2004-2006 Pontiac GTO Maintenance Schedule
Following a maintenance schedule for your vehicle will not only improve performance but also improve longevity
in how long your car will last. Avoid costly repairs by regularly maintaining your vehicle and inspecting and servicing it at the required intervals. A maintenance schedule includes inspection as well as servicing your vehicle to ensure it is operating as safely and efficiently as it should while driving.
The Maintenance Schedule can be found in your vehicle’s owner’s manual and also in the service manual. For your convenience, I have made the following maintenance schedule for you. The maintenance for all 2004-2006 Pontiac GTO’s is the same. The 2004 Pontiac GTO has the LS1 5.7 Litre, and the 2005-2006 Pontiac GTO’s have the LS2 6.0 Litre engine. Both engines require the same maintenance and service.
2004-2006 Pontiac GTO Maintenance Schedule
| MAINTENANCE | MILEAGE | SERVICE |
| Air Filter (factory/stock) | every 25,000 | Replace |
| