1995 CHEVROLET BLAZER overheating

Downloaded from www.Manualslib.com manuals search engine Table of Contents
Inrroauction - How to Use this Manual
This section tells you how to use your manual and includes safety
and vehicle damage warnings and symbols.
Section 1 - Seats and Restraint Systems
This section tells you how to use your seats and safety belts
properly. It also explains the air bag system.
Section 2 - Features & Controls
This section explains how to start and operate your vehicle.
Section 3 - Comfort Controls & Audio Systems
This section tells you how to adjust the ventilation and comfort
controls and how to operate your audio system.
Section 4 - Your Driving and the Road
Here you’ll find helpful information and tips about the road and \
how
to drive under different conditions.
Section 5 - Problems on the Road
This section tells you what to do if you have a problem while
driving, such as a flat tire or engine overheating, etc.
Section 6- Service & Appearance Care
Here the manual tells you how to keep your vehicle running
properly and looking good.
Section 7 - Maintenance Schedule
This section tells you when to perform vehicle maintenance and
what fluids and lubricants to use.
Section 8 - Customer Assistance Information
This section tells you how to contact GM for assistance and how to
get service publications. It also gives you information on
“Reporting Safety Defects” on page
8-4.
Index
Here’s an alphabetical listing of almost every subject in this
manual. You
can use it to quickly find something you want to read.
1

Downloaded from www.Manualslib.com manuals search engine Gages
Engine Coolant Temperature Gage
I
210
0
rc E- -
This gage shows the
engine coolant
temperature.
If the
gage pointer moves into the red area, your
engine
is too hot!
It means that your engine coolant has overheated. If you have bee\
n
operating your vehicle under normal driving conditions, you shou\
ld pull off
the road, stop your vehicle and turn
off the engine as soon as possible.
Hot Coolant Can Burn you Badly! In Problems On The Road, this manual
explains what to do. See “Engine Overheating” in the Index.
Oil Pressure Gage
40
The oil pressure gage
shows the engine oil
pressure in psi (pounds per square
inch) when the engine
is running. Canadian
vehicles indicate
pressure in kPa (kilopascals).
Oil pressure may vary with engine speed, outside temperature and oil
viscosity, but readings above the low pressure zone indicate the normal
operating range.
A reading in the low pressure zone may be caused by a dangerously low oil
level or other problems causing low oil pressure.
2-77

Downloaded from www.Manualslib.com manuals search engine Passing
You’ll need more passing distance up ahead when you’re towing a trailer.
And, because you’re a good deal longer, you’ll need to go much farther
beyond the passed vehicle before you can return to your lane.
Backing Up
Hold the bottom of the steering wheel with one hand. Then, to move the
trailer to the left, just move that hand to the left. To move the trailer to the
right, move your hand to the right. Always back up slowly and, if possible,
have someone guide you.
Making Turns
NOTICE:
Making very sharp turns while trailering could cause the traile\
r
to come in contact with the vehicle. Your vehicle could be
damaged. Avoid making very sharp turns while trailering.
When you’re turning with a trailer, make wider turns than normal. Do this
so your trailer won’t strike soft shoulders, curbs, road signs, trees, or other
objects. Avoid jerky or sudden maneuvers. Signal well in advance.
Turn Signals When Towing a Trailer
When you tow a trailer, your vehicle has to have extra wiring and a
heavy-duty
turn signal flasher (included in the optional trailering package).
The green arrows on your instrument panel will flash whenever you signal a
turn or lane change. Properly hooked up, the trailer lamps will also flash,
telling other drivers you’re about to turn, change lanes or stop.
When towing a trailer, the green arrows on your instrument panel will flash
for turns even if the bulbs on the trailer are burned out. Thus, you may think
drivers behind you are seeing your signal when they are not. It’s important
to check occasionally to be sure the trailer bulbs are still working.
Driving On Grades
Reduce speed and shift to a lower gear before you start down a long or steep
downgrade. If you don’t shift down, you might have to use your brakes
so
much that they would get hot and no longer work well.
On a long uphill grade, shift down and reduce your speed to around 45 mph
(70 Wh) to reduce the possibility of engine and transmission overheating.
4-45

