brake CHEVROLET BLAZER 1996 2.G Repair Manual

Downloaded from www.Manualslib.com manuals search engine Checking Things Under the Hood
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. Lift the hood, release
the hood
prop from its retainer and
put the hood prop into the slot
in the hood. You may
have a
lnnl~ that cn'qes *n when you lift the hood.
.. .: '_* , . . .I.
Things that burn can get on hot engine parts and
start a fire. These include liquids like gasoline,
oil, coolant, brake fluid, windshield washer and
other fluids, and plastic or rubber. You
or others
could be burned. Be careful not to drop or spill
things that
will burn onto a hot engine.
6-7

Downloaded from www.Manualslib.com manuals search engine When you lift the hood, you'll see these items:
A. Transmission Dipstick
B. Engine Oil Fill
C. Brake Master Cylinder
D. Coolant Recovery Tank
E. Engine Oil Dipstick F.
Power Steering Reservoir
G. Battery
H. Air Cleaner
I. Windshield Washer Fluid
6-8

Downloaded from www.Manualslib.com manuals search engine Checking Transmission Fluid T'3t
Get the vehicle warmed up by driving about 15 miles
(24 km) when outside temperatures are above 50°F
(10°C). If it's colder than 50°F ( 10°C), 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.
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 (lO"C), you may have to
idle the engine longer. Should
the fluid level be low
during a cold check, you
must 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 vehicle on a level place. Keep the
engine running.
in
PARK (P).
0 With the parking brake applied, place the shift lever
0 With your foot on the brake pedal, move the shift
lever through each gear range, pausing for about
three seconds in each range. Then, position the shift
lever in
PARK (P).
Let the engine run at idle for three minutes or more.
Then, without shutting
off the engine, follow these steps:
. 3
1. Flip the handle up and then pull out the dipstick and
wipe
it with a clean rag or paper towel.
., . - .. , , . . 6-15

Downloaded from www.Manualslib.com manuals search engine Brakes
Bra.ke Fluid
Your brake master cylinder reservoir is here. It is filled
with
DOT-3 brake fluid.
There are only two reasons why the brake fluid level
in
the reservoir might go down. The first is that the brake
fluid goes down
to an acceptable level during normal
brake lining wear. When new linings are
put in, the fluid
level goes back up. The other reason
is that fluid is
leaking out of the brake system. If it is, you should
have your brake system fixed, si.nce
a leak means that
sooner or later your brakes won’t work well, or won’t
work at all.
So, it isn’t a good idea to “top off’ your brake fluid.
Adding brake fluid won’t correct a leak. If
you add fluid
when your linings are worn,
then you’ll have too much
fluid when
you get new brake linings. You should add
(or remove) brake fluid, as necessary, only when work
is
done on the brake hydraulic system.
I A CAUTION:
If you have too much brake fluid, it can spill
on the engine. The fluid
will burn if the engine
is hot enough. You or others could be burned,
and your vehicle could be damaged. Add brake
fluid only when work is done on the brake
hydraulic system.
Refer to the Maintenance Schedule to determine when to
check your brake fluid. See “Periodic Maintenance
Inspections’’
in the Index.
6-28

Downloaded from www.Manualslib.com manuals search engine Checking Brake Fluid
You can check the brake fluid without taking off the cap.
Just look at the windows on the brake fluid reservoir.
The fluid levels should be above MIN. If they arenrt,
have your brake system checked to see if there is a leak. After work
is done on the brake hydraulic system,
make'sure the levels
are above MIN and below the top
of each window.
What to Add
When you do need brake fluid, use only DOT-3 brake
fluid
-- such as Ddco Supreme 11 @ (GM Part
No. 1052535). Use new brake fluid from a sealed
container only, and always clean the brake fluid
reservoir cap before removing it.
Wit ;he wrong kind of fluid in your brake
system, your brakes may not work well, or they
may not even work at all. This could cause a
crash. Always use the proper brake fluid.
6-29

