engine coolant CHEVROLET BLAZER 1993 User Guide

How to Check Lubricant:
PO592
If the level is below the bottom of the filler plug hole, you’ll need to add
some lubricant.
Add enough lubricant to raise the level to the bottom of the
filler
plug hole.
What to Use:
Refer to the Maintenance Schedule to determine what kind of lubricant to
use. See “Recommended Fluids and Lubricants” in the Index.
Engine Coolant
I
PO593
6-25

Service & Appearance Care
The following explains your cooling system and how to add cool\
ant when it is
low.
If you have a problem with engine overheating, see “Engine
Overheating” in the Index.
The proper coolant for your vehicle
will:
Give freezing protection down to -34°F (-37°C).
Give boiling protection up to 258°F (125°C).
Protect against rust and corrosion.
Help keep the proper engine temperature.
Let the warning lights and gages work as they should.
What to Use:
Use a mixture of clean water (preferably distilled), and antifreeze that meets
“GM Specification
6038-M,” which won’t damage aluminum parts. Also use
GM Engine Coolant Supplement (sealer) with a complete coolant change.
If
you use these, you don’t need to add anything else.
Adding only plain water to your cooling system can be dangerous.
I
Plain water, or some other liquid like alcohol, can boil before the \
proper coolant mix will. Your vehicle’s coolant warning system is set
for the proper coolant mix. With plain water or the wrong mix, your
engine could get too hot but you wouldn’t get the overheat \
warning. Your engine could catch fire and you or others could be burned. Us\
e
a 50/50 mix of clean water and a proper antifreeze.
jIi ,yo.w use an improper coolant mix, your engine .coutd overheat andi
badly damaged. The repair cost wouldn’t be covered by your warranty.’ TP~
much water in ;the mix can freeze and crack the engine, radiator, .heater
wre-ad -.other parts.
Some conditions, such as air trapped in the cooling system, can affect the
coolant level in the radiator. Check the coolant level when th\
e engine is cold
and follow the steps under “Adding Coolant” for the prope\
r way to
add
coolant.
.. .. ..
If you have to add coolant mdre than four times a year, have your dealer
check
your cooling system.
6-26

k
NOTICE
f YOU use the proper coolant, you don’t have to add extra inhibitors or
idditives which claim to improve the system. These can be harmful
Adding Coolant
‘1 L
L
L
PO206
To Check Coolant: When your engine is cold, the coolant level should be at
COLD, or a little higher. When your engine is warm, the level shoul\
d be up
to HOT, or a little higher.
To Add Coolant: If you need more coolant, add the proper mix at the
coolant recovery tank.
I CAUTION
4
Turning the radiator pressure cap when the engine and radiator are
hot can allow steam and scalding liquids to blow out and burn you
badly. With the coolant recovery tank, you will almost never have to
add coolant at the radiator. Never turn the radiator pressure
I cap-even a little-when the engine and radiator are hot. I
Add coolant mix at the recovery tank, but be careful not to spill it.
~ ~~
1 CAUTION I
You can be burned if you spill coolant on hot engine parts. Coolant
- b contains ethylene glycol, and it will burn if the engine parts are hot
I enough. Don’t spill coolant on a hot engine. I
6-27

Service & Appearance Care
Radiator Pressure Cap
I
I
-
- K2515
1 NOTICE
four radiator pressure cap is a 15 psi (105 kPa) pressure-type cap and
nust be tightly installed to prevent coolant loss and possible engine
mage from overheating. Be sure the arrows on the cap line up \
with
werffow tube
on the radiator filler neck.
-m recommended.
I
Thermostat
Engine coolant temperature is controlled by a thermostat in the engine coolant
system. The thermostat stops the
flow of coolant through the radiator until the
coolant reaches a preset temperature.
When you replace
your thermostat, an AC@ thermostat is recommended.
6-28

