oil temperature CHEVROLET CLASSIC 2005 Owners Manual

Engine Coolant Heater
Your vehicle may have this feature. In very cold
weather, 0°F (−18°C) or colder, the engine coolant
heater can provide easier starting and better fuel
economy during engine warm-up. Usually, the coolant
heater should be plugged in a minimum of four
hours prior to starting your vehicle. At temperatures
above 32°F (0°C), use of the coolant heater is not
required.
To Use the Engine Coolant Heater
1. Turn off the engine.
2. Open the hood and unwrap the electrical cord.
The engine coolant heater cord is located in
front of the coolant surge tank on the passenger’s
side. SeeEngine Compartment Overview on
page 5-12for more information on location.
3. Plug it into a normal, grounded 110-volt AC outlet.
{CAUTION:
Plugging the cord into an ungrounded outlet
could cause an electrical shock. Also, the
wrong kind of extension cord could overheat
and cause a re. You could be seriously
injured. Plug the cord into a properly grounded
three-prong 110-volt AC outlet. If the cord will
not reach, use a heavy-duty three-prong
extension cord rated for at least 15 amps.
4. Before starting the engine, be sure to unplug and
store the cord as it was before to keep it away
from moving engine parts. If you do not, it could be
damaged.
How long should you keep the coolant heater plugged
in? The answer depends on the outside temperature, the
kind of oil you have, and some other things. Instead
of trying to list everything here, we ask that you contact
your dealer in the area where you will be parking
your vehicle. The dealer can give you the best advice
for that particular area.
2-18

Instrument Panel Overview...............................3-4
Hazard Warning Flashers................................3-6
Other Warning Devices...................................3-6
Horn.............................................................3-6
Tilt Wheel.....................................................3-6
Turn Signal/Multifunction Lever.........................3-7
Turn and Lane-Change Signals........................3-8
Headlamp High/Low-Beam Changer..................3-8
Flash-to-Pass.................................................3-8
Windshield Washer.........................................3-9
Windshield Wiper Lever...................................3-9
Cruise Control..............................................3-10
Headlamps..................................................3-13
Headlamps on Reminder................................3-14
Headlamps Off in PARK (P)...........................3-14
Delayed Headlamps......................................3-14
Daytime Running Lamps (DRL).......................3-14
Automatic Headlamp System..........................3-15
Instrument Panel Brightness...........................3-16
Dome Lamp.................................................3-16
Entry/Exit Lighting.........................................3-16
Trunk Lamp.................................................3-16
Battery Run-Down Protection..........................3-16
Accessory Power Outlets...............................3-17
Ashtrays and Cigarette Lighter........................3-18Climate Controls............................................3-18
Climate Control System.................................3-18
Outlet Adjustment.........................................3-21
Warning Lights, Gages, and Indicators............3-22
Instrument Panel Cluster................................3-23
Speedometer and Odometer...........................3-24
Trip Odometer..............................................3-24
Tachometer.................................................3-25
Safety Belt Reminder Light.............................3-25
Airbag Readiness Light..................................3-26
Charging System Light..................................3-27
Brake System Warning Light..........................3-27
Anti-Lock Brake System Warning Light.............3-28
Engine Coolant Temperature Gage..................3-29
Low Coolant Warning Light............................3-29
Malfunction Indicator Lamp.............................3-30
Oil Pressure Light.........................................3-32
Passlock
®Warning Light................................3-33
Highbeam On Light.......................................3-34
Low Washer Fluid Warning Light.....................3-34
Door Ajar Light.............................................3-34
Service Vehicle Soon Light............................3-34
Fuel Gage...................................................3-35
Section 3 Instrument Panel
3-1

If you are in an area of extreme cold, where the
temperature falls below−20°F (−29°C), it is
recommended that you use either an SAE 5W-30
synthetic oil or an SAE 0W-30 oil. Both will provide
easier cold starting and better protection for your engine
at extremely low temperatures.
Engine Oil Additives
Do not add anything to your oil. The recommended oils
with the starburst symbol that meet GM Standard
GM6094M are all you will need for good performance
and engine protection.
When to Change Engine Oil
If any one of these is true for you, use the short trip/city
maintenance schedule:
•Most trips are less than 5 miles (8 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 frequently tow a trailer or use a carrier on top
of your vehicle.
•The vehicle is used for delivery service, police, taxi,
or other commercial application.Driving under these conditions causes engine oil to
break down sooner. If any one of these is true for your
vehicle, then you need to change your oil and filter
every 3,000 miles (5 000 km) or 3 months — whichever
occurs first.
If none of them is true, use the long trip/highway
maintenance schedule. Change oil and filter every
7,500 miles (12 500 km) or 12 months — whichever
occurs first. Driving a vehicle with a fully warmed engine
under highway conditions will cause engine oil to
break down slower.
What to Do with Used Oil
Used engine oil contains certain elements that may be
unhealthy for your skin and could even cause cancer.
Do not let used oil stay on your skin for very long. Clean
your skin and nails with soap and water, or a good
hand cleaner. Wash or properly dispose of clothing or
rags containing used engine oil. See the manufacturer’s
warnings about the use and disposal of oil products.
Used oil can be a threat to the environment. If you
change your own oil, be sure to drain all the oil from the
filter before disposal. Never dispose of oil by putting it in
the trash, pouring it on the ground, into sewers, or into
streams or bodies of water. Instead, recycle it by taking it
to a place that collects used oil. If you have a problem
properly disposing of your used oil, ask your dealer, a
service station or a local recycling center for help.
5-16