Downloaded from www.Manualslib.com manuals search engine NOTICE:
a
a
Using the wrong fluid can badly damage
brake system parts. For example, just a few
drops
of mineral-based oil, such as engine
oil, in your brake system can damage brake
system parts
so badly that they’ll have to be
replaced. Don’t let someone put in the
wrong kind of fluid.
If you spill brake fluid on your vehicle’s
painted surfaces, the paint finish can be
damaged. Be careful not to spill brake fluid
on your vehicle.
If you do, wash it off
immediately. See “Appearance Care’’ in
the Index.
Brake Wear
Your vehicle has front disc brakes and rear drum brakes.
Disc brake pads have built-in wear indicators that make a
high-pitched warning sound when
the brake pads are worn
and new pads
are needed. The sound may come and go or
be heard all the time your vehicle is moving (except when
you are pushinq
on the brake pedal firmly).
The brake wear warning sound means that sooner
or later your brakes won’t work well. That could
lead
to an accident. When you hear the brake wear
warning sound, have your vehicle serviced.
NOTICE:
Continuing to drive with worn-out brake pads
could result in costly brake repair.

Downloaded from www.Manualslib.com manuals search engine Some driving conditions or climates may cause a brake
squeal when the brakes are first applied or lightly
applied. This does
not mean something is wrong with
your brakes.
Free movement
of brake calipers and properly torqued
wheel nuts are necessary
to help prevent brake
pulsation. When tires
are rotated, inspect brake calipers
for movement, brake pads for wear, and evenly torque
wheel nuts in the proper sequence to GM Specifications.
Your rear drum brakes don’t have wear indicators, but if
you ever hear a rear brake rubbing noise, have the rear
should be removed and inspected each time the tires are
removed for rotation or changing. When
you have the
front brakes replaced, have the rear brakes inspected, too.
Brake linings should always be replaced as complete
axle sets.
8, brake linings inspected. Also, the rear brake drums
Brake Pedal Travel
See your dealer if the brake pedal does not return to
normal height, or if there is a rapid increase
in pedal
travel. This could
be a sign of brake trouble.
Brake Adjustment
Every time you make a brake stop, your disc brakes
adjust for wear.
If your brake pedal goes down farther than normal, your
rear drum brakes may need adjustment. Adjust them by
backing up and firmly applying the brakes
a few times.
Replacing Brake System Parts
The braking system on a modern vehicle is complex.
Its many parts have to be of top quality and work well
together if the vehicle is to have really good braking.
Vehicles we design and
test have top-quality GM brake
parts in them, as your vehicle does when it is new. When
you replace parts of your braking system -- for example,
when your brake linings wear down and
you have to
have new ones put in
-- be sure you get new genuine
GM replacement parts.
If you don’t, your brakes may no
longer work properly. For example, if someone puts in
brake linings that are wrong for your vehicle, the balance
between your front and rear brakes can change
-- for the
worse. The braking performance you’ve come to expect
can change in many other ways if someone puts in the
wrong replacement brake parts.
6-31

Downloaded from www.Manualslib.com manuals search engine Each new wheel should have the same load carrying
capacity, diameter, width, offset and be mounted the
same way as the one
it replaces.
If you need to replace any of your wheels, wheel bolts
or wheel nuts, replace them only
with new GM original
equipment parts. This way, you
will be sure to have the
right wheel, wheel bolts and wheel nuts for your model.
Using the wrong replacement wheels, wheel bolts
or wheel nuts on your vehicle can be dangerous.
It could affect the braking and handling of your
vehicle, make your tires lose air and make you
lose control. You could have
a collision in which
you or others could be injured. Always use the
correct wheel, wheel bolts and wheel nuts
for replacement.
NOTICE:
The wrong wheel can also cause problems with
bearing life, brake cooling, speedometer/odometer
calibration, headlamp aim, bumper height, vehicle
ground clearance and tire or tire chain clearance
to the body and chassis.
See “Changing a Flat Tire”
in the Index for
more information.
Used Replacement Wheels
Putting
a used wheel on wr vehicle is
dangerous. You can’t know how it’s been used
or
how many miles it’s been driven. It could fail
suddenly and cause an accident.
If you have to
replace a wheel, use a new
GM original
equipment wheel.
6-47