Scheduled Maintenance Services
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 ve\
hicle.
1. ENGINE OIL AND OIL FILTER CHANGE* -ALWAYS USE SG OR
SG/CE QUALITY, ENERGY CONSERVING II OILS OF THE PROPER
VISCOSITY. To determine the preferred viscosity oil for your vehicle’s
engine (e.g. SAE 5W-30 or
10W-30), see “Engine Oil” in the Index.
2. CHASSIS LUBRICATION -Lubricate the front suspension, king pin
bushings, steering linkage, transmission, and transfer case shift\
linkage,
parking brake cable guides, propshaft splines
(2 wheel drive), brake
pedal springs, and clutch pedal springs at the intervals specif\
ied.
If you have a 3500 HD, lubricate the king pins and king pin bushings
every
1,500 miles (2500 km) for Maintenance Schedule 1, or every 3,000
(5000 km) for Maintenance Schedule 2.
Ball joints and king pin bushings should not be lubricated unl\
ess their
temperature is
10°F (-12”C), or higher. When the weather is cold, let
them warm up before lubrication
or they could be damaged.
Also, be sure to check all the vehicle fluid levels at this time.
3.
CLUTCH FORK BALL STUD LUBRICATION -Lubricate the clutch fork
ball stud through the fitting on the clutch housing. Lubricant \
must be
added “sparingly” to the fitting, as only.
0066 Ib. (.003 kg) is required to
lubricate the ball stud surface. Do not add lubricant more often than the
intervals in the Maintenance Charts.
Too much lubricant will damage
the clutch
assembly.
4. ENGINE IDLE SPEED ADJUSTMENT (DIESEL ENGINES)* -Adjust to
the specifications shown on the underhood label. You must use
calibrated test equipment.
5. COOLING SYSTEM SERVICE* -Drain, flush and refill system with new
coolant. 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 i cracked, swollen, or
deteriorated. Tighten all hose clamps (except consrant tension clamps).
Remove debris and clean the outside of the radiator and air c\
onditioning
condenser. Wash the radiator neck.
To ensure proper operation, pressure
test the radiator and cap.
* An Emission Control Service
7-1 8

Scheduled Maintenance Services
Service Station Checks
It is important for you or a service station attendant to perform these
under-hood checks at each fuel
fill.
Check the engine oil level and add if necessary.
Check the engine coolant level in the recovery bottle and add \
if
Check the windshield washer fluid level and add if necessary.
necessary.
See these items in the Index
for information on how to check them.

INDEX
C
Capacities and Specification Charts
......................................... 6-68
Carbon Monoxide
................. 2.7. 2.28.
Cassette Tape Player
Catalytic Converter
...................... 6-45
Certificationnire Label
................. 6-46
Changing a Flat Tire
......... 5.16. 5-20
Chemical Paint Spotting
.............. 6-63
Child Restraints 2.29. 4.55.
4-61
(See “Audio Systems”)
(See “Safety Belts”)
Cigarette LightedAshtrays
........... 2-55
Circuit Breakers (See “Fuses”)
Cleaning Finish Care
................................ 6-61
Glass
.......................................... 6.60
Inside of Vehicle
....................... 6-58
Instrument Panel. Top
............. 6-60
Outside of Vehicle
.................... 6-61
Special Problems
...................... 6-59
Vinyl
or Leather ........................ 6-60
Wheels and Tires
..................... 6-62
Windshield
................................ 6-60
Comfort Controls
............................ 3-2
Console
Floor
.......................................... 2-56
Overhead
.................................... 2.58
Convenience Net
.......................... 2-80
Coolant (See “Engine”)
Cooling System Capacity
............ 6-68
Crankcase Capacity
...................... 6-69
Cruise Control
............................... 2-41
Increase Speed
......................... 2-43
OnHills
........................................ 2-45
Clock
.................................... 3-15
3-18
Passing
...................................... 2-45
Reduce Speed
.......................... 2-44
Resume
..................................... 2-43
Set
.............................................. 2-42
ToGet Out Of
............................. 2-45 Cup Holder
................................... 2-57
Customer Assistance for the
Hearing
or Speech Impaired .... 8-3
Customer Satisfaction Procedure 8-2
D
(Canada Only) ............................... 2-47
Daytime Running Lights
Indicator Light
............... 2.47. 2-73
Dome Lights
................................. 2-48
Doors
............................................... 2-5
Panel
............................................ 2-9
Across an Incline
........... 4-31 . 4-32
After Off-Road Driving
............ 4-34
At Night ..................................... 4-35
Braking
...................................... 4-13
Control
of A Vehicle ................. 4-13
Defensive
..................................... 4-9
Downhill
..................................... 4-30
Freeway
..................................... 4-43
Guidelines
.................................. 4-24
High Beams
.............................. 4-36
Highway Hypnosis
................... 4-46
Hydroplaning
............................. 4-38
In Blizzard
................................. 4-55
In City
....................................... 4-42
In Fog. Mist and Haze .4.40. 4-41
In Rain
............................ 4.37. 4-39
In Sand. Mud. Ice.
Or Snow ..................... 4.33. 5-31
In Water
.................................... 4-34
Long Distance
.......................... 4-44
Loss of Control
........................ 4-23
Night Vision
.............................. 4-35
Off -Roading ............................... 4-24
On Curves
................................. 4-18
On Grades
................................. 4.62
On Hill and Mountain Roads
. 4-47
On Off-Road Hills
.................... 4-27
On Snow
or Ice ....................... 4-53
Passing
............................ 4-21 . 4-61
Locks
............................................ 2-6
Driving
9-2

Skidding ..................................... 4-23
Stuck
in Deep Snow .... 4-56, 5-31
Through Water
............... 2-1 5, 4-34
Uphill
.......................................... 4-28
Winter
........................................ 4-53
With a Trailer
............................ 4-60
Drunken Driving
........................... 4-1 0
E
Electrical System ......................... 6-37
Add-on Equipment
................... 6-67
Engine
Adding Coolant
... 5-1 1, 5-13, 6-27
Air Cleaner
................................ 6-1 6
Block Heater
.......... 2-16, 3-5, 6-16
Computer Command Control
System
..................................... 6-45
Coolant
............................ 6-25, 6-68
Coolant Temperature Gage
...... 2-77
Cooling System
......................... 5-10
Crankcase .................................. 6-69
Exhaust
..................................... 2-28
Fan Noise
.................................. 5-1 6
Identification
................... 6-65, 6-68
Leaving Vehicle While Running
....................... 2-26
Oil (See
“Oil”)
Overheating ................................. 5-8
Running While Parked
............. 2-29
Starting
...................................... 2-1 4
Equipment, Add-on
...................... 6-48
Exhaust System
........................... 6-45
F
Fan Noise ...................................... 5-1 6
Filter Replacement Chart
............ 6-69
Finish
Care
............................................ 6-61
Damage
..................................... 6-62
Automatic Transmission
........... 6-17
Brake
.......................................... 6-32
Fluid Capacities
.................................. 6-68
Coolant
....................................... 5-11
Front Axle ................................. 6-24
Hydraulic
Clutch ....................... 6-21
Leak Check
............................... 6-35
Manual Transmission
............... 6-20
Power Steering
......................... 6-29
Radiator
..................................... 5-13
Rear Axle
.................................. 6-24
Recommended Fluids
.............. 7-25
Transfer Case
............................ 6-23
Windshield Washer
........ 2-40, 6-31
Four-wheel Drive
............... 2-30, 6-23
Transfer Case
................. 2-30, 6-23
Front Axle
..................................... 6-24
Fuel
.................................................. 6-4
Filling Your Tank
......................... 6-6
Foreign Countries
....................... 6-6
Gage
.......................................... 2-76
Gasolines
for Cleaner Air ......... 6-5
Tank Capacity
........................... 6-69
Fuses and Circuit Breakers
.......... 6-43
Fuse Block
................................ 6-44
Headlights
................................. 6-43
Power Windows and
Other Power Options
........... 6-44
Trailer Wiring Harness
............. 6-44
Windshield Wipers
................... 6-44
G
Gages .................................. 2-66, 2-76
Coolant Temperature Gage
..... 2-77
Fuel Gage
.................................. 2-76
Odometer
................................... 2-66
Oil Pressure Gage
.................... 2-78
Speedometer
............................. 2-66
Tachometer
................................ 2-67
Trip Odometer
........................... 2-67
Voltmeter
................. ................. 2-79
Glove Box
..................................... 2-56
9-3