2004 PONTIAC GTO automatic transmission

(h)Change automatic transmission 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.
-Uses such as high performance operation.
(i)Drain, flush and refill cooling system. See Engine
Coolant on page 5-25for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and filler neck.
Pressure test the cooling system and pressure cap.
(j)A fluid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired and
the fluid level checked. Add fluid if needed.Owner Checks and Services
These owner checks and services should be performed
at the intervals specified to help ensure the safety,
dependability and emission control performance of your
vehicle. Your GM Goodwrench dealer can assist you
with these checks and services.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
inRecommended Fluids and Lubricants on page 6-13.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel fill.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-13for further
details.
Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
6-9

Automatic Transmission Shift Lock
Control System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked on a level
surface.
2. Firmly apply the parking brake. SeeParking Brake
on page 2-23if necessary.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the key to the ON position,
but do not start the engine. Without applying the
regular brake, try to move the shift lever out
of PARK (P) with normal effort. If the shift lever
moves out of PARK (P), contact your GM
Goodwrench dealer for service.
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to LOCK in each shift lever position.
•With an automatic transmission, the key should turn
to LOCK only when the shift lever is in PARK (P).
The key should come out only in LOCK.
•With a manual transmission, the key should turn to
LOCK only when the shift lever is in reverse. The
key should come out only in LOCK.
Contact your GM Goodwrench dealer if service is
required.
6-11

Parking Brake and Automatic
Transmission Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
•To check the parking brake’s holding ability: With
the engine running and transaxle in NEUTRAL (N),
slowly remove foot pressure from the regular
brake pedal. Do this until the vehicle is held by the
parking brake only.
•To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to PARK (P).
Then release the parking brake followed by the
regular brake.
Contact your GM Goodwrench dealer if service is
required.
Underbody Flushing Service
At least every spring, use plain water to flush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-12

Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, part
number or specification may be obtained from your
dealer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certified for Gasoline Engines
starburst symbol. To determine the
proper viscosity for your vehicle’s
engine, seeEngine Oil on
page 5-13.
Engine Coolant50/50 mixture of clean, drinkable
water and use only
DEX-COOL
®Coolant. SeeEngine
Coolant on page 5-25.
Hydraulic Brake
SystemHydraulic Brake Fluid. Use only
GM Part No. U.S. 88958860, in
Canada 88901244, Super DOT-4
brake fluid.
Usage Fluid/Lubricant
Windshield
Washer SolventGM Optikleen
®Washer Solvent.
Hydraulic
Clutch SystemHydraulic Clutch Fluid. Use only
GM Part No. U.S. 88958860, in
Canada 88901244, Super DOT-4
brake fluid.
Parking Brake
Cable GuidesChassis Lubricant
(GM Part No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Power Steering
SystemDEXRON
®-III Automatic
Transmission Fluid.
Manual
TransmissionDEXRON
®-III Automatic
Transmission Fluid.
Automatic
TransmissionDEXRON
®-III Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
6-13

AUTO LOCK IN DRIVE
(Automatic Transmission Only).......................2-37
Automatic Headlamp System............................3-13
Automatic Transmission...................................2-17
Fluid..........................................................5-19
Operation...................................................2-18
AVG FUEL.....................................................3-36
AVG SPEED..................................................3-36
B
Backglass Antenna..........................................3-55
Battery....................................................2-6, 5-41
Battery Run-Down Protection............................3-16
Before Leaving on a Long Trip.........................4-21
Brake
Parking......................................................2-23
System Warning Light..................................3-27
Brake Fluid....................................................5-38
Brake Wear...................................................5-40
Brakes..........................................................5-38
Braking........................................................... 4-5
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-15Bulb Replacement...........................................5-47
Front Turn Signal and Parking Lamps.............5-49
Halogen Bulbs............................................5-47
Headlamps.................................................5-47
Rear Turn Signal, Stoplamps and Back-Up
Lamps....................................................5-49
Replacement Bulbs......................................5-50
Buying New Tires...........................................5-65
C
California Fuel.................................................. 5-6
Canada – Customer Assistance.......................... 7-4
Capacities and Specifications............................5-92
Carbon Monoxide.....................4-24, 4-35, 2-8, 2-27
Care of
Safety Belts................................................5-81
Your CD Player...........................................3-54
Your CDs ...................................................3-54
CD Messages................................................3-49
Center Console Storage Area...........................2-31
Chains, Tires..................................................5-69
Charging System Light....................................3-27
2

