engine overheat Oldsmobile Achieva 1995 Owner's Manuals

I The 1995 Oldsrnobile Achieva Owner’s Manual
~~ ... How to Use this Manual .............................................................. .111
This section tells you how to use your manual and includes safety \
and vehicle damage warnings
and symbols.
This section tells you how to use your
seats and safety belts properly. It also explains the ”SRS” system.
This section explains how to start and operate your Oldsmobile.\
This section tells
you how to adjust the ventilation and comfort controls and how to \
operate your
audio system.
Here you’ll find information and tips about the road and ho\
w to drive under different conditions.
This section tells you what to do
if you have a problem while driving, such as a flat tire or
overheated engine, etc.
Service and Appearance Care ......................................................... 6-1
Here the manual tells you how to keep your Oldsmobile running properly \
and looking good.
Maintenanceschedule ............................................................... 7-1
This section tells you when to perform vehicle maintenance and what fluids and lubricants t\
o use.
Customer Assistance Information ..................................................... 8-1
This section tells you how to contact Oldsmobile for assistance and how to get servic\
e publications.
It also gives you information on “Reporting Safety Defects” on page 8-4.
Index ........................................................................\
..... 9-1
Here’s an alphabetical listing of almost every subject in this manual. You can use it to quickly find
something you want to read.
Seats and Restraint Systems .......................................................... 1-1
Features and Controls
............................................................... 2-1
Comfort Controls and Audio Systems .................................................. 3-1
YourDrivingandtheRoad
........................................................... 4-1
ProblemsontheRoad ............................................................... 5-1
i

NOTICE:
Don’t drive in SECOND (2) for more than
5 miles (8 km), or at speeds over 55 mph
(88 km/h), or you can damage your transaxle.
Use DRIVE (D) (OVERDRIVE
(0) or
THIRD
(3) if your vehicle has OVERDRIVE (0))
as much as possible.
Don’t shift into SECOND
(2) unless you are going
slower than
65 mph (105 km/h), or you can
damage your engine.
If you have the four-speed transaxle with OVERDRIVE
(a), SECOND (2) will select either first or second gear
depending on vehicle speed. If your vehicle is slowing,
the transaxle will downshift to first gear at
20 to 25 mph
(32 to 40 kdh) for engine braking. You may notice
some variation in shift speed in SECOND
(2) when
accelerating or braking.
FIRST (1): This position gives you even more power
(but lower fuel economy)
than SECOND (2). You can
use
it on very steep hills, or in deep snow or mud. If the
shift lever is put in FIRST
(I), the transaxle won’t shift
into first gear until the vehicle is going slowly enough.
I NOTICE:
If your front wheels can’t rotate, don’t try to
drive. This might happen if you were stuck in
1 very deep sand or mud or were up against a solid
object. You can damage your transaxle.
Also, if you stop when going uphill, don’t hold
your vehicle there with only
the accelerator
, pedal. This could overheat and damage the
1 transaxle. Use your brakes or shift into PARK (P)
~ to hold your vehicle in position on a hill.
2-22

Engine Coolant Temperature Warning
Light (Standard Cluster) Engine Coolant Temperature Gage
(Gage Cluster)
This light tells you that
your engine coolant
has overheated or your
radiator cooling fan
is I
not working.
-
i you have been operating your vehicle under normal
~ driving conditions, you should 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 shows what to do.
1 See“Engine Overheating” in the Index.
TEMP
BRAKE WASH
FLUID
HN
LOW
COOLANT
LEVEL AIR
BAG
280
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 been operating your vehicle under normal
driving conditions, you should 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 shows what to do.
See“Engine Overheating” in the Index.

Low Coolant Level Warning Light
LOW
WASH
FLUID
LOW
COOLANT
1
If this light comes on and
stays on, the vehicle should
promptly be pulled off the
road and the coolant level
checked.
See “Engine Coolant”
in the Index. If there are visible
signs of steam, see “Engine Overheating” in the Index
before opening the hood. Have your vehicle serviced as
soon as you can.
Malfunction Indicator Lamp
(Service Engine Soon
Light)
I
LY
SERVICE
ENOINE
SOON
A computer monitors
operation of your fuel,
ignition and emission
control systems.
This light should come on when the ignition
is on, but
the engine is not running,
as a check to show you it is
working. If it does not come on at all, have it fixed right
away. If
it stays on, or it comes on while you are
driving, the computer is indicating that you have a
problem. You should take your vehicle in for service
soon.
2-65