Downloaded from www.Manualslib.com manuals search engine FuseKircuit Usage
Breaker
5
7
8
9
10
11
Oxygen Sensor Heater, Exhaust Gas
Recirculation, Cam Sensor, CANN.
Purge, MAS
Blower Motor, Temperature Door
Motor, HI Blower Relay Coil
Power Auxiliary Outlets, Assembly
Line Diagnostic Link
Rear Window Defogger
PCMNCM Battery, ABS Battery
PCMNCM Ignition, Injectors, Crank
Sensor, Coil Driver Module
Radio, Inside Rearview Mirror Map
Lamp, Overhead Console Reading
Lamps, Rear Wiper, Rear Washer,
Overhead Console Display
12 DRAC, Anti-Lock Braking System, VCM IGN-3
13
14
Clock, Radio, Battery, CD Player
A/C Compressor Battery Feed
FuseKircuit Usage
Breaker
15
16
17
19
20
21
22 24 Daytime Running Lamps,
Fog Lamps,
Fog Lamp Relay
Turn Signals and Back-up Lamps,
Brake-Transmission Shift Interlock
Solenoid
Windshield Washer, Windshield
Wiper Motor
Electric Shift Transfer Case
Crank Signal, Air Bag System
Cluster Illumination, Radio
Illumination, Heater Lamp, Four-Wheel-Drive Illumination,
Chime Module, Fog Lamp
Illumination, Rear Wiper Switch, Rear
Defog Switch Illumination, Liftglass
Release Switch Illumination,
Overhead Console Illumination
Air Bag System
PRNDL Power, 4L60E Automatic
Transmission
6-61

Downloaded from www.Manualslib.com manuals search engine Maintenance Schedule
I Short TripKity Definition
Follow the Short TripKity Maintenance Schedule if any
one
of these conditions is true for your vehicle:
Most trips are less than 5 to 10 miles (8 to 16 km).
This
is particularly important when outside
temperatures are below freezing.
Most trips include extensive idling (such as frequent
driving
in stop-and-go traffic).
You operate your vehicle in dusty areas or
off-road frequently.
You frequently tow a trailer or use a carrier on top of
If the vehicle is used for delivery service, police, taxi
your vehicle.
or other
commercial application.
One of the reasons you should follow this schedule if
you operate your vehicle under any of these conditions
is that these conditions cause engine
oil to break
down
soonex
Short Trip/City Intervals
Every 3,000 Miles (5 000 km): Engine Oil and Filter
Change (or
3 months, whichever occurs first). Chassis
Lubrication (or
3 months, whichever occurs first). Drive
Axle Service (or
3 months, whichever occurs first).
At 6,000 Miles (10 000 km) -- Then Every
12,000 Miles
(20 000 km): Tire Rotation.
Every 15,000 Miles (25 000 km): Air Cleaner Filter
Inspection, if driving in dusty conditions. Front
Wheel Bearing Repack (2WD only) (or at each brake
relining, whichever occurs first).
Every 30,000 Miles (50 000 km): Air Cleaner Filter
Replacement. Fuel Filter Replacement.
Every 50,000 Miles (83 000 km): Automatic
Transmission Service (severe conditions
only).
Every 60,000 Miles (100 000 km): Engine
Accessory Drive Belt Inspection.
Fuel Tank, Cap
and Lines Inspection.
Every 100,000 Miles (166 000 km): Cooling System
Service (or every
60 months, whichever occurs first).
Spark Plug Wire Inspection. Spark Plug Replacement.
Positive Crankcase Ventilation (PCV) Valve Inspection.
These intervals only summarize maintenance services.
Be sure to follow the complete maintenance schedule
on
the following pages.
7-4