2005 PONTIAC GTO oil

(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. This service
can be complex; you should have your dealer perform
this service. See Engine Coolant on page 5-23for
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 6-12.
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.
6-8

Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary. SeeEngine
Coolant on page 5-23for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the windshield
washer tank and add the proper fluid if necessary.
At Least Once a Month
Tire Ination Check
Visually inspect your vehicle’s tires and make sure they
are inflated to the correct pressures. Do not forget to
check the spare tire. SeeTires on page 5-52for further
details. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-68.
Tire Wear Inspection
Tire rotation may be required for high mileage highway
drivers prior to the Engine Oil Life System service
notification. Check the tires for wear and, if necessary,
rotate the tires. SeeTire Inspection and Rotation on
page 5-62.
At Least Once a Year
Starter Switch 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.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-23.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. Try to start the engine in each gear. The vehicle
should start only in PARK (P) or NEUTRAL (N). If
the vehicle starts in any other position, contact your
GM Goodwrench
®dealer for service.
6-9

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 OilThe engine requires a special
engine oil meeting GM Standard
GM4718M. Oils meeting this
standard may be identified as
synthetic, and should also be
identified with the American
Petroleum Institute Certified for
Gasoline Engines starburst symbol.
However, not all synthetic API oils
with the starburst symbol will meet
this GM standard. You should look
for and use only an oil that meets
GM Standard GM4718M. GM
Goodwrench
®oil meets all the
requirements for your vehicle. For
the proper viscosity, seeEngine Oil
on page 5-13.
Usage Fluid/Lubricant
Engine Coolant50/50 mixture of clean,
drinkable water and use only
DEX-COOL
®Coolant. See
Engine Coolant on page 5-23.
Hydraulic Brake
SystemHydraulic Brake Fluid. Use only
GM Part No. U.S. 88958860, in
Canada 88901244, Super DOT-4
brake fluid.
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. Look for
“Approved for the H-Specification”
on the label.
6-12

Usage Fluid/Lubricant
Manual
TransmissionDEXRON®-III Automatic
Transmission Fluid. Look for
“Approved for the H-Specification”
on the label.
Automatic
TransmissionDEXRON
®-III Automatic
Transmission Fluid. Look for
“Approved for the H-Specification”
on the label.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Rear AxleSAE 75W-140 GL-5 Synthetic Gear
Oil (GM Part No. 89021809). With a
complete drain and refill add 1 oz.
(25 ml) of Limited-Slip Differential
Friction Modifier 7098
(GM Part No. 89021958).
Usage Fluid/Lubricant
Hood Latch
Assembly,
Secondary
Latch, Pivots,
Spring Anchor
and Release
PawlLubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293, in
Canada 992723) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Hood and Door
HingesMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Weatherstrip
ConditioningDielectric Silicone Grease
(GM Part No. U.S. 12345579, in
Canada 992887).
6-13

Normal Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your GM dealer.
Part GM Part NumbersACDelco®Part
Numbers
Engine Air Cleaner/Filter 92082656 —
Engine Oil Filter 88984215 PF46
Spark Plugs 12571164 41-985
Wiper Blades (Hook Type)
Driver’s Side – 22.0 inches (55.0 cm) 92076914 —
Passenger’s Side – 20.0 inches (50.0 cm) 92057198 —
6-14

Doing Your Own Service Work........................... 5-4
Dome Lamp...................................................3-16
Door
Locks.......................................................... 2-7
Programmable Automatic Door Locks............... 2-8
Driver
Position, Safety Belt.....................................1-12
Driving
At Night.....................................................4-14
City...........................................................4-18
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-19
Hill and Mountain Roads..............................4-22
In Rain and on Wet Roads...........................4-16
Racing or Other Competitive Driving...............2-18
Rocking Your Vehicle to Get it Out.................4-28
Winter........................................................4-24
E
Electrical System
Add-On Equipment......................................5-85
Engine Compartment Fuse Block...................5-88
Fuses and Circuit Breakers...........................5-86
Instrument Panel Fuse Block.........................5-86Engine
Air Cleaner/Filter.........................................5-18
Battery.......................................................5-39
Check and Service Engine Soon Light............3-28
Coolant......................................................5-23
Coolant Temperature Gage...........................3-28
Engine Compartment Overview......................5-12
Exhaust.....................................................2-26
Oil .............................................................5-13
Oil Life System...........................................5-16
Overheating................................................5-26
Racing or Other Competitive Driving...............2-18
Starting......................................................2-17
Entry Lighting.................................................3-16
Event Data Recorders (EDR)............................. 7-9
Exterior Lamps...............................................3-13
F
Filter
Engine Air Cleaner......................................5-18
Finish Damage...............................................5-82
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-68
Flat Tire, Changing.........................................5-68
Flat Tire, Storing.............................................5-75
4

O
Off-Road Recovery..........................................4-11
Oil
Engine.......................................................5-13
Oil, Engine Oil Life System..............................5-16
Older Children, Restraints................................1-25
One-to-Four Shift Light....................................3-26
Online Owner Center........................................ 7-3
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-21
Outside
Convex Mirror.............................................2-28
Power Mirrors.............................................2-28
Owner Checks and Services.............................. 6-8
P
Park (P)
Shifting Into................................................2-24
Shifting Out of............................................2-25
Parking
Brake........................................................2-23
Over Things That Burn.................................2-26
Passing.........................................................4-12
Power
Accessory Outlets........................................3-17
Retained Accessory (RAP)............................2-17Power (cont.)
Seat............................................................ 1-2
Steering Fluid.............................................5-34
Windows....................................................2-12
Pretensioners, Safety Belt................................1-24
Programmable Automatic Door Locks.................. 2-8
Q
Questions and Answers About Safety Belts.........1-10
R
Radiator Pressure Cap....................................5-26
Radios..........................................................3-45
Care of Your CD Player...............................3-57
Care of Your CDs........................................3-57
Radio with Six-Disc CD................................3-46
Setting the Time..........................................3-45
Theft-Deterrent............................................3-55
Understanding Reception..............................3-57
Rear Safety Belt Comfort Guides......................1-22
Rear Seat Passengers, Safety Belts..................1-19
Rearview Mirrors.............................................2-28
Reclining Seatbacks.......................................... 1-3
Recommended Fluids and Lubricants.................6-12
Recreational Vehicle Towing.............................4-34
8