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, use the highest gear possible.
If
you cannot maintain posted speeds, driving at a lower
speed may help avoid overheating your engine and
transaxle.
If you have a manual transaxle with fifth gear,
it’s better
not to use fifth gear. Just drive in fourth gear (or, as
you
need to, a lower gear).
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.
2.
3.
4.
5.
Apply your regular brakes, but don’t shift into
PARK
(P) yet, or into gear for a manual transaxle.
Have someone place chocks under the trailer wheels.
When the wheel chocks are
in place, release the
regular brakes until
the chocks absorb the load.
Reapply the regular brakes. Then apply your parking
brake, and then shift to PARK
(P), or REVERSE (R)
for a manual transaxle.
Release the regular brakes.
4-37

2. Attach a separate chain
to each side of the axle
inboard of the spring.
Engine Overheating
You will find a coolant temperature gage on your
Oldsmobile's instrument panel. See "Coolant
Temperature Gage" in the Index.
You will also find a
low coolant level warning light on
your Oldsmobile's
instrument 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.
If No Steam Is Coming From Your Engine
If you get the overheat warning but see or hear no
steam, the problem may
not be too serious. Sometimes
the engine can get a little too
hot when you:
Climb a long hill on a hot day.
0 Stop after high speed driving.
Idle for long periods in traffic.
Tow a trailer.
If you get the overheat warning with no sign of steam,
try this for a minute or
so:
1. If you have an air conditioner, turn it off.
2. Turn on your heater to full hot at the highest fan
speed and open the window as necessary.
3. If you’re in a traffic jam, shift to NEUTRAL (N);
otherwise, shift to the highest gear while driving --
AUTOMATIC OVERDRIVE (03) or DRIVE (D) for
automatic transaxles.
If you
no longer have the overheat warning, you can
drive. Just to be safe, drive slower for about ten minutes.
If the warning doesn’t come back on, you can drive
normally.
If the warning continues, pull over, stop, and park your
vehicle right away.
If there’s still no sign of steam, you can idle the engine
for two or three minutes while you’re parked, to see
if
the warning stops. But then, if you still have the
warning,
turn off the engine and get everyone out of the
vehicle
until it cools down.
You may decide not to lift the hood but to get service
help right away.
5-13

The coolant level should be at or above FULL COLD. If
it isn’t, you may have a leak in the radiator
hoses, heater
hoses, radiator, water pump or somewhere else in the
cooling system.
r
NOTICE:
Engine damage from running your engine
without coolant isn’t covered by your warranty.
If there seems to be no leak, with the engine on check to
see if the electric engine fan is running. If the engine is
overheating, the fan should be running. If it isn’t, your
vehicle needs service.
How to Add Coolant to the Coolant Surge
Tank
If you haven’t found a problem yet, but the coolant level
isn’t at
FULL COLD, add a 50/50 mixture of clean
water (preferably distilled) and a proper antifreeze at the
coolant surge tank, but be sure the cooling system,
including the coolant surge tank pressure cap,
is cool
before you do it.
(See “Engine Coolant” in the Index for
more information about the proper coolant mix.)
5-15

Hydraulic Clutch
The hydraulic clutch linkage in your vehicle is
self-adjusting. The clutch master cylinder reservoir
is
filled with hydraulic clutch fluid.
It isn’t a good idea to “top off’ your clutch fluid. Adding
fluid won’t correct
a leak.
A fluid loss in this system could indicate a problem.
Have the system inspected and repaired.
When to Check and What to Use
Refer to the Maintenance
Schedule to determine how
often you should check the
fluid level in your clutch
master cylinder reservoir
and for the proper fluid. See
“Owner Checks and
Services” and
“Recommended Fluids and
Lubricants” in the Index.
How to Check
If you can see fluid in the reservoir, the level is
acceptable.
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 Oldsmobile will:
0 Give freezing protection down to -34°F (-37°C).
Give boiling protection up to 262°F ( 128 O C).
0 Protect against rust and corrosion.
0 Help keep the proper engine temperature.
0 Let the warning lights work as they should.
6-21

What to Use
Use a mixture of one-half clearz water (preferably
distilled) and one-half antifreeze that meets
“GM
Specification 182SM,” which won’t damage aluminum
parts. You can also use a recycled coolant conforming to
GM Specification 1825M with a complete coolant flush
and refill. Use
GM Engine Coolant Supplement (sealer)
with any complete coolant flush and refill.
If you use
this mixture, you don’t need to add anything else.
I
I NOTICE:
If you use an improper coolant mix, your engine
could overheat and be badly damaged. The
repair cast wouldn’t be covered by your
warranty.
Too much water in the mix can freeze
and crack the engine, radiator, heater core and
other parts.
6-22