
to its appearance care.
6-3
6-4
6-5
6-6
6-9 6-
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6- 14
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6-26
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6-26 6-27
Fuel
Fuels in Foreign Countries
Filling Your Tank
Checking Things Under the Hood
Engine Oil
Air Cleaner
Automatic Transmission Fluid
Manual Transmission Fluid
Hydraulic Clutch
Rear Axle
Four-wheel Drive and All-Wheel Drive
Engine Coolant Radiator Pressure Cap
Thermostat Power Steering Fluid
Windshield Washer Fluid 6-28
6-32
6-3 3 6-3 8
6-40 6-49
6-49
6-52
6-54
6-5
7
6-5 8
6-58
6-58
6-62
6-63
6-64
Brakes
Battery
Bulb Replacement
Windshield Wiper Blade Replacement
Tires
Appearance Care
Cleaning the Inside
of Your Vehicle
Care
of Safety Belts
Cleaning the Outside of Your Vehicle
Appearance Care Materials Chart
Vehicle Identification Number
(VIN)
Service Parts Identification Label
Electrical System
Replacement Bulbs
Capacities and Specifications
Air Conditioning Refrigerants

Downloaded from www.Manualslib.com manuals search engine Adding Equipment to the Outside of
Your Vehicle
Things you might add to the outside of your vehicle can
affect the airflow around
it. This may cause wind noise
and affect windshield washer performance. Check with
your
GM dealer before adding equipment to the outside
of your vehicle.
Fuel
Use regular unleaded gasoline rated at 87 octane or
higher.
At a minimum, it should meet specifications
ASTM
D48 14 in the United States and CGSB 3.5-M93
in Canada. Improved gasoline specifications have been
developed by the American Automobile Manufacturers
Association
( AAMA) for better vehicle performance
and engine protection. Gasolines meeting the AAMA
specification
could provide improved driveability and
emission
control system protection compared to
other ga~)l i nes.
Be SCII-~ the pos~cl octane is at least 87. If the octane is
less than 87. you ma, gct a heavy knocking noise when
YOLI driirc. If’ it‘ hac1 crlough. it can damage your engine. If
you’re using fuel rated at
87 octane or higher and you
still hear heavy knocking, your engine needs service.
But don’t worry if you hear a little pinging noise when
you’re accelerating or driving up a hill. That’s normal,
and
you don’t have to buy a higher octane fuel to get rid
of pinging. It’s the heavy, constant knock that means
you have a problem.
If your vehicle
is certified to meet California Emission
Standards (indicated on the underhood tune-up label),
it
is designed to operate on fuels that meet California
specifications. If such fuels are
not available in states
adopting California emissions standards, your vehicle
will operate satisfactorily
on fuels meeting federal
specifications, but emission control system performance
may be affected. The malfunction indicator lamp
on
your instrument panel may turn on and/or your vehicle
may fail a smog-check test.
If this occurs, return to your
authorized GM dealer for diagnosis to determine the
cause of failure.
In the event it is determined that the
cause of the condition is the type of fuels used, repairs
may
not be covered by your warranty.
6-3

Downloaded from www.Manualslib.com manuals search engine Some gasolines that are not reformulated for low
emissions contain an octane-enhancing additive called
methylcyclopentadienyl manganese tricarbonyl
(MMT);
ask your service station operator whether or not his fuel
contains MMT. General Motors does not recommend the
use of such gasolines.
If fuels containing MMT are used,
spark plug life may be reduced and your emission
control system performance may be affected. The
malfunction indicator lamp
on your instrument panel
may turn on.
If this occurs, return to your authorized
GM dealer for service.
To provide cleaner air, all gasolines in the United States
are now required to contain additives that will help
prevent deposits from forming in your engine and fuel
system, allowing your emission control system to
function properly. Therefore, you should not have to add
anything to
the fuel. In addition, gasolines containing
oxygenates, such as ethers and ethanol. and
reformulated gasolines may be available
in your area to
help clean the air. General Motors recommends that you
use these gasolines if they comply with the
specifications described earlier.
I NOTICE:
Your vehicle was not designed for fuel that
contains methanol. Don’t
use it. It can corrode
metal parts
in your fuel system and also damage
plastic and rubber parts. That damage wouldn’t
be covered under your warranty.
Fuels in Foreign Countries
If you plan on driving in another country outside the United
States or Canada. the proper fuel may be hard
to find. Never
use leaded gasoline or any other fuei
not recommended in the
previous text on fuel. Costly repairs caused
by use of
improper fuel wouldn’t be covered by your warranty.
To check
on fuel availability, ask an auto club. or
contact a major oil company that does business
in the
country where
you’ll be driving.
You can also write us at the following address for
advice. Just tell us where you’re going and give your
Vehicle Identification
Number (VTN).
General Motors International Product Center
1908 Colonel Sam Drive
Oshawa. Ontario
L 1 H 8P7
6-4