E
Electrical System
Add-On Equipment......................................5-87
Fuses and Circuit Breakers...........................5-87
Emergency Trunk Release Handle.....................2-10
Emissions Inspection and Maintenance
Programs...................................................3-31
Engine
Air Cleaner/Filter.........................................5-18
Battery.......................................................5-41
Change Engine Oil Light...............................3-33
Check and Service Engine Soon Light............3-29
Coolant......................................................5-25
Coolant Temperature Gage...........................3-28
Drive Belt Routing.......................................6-16
Engine Compartment Overview......................5-12
Exhaust.....................................................2-27
Oil .............................................................5-13
Overheating................................................5-28
Starting......................................................2-17
Engine Compartment Fuse Block......................5-90
Engine Oil Additives........................................5-16
Entering Programming Mode............................2-33
Entry Lighting.................................................3-15
Event Data Recorders (EDR)............................. 7-9
EXIT OPTIONS MENU....................................2-37Exiting Programming Mode...............................2-37
Express-Down Window....................................2-12
Extender, Safety Belt.......................................1-25
Exterior Lamps...............................................3-12
F
Filter
Engine Air Cleaner......................................5-18
Finding a Station............................................3-43
Finish Care....................................................5-82
Finish Damage...............................................5-84
Flash-to-Pass Feature....................................... 3-7
Flat Tire........................................................5-70
Flat Tire, Changing.........................................5-71
Fluid
Automatic Transmission................................5-19
Manual Transmission....................................5-23
Power Steering...........................................5-36
Windshield Washer......................................5-37
FM ...............................................................3-54
Fog Lamp Light..............................................3-33
Fog Lamps....................................................3-14
Front Reading Lamps......................................3-16
Front Storage Area.........................................2-31
5

Traction
Control System (TCS).................................... 4-8
Transmission
Fluid, Automatic...........................................5-19
Fluid, Manual..............................................5-23
Transmission Operation, Automatic....................2-18
Transmission Operation, Manual........................2-21
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-11
Transportation Options...................................... 7-7
Trip A/B .........................................................3-40
Trip Computer................................................3-36
TRIP COMPUTER A & B.................................2-34
Trip Computer Notes:......................................3-40
Trip Computer Warning Messages.....................3-41
Trip Distance..................................................3-37
TRIP TIME....................................................3-37
Trunk.............................................................. 2-8
Trunk Lamp...................................................3-16
Trunk Lock...................................................... 2-8
Turn and Lane-Change Signals.......................... 3-6
Turn Signal/Multifunction Lever........................... 3-5
TWO STAGE UNLOCK....................................2-36U
UNDERSPEED CHIME....................................2-34
Underspeed Chime.........................................3-38
Understanding Radio Reception........................3-54
Uniform Tire Quality Grading............................5-66
United States – Customer Assistance.................. 7-4
Used Replacement Wheels..............................5-69
Using Cleaner on Fabric..................................5-79
V
Vehicle
Control........................................................ 4-5
Damage Warnings........................................... iv
Loading......................................................4-30
Parking Your...............................................2-26
Service Soon Light......................................3-34
Symbols......................................................... iv
Vehicle Data Collection and Event Data
Recorders.................................................... 7-9
Vehicle Identification
Number (VIN).............................................5-86
Service Parts Identification Label...................5-86
Vehicle Personalization....................................2-32
Vehicle Storage..............................................5-41
Ventilation Adjustment......................................3-22
Visors...........................................................2-12
13