The following explains your cooling system and how to
add coolant when it is low. If you have a problem
with engine overheating, seeEngine Overheating on
page 5-22.
A 50/50 mixture of clean, drinkable water and
DEX-COOL
®coolant will:
•Give freezing protection down to−34°F (−37°C).
•Give boiling protection up to 265°F (129°C).
•Protect against rust and corrosion.
•Help keep the proper engine temperature.
•Let the warning lights and gages work as they
should.
Notice:Using coolant other than DEX-COOL
®may
cause premature engine, heater core or radiator
corrosion. In addition, the engine coolant may
require changing sooner, at 30,000 miles (50 000 km)
or 24 months, whichever occurs rst. Any repairs
would not be covered by your warranty. Always use
DEX-COOL
®(silicate-free) coolant in your vehicle.
What to Use
Use a mixture of one-half clean, drinkable water and
one-half DEX-COOL®coolant which will not damage
aluminum parts. If you use this coolant mixture, you do
not need to add anything else.
{CAUTION:
Adding only plain water to your cooling
system can be dangerous. Plain water, or
some other liquid such as alcohol, can boil
before the proper coolant mixture will. Your
vehicle’s coolant warning system is set for the
proper coolant mixture. With plain water or the
wrong mixture, your engine could get too hot
but you would not get the overheat warning.
Your engine could catch re and you or others
could be burned. Use a 50/50 mixture of clean,
drinkable water and DEX-COOL
®coolant.
Notice:If you use an improper coolant mixture,
your engine could overheat and be badly damaged.
The repair cost would not be covered by your
warranty. Too much water in the mixture can freeze
and crack the engine, radiator, heater core and
other parts.
If you have to add coolant more than four times a year,
have your dealer check your cooling system.
Notice:If you use the proper coolant, you do not
have to add extra inhibitors or additives which claim
to improve the system. These can be harmful.
5-19

Selecting the Right Schedule
First you will need to decide which of the two schedules
is right for your vehicle. Here is how to decide which
schedule to follow:
Short Trip/City Denition
Follow the Short Trip/City Scheduled Maintenance if
any one of these conditions is true for your vehicle:
•Most trips are less than 5 miles (8 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 frequently tow a trailer or use a carrier on
top of your vehicle.
•If the vehicle is used for delivery service, police,
taxi 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 sooner.
Short Trip/City Intervals
Every 3,000 Miles (5 000 km):Engine Oil and Filter
Change (or 3 months, whichever occurs first).
Every 6,000 Miles (10 000 km):Tire Rotation.
Every 15,000 Miles (25 000 km):Engine Air Cleaner
Filter Inspection.
Every 45,000 Miles (75 000 km):Engine Air Cleaner
Filter Replacement.
Every 50,000 Miles (83 000 km):Automatic Transaxle
Service (severe conditions only).
Every 100,000 Miles (166 000 km):Spark Plug Wire
Inspection. Spark Plug Replacement.
Every 150,000 Miles (240 000 km):Cooling System
Service (or every 60 months, whichever occurs
first). Engine Accessory Drive Belt Inspection.
These intervals only summarize maintenance services.
Be sure to follow the complete scheduled maintenance
on the following pages.
6-5

50,000 Miles (83 000 km)
❑Change automatic transaxle fluid and filter 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 uid and lter do not require changing.
51,000 Miles (85 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
54,000 Miles (90 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation
on page 5-54for proper rotation pattern and
additional information.(See footnote +.)
57,000 Miles (95 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
60,000 Miles (100 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
❑Inspect engine air cleaner filter. If necessary, replace
the filter. If vehicle is driven in dusty/dirty conditions,
inspect filter at every engine oil change. See
Engine Air Cleaner/Filter on page 5-17for more
information.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-54for proper rotation pattern and additional
information.(See footnote +.)
63,000 Miles (105 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
66,000 Miles (110 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation
on page 5-54for proper rotation pattern and
additional information.(See footnote +.)
6-9

93,000 Miles (155 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
96,000 Miles (160 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
❑Rotate tires. SeeTire Inspection and Rotation
on page 5-54for proper rotation pattern and
additional information.(See footnote +.)
99,000 Miles (165 000 km)
❑Change engine oil and filter (or every 3 months,
whichever occurs first).An Emission Control Service.
100,000 Miles (166 000 km)
❑Inspect spark plug wires.An Emission Control
Service.
❑Replace spark plugs.An Emission Control Service.❑Change automatic transaxle fluid and filter 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 any of these conditions,
the uid and lter do not require changing.
150,000 Miles (240 000 km)
❑Drain, flush, and refill cooling system (or every
60 months since last service, whichever occurs first).
This service can be complex; you should have
your dealer perform this service. SeeEngine Coolant
on page 5-18for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap, and neck.
Pressure test the cooling system and pressure
cap.An Emission Control Service.
❑Inspect engine accessory drive belt.An Emission
Control Service.
6-11

30,000 Miles (50 000 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Inspect engine air cleaner filter. If necessary, replace
the filter. If vehicle is driven in dusty/dirty conditions,
inspect filter at every engine oil change. See
Engine Air Cleaner/Filter on page 5-17for more
information.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-54for proper rotation pattern and additional
information.(See footnote +.)
37,500 Miles (62 500 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-54for proper rotation pattern and additional
information.(See footnote +.)
45,000 Miles (75 000 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Replace engine air cleaner filter. SeeEngine Air
Cleaner/Filter on page 5-17for more information.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-54for proper rotation pattern and additional
information.(See footnote +.)
50,000 Miles (83 000 km)
❑Change automatic transaxle fluid and filter 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 uid and lter do not require changing.
6-13

90,000 Miles (150 000 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Replace engine air cleaner filter. SeeEngine Air
Cleaner/Filter on page 5-17for more information.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-54for proper rotation pattern and additional
information.(See footnote +.)
97,500 Miles (162 500 km)
❑Change engine oil and filter (or every 12 months,
whichever occurs first).An Emission Control
Service.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-54for proper rotation pattern and additional
information.(See footnote +.)
100,000 Miles (166 000 km)
❑Inspect spark plug wires.An Emission Control
Service.
❑Replace spark plugs.An Emission Control Service.❑Change automatic transaxle fluid and filter 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 uid and lter do not require changing.
150,000 Miles (240 000 km)
❑Drain, flush, and refill cooling system (or every
60 months since last service, whichever occurs first).
This service can be complex; you should have
your dealer perform this service. SeeEngine Coolant
on page 5-18for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap, and neck.
Pressure test the cooling system and pressure
cap.An Emission Control Service.
❑Inspect engine accessory drive belt.An Emission
Control Service.
6-15

Door
Ajar Light...................................................3-34
Delayed Locking........................................... 2-8
Door Ajar Reminder....................................... 2-8
Locks.......................................................... 2-7
Power Door Locks......................................... 2-8
Programmable Automatic Door Locks............... 2-9
Rear Door Security Locks.............................2-10
Driver
Position, Safety Belt.....................................1-11
Six-Way Power Seat...................................... 1-3
Driving
At Night.....................................................4-13
City...........................................................4-17
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-18
Hill and Mountain Roads..............................4-20
In Rain and on Wet Roads...........................4-14
Rocking Your Vehicle to Get it Out.................4-27
Winter........................................................4-22
E
Electrical System
Add-On Equipment......................................5-79
Engine Compartment Fuse Block...................5-83
Fuses and Circuit Breakers...........................5-80
Headlamp Wiring.........................................5-79Electrical System (cont.)
Instrument Panel Fuse Block.........................5-80
Power Windows and Other Power Options......5-79
Windshield Wiper Fuses...............................5-79
Engine
Air Cleaner/Filter.........................................5-17
Battery.......................................................5-34
Check and Service Engine Soon Light............3-30
Coolant......................................................5-18
Coolant Heater............................................2-18
Coolant Temperature Gage...........................3-29
Cooling System Inspection............................6-21
Engine Compartment Overview......................5-12
Exhaust.....................................................2-25
Oil .............................................................5-13
Overheating................................................5-22
Starting......................................................2-17
Entry/Exit Lighting...........................................3-16
Event Data Recorders (EDR)............................. 7-8
Extender, Safety Belt.......................................1-25
F
Filter
Engine Air Cleaner......................................5-17
Finish Damage...............................................5-76
Fixed Mast Antenna........................................3-53
Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-60
4