Downloaded from www.Manualslib.com manuals search engine When towing at high altitude on steep uphill grades, consider the following:
Engine coolant will boil at a lower temperature than at normal\
altitudes.
If
you turn your engine off immediately after towing at high altitude on steep
uphill grades, your vehicle may show signs similar
to engine overheating.
To avoid this,
let the engine run while parked (preferably on level ground)
with the automatic transmission in PARK
(P) (or the manual transmission
out of gear and the parking brake applied) for a few minutes before turni\
ng
the engine off. If
you do get the overheat warning, see “Engine
Overheating” in the Index.
Parking on Hills
You really should not park your vehicle, with a trailer attached, \
on a hill. If
something goes wrong, your rig could start
to move. People can be injured,
and both your vehicle and the trailer can be damaged.
But if you ever have
to park your rig on a hill, here’s how to do it:
1. Apply your regular brakes, but don’t shift into PARK (P)
yet, or into
gear for a manual transmission. Then turn your wheels into the curb if \
facing downhill or into traffic if facing uphill.
2. Have someone place chocks under the trailer wheels.
3. When the wheel chocks are in place, release the regular brakes\
until the
chocks absorb the load.
4. Reapply the regular brakes. Then apply your parking brake, and \
then
shift into PARK (P), or REVERSE
(R) for a manual transmission.
5. If you have a four-wheel-drive vehicle with a manual transfer case
shift lever, be sure
the transfer case is in a drive gear - not in
NEUTRAL
(N).
6. Release the parking brake.
4-46

Downloaded from www.Manualslib.com manuals search engine Engine Overheating
You will find a coolant temperature gage on your vehicle’s instr\
ument
panel.
If Steam Is Coming From Your Engine
NOTICE:
If your engine catches fire because you keep driving with no
coolant, your vehicle can be badly damaged. The costly repairs
would not be covered by your warranty.
5-13

Downloaded from www.Manualslib.com manuals search engine How to Check Lubricant
,:
If the level is below
the bottom
of the filler
plug hole, you’ll need
to add some lubricant.
If the differential
is at operating temperature (warm), add enough lubricant
to raise the level to the bottom of the filler plug hole.
If the differential is cold, add enough lubricant to raise the le\
vel to 1/2 inch
(12 mm) below 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
The following explains your cooling system and how to add coolant \
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:
0 Give freezing protection down to -34°F (-37°C).
Give boiling protection up to 262°F (128°C).
0 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 one-half clean water (preferably distilled) and one-half
antifreeze that meets “GM Specification 6038-M,” which won’t damage
aluminum parts.
You can also use a recycled coolant conforming to “GM
Specification 6038-M.
Use GM Coolant Supplement (Sealer) with a
complete coolant flush and refill. If
you use this mixture, you don’t need to
add anything else.
6-21

Downloaded from www.Manualslib.com manuals search engine Radiator Pressure Cap
NOTICE:
Your radiator cap is a 15 psi (105 kPa) pressure-type cap and
must be tightly installed to prevent coolant loss and possible \
engine damage from overheating. Be sure the arrows on the cap \
line up with the overflow tube on the radiator filler neck.
When you replace your radiator pressure
cap, a
GM cap is
recommended. See
“Service Replacement
Part and Filter
Recommendations” in
the Index.
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 co6lant reaches a preset temperature.
When you replace your thermostat, an
AC@ thermostat is recommended.
6-24

Downloaded from www.Manualslib.com manuals search engine Engine (continued) FanNoise
................................................... 5-20
Identification
....................................... 6-58.6-59. 6-62
Oil (See “Oil”)
.l
RunningWhileParked ......................................... 2-28
Starting
..................................................... 2-16
Exhaust System
.................................................. 6-40
Overheating .................................................. 5-13
F .
Filter Replacement Chart (See “Service-Replacement Parts and Filter
Recommendations”)
FluidLeakCheck
................................................ 6-31
Fluids (See “Recommended Fluids and Lubricants”)
Four-wheel Drive
.......................................... 2.30. 6-20
Manual Transfer Case
.......................................... 2-30
Electronic Transfer Case
........................................ 2-32
Fuel
. FillingYourTank .............................................. 6-5
Foreign Countries .............................................. 64
Gage (See “Gages”)
Gasolines for Cleaner Air
....................................... :6-4
Tank Capacity ................................................. 6-63
Fuses and Circuit Breakers
................................... 6-60, 6-66
FuseBlock .................................................. 6-61
G
Gages Engine Coolant Temperature Gage
................................ 2-77
Oil Pressure Gage
............................................. 2-77
Trip Odometer
................................................ 247
FuelGage
................................................... 2-78
Odometer
................................................... 2-66
Speedometer
................................................. 2-66
Tachometer
.................................................. 2-67
Voltmeter
.................................................... 2-79
H
Halogen Bulbs (See “Bulb Replacement”)
Head Restraints (See “Seats”) Headlamps Hazard Wqing Flashers
........................................... 5-1
Replacement (See “Bulb Replacement”)
High Beam Indicator Light (See “Lights”)
. High-Low Beam Changer ................................. 2-39. 2-76
Reminder
.................................................... 249
Heater/Air Conditioning Controls
.................................... 3-1
Refrigerant Capacity
............................................ 6-71
Highway Hypnosis (See “Driving-Highway Hypnosis”)
Hitches (See “Towing a Trailer”)
4