Downloaded from www.Manualslib.com manuals search engine Be careful not to spill gasoline. Clean gasoline from
painted surfaces as soon as possible. See "Cleaning the
Outside
of Your Vehicle" in the Index.
When you
put the cap back on, turn it to the right
(clockwise)
until you hear a clicking sound. Make sure
you fully install the cap. The diagnostic system can
determine
if the fuel cap has been left off or improperly
installed. This would allow fuel
to evaporate into the
atmosphere. See "Malfunction Indicator Lamp"
in
the Index.
NOTICE:
If you need a new cap, be sure to get the right
type. Your dealer
can get one for you. If you get
the wrong type, it may not
fit properly. This may
cause your malfunction indicator lamp to light and your fuel tank and emissions system may be
damaged. See "Malfunction Indicator Lamp"
in
the Index.
Checking Things Under the Hood
1
To open the hood, first pull
the handle inside the vehicle
on the lower driver's side of
the instrument panel.
Then
go to the front of the vehicle and release the
secondary hood release.
6-6

Downloaded from www.Manualslib.com manuals search engine Before closing the hood, be sure all the filler caps are on
properly. Then lift the hood to relieve pressure on the
hood prop.
Remove
the hood prop from the slot in the hood and
return the prop
to its retainer.
Checking Engine Oil
Pull out the dipstick and clean it with a paper towel or
cloth,
then push it back in all the way. Remove it again,
keeping the tip down, and check the level.
Then just pull the hood down firmly
to close. It will
latch when dropped from
10 to12 inches (25 to 30 cm)
without pressing on the hood.
Engine Oil
It’s a good idea to check your engine oil every time you
get fuel. In order to get an accurate reading, the oil must
be warm and the vehicle must be on level ground.
The oil dipstick
is a
yellow ring.
Turn off the engine and give
the oil a few minutes to
drain back into
the oil pan.
If
you don’t, the oil dipstick
might
not show the
actual level.
6-9

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.
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
(53 000 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 higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
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.
6-14

Downloaded from www.Manualslib.com manuals search engine How to Check
Because this operation can be a little difficult, you may
choose
to have this done at your GM dealership
Service Department.
If
you do it yourself, be sure to follow all the
instructions here, or
you could get a false reading
on
the dipstick.
NOTICE:
Too much or too little fluid can damage your
transmission.
Too much can mean that some of
~ the fluid could come out and fall on hot engine
parts
or exhaust system parts, starting a fire. Be
' sure to get an accurate reading if you check your
transmission fluid.
Wait at least 30 minutes before checking the
transmission
fluid level if you have been driving:
0 When outside temperatures are above 90°F (32°C).
At high speed for quite a while.
In heavy traffic -- especially in hot weather.
0 While pulling a trailer.
To get the right reading, the fluid should be at normal
operating temperature, which is
180°F to 200°F (83OC
to 93°C).
Checking Transmission Fluid Hot
Get the vehicle warmed up by driving about 15 miles
(24 km) when outside temperatures are above 50°F
(IOOC). If it's colder than 50°F (IOOC), drive the
vehicle
in DRIVE (D) until the engine temperature gage
moves and then remains steady for
10 minutes. Then
follow the hot check procedures.
6-15

Downloaded from www.Manualslib.com manuals search engine Checking Transmission Fluid Cold
A cold check is made after the vehicle has been sitting
for eight hours or more with
the engine off and is used
only as a reference. Let the engine run at idle for five
minutes
if outside temperatures are 50°F ( 10°C) or
more.
If it's colder than 50°F (IOOC), you may have to
idle the engine longer. Should the fluid level be low
during
a cold check. you mrrst perform a hot check
before adding fluid. This
will give you a more accurate
reading
of the fluid level.
Checking the Fluid Hot or Cold
0 Park your \.tthicle on a level place. Keep the
engine
running.
0 With the parking brake applied. place the shift lever
in PARK (P).
Then, without shutting off the engine, follow these steps:
1. Flip the handle up and then pull out the dipstick and
wipe
it with a clean rag or paper towel.
2. Push it back in all the way, wait three seconds and
then
p~dl it back out again.
6-16

Downloaded from www.Manualslib.com manuals search engine How to Add Fluid
Refer to the Maintenance Schedule to determine what
kind
of transmission fluid to use. See “Recommended
Fluids and Lubricants”
in the Index.
Add fluid
only after checking the transmission fluid
HOT. (A COLD check is used only as a reference.) If
the fluid level is low, add only enough of the proper
fluid
to bring the level up to the HOT area for a hot
check. it doesn’t take much fluid, generally less than
one pint
(0.5 L). Don’t overfill.
3. Check both sides of the dipstick, and read the lower
level. The fluid level must be in the
COLD area for a
cold check
or in the HOT area or cross-hatched area
for
a hot check.
4. If the fluid level is in the acceptable range, push the
dipstick back in all the way; then flip the handle
down
to lock the dipstick in place.
I NOTICE:
~ ~~ ~
We recommend you use only fluid labeled
DEXRON@-111, because fluid with that label is
made especially for your automatic transmission.
Damage caused by fluid other than
DEXRON-111
is not covered by your new vehicle warranty.
After adding fluid, recheck the fluid level as
described under “How to Check.”
When the correct fluid level is obtained, push the
dipstick back in all the
way; then flip the handle
down
to lock the dipstick in place.
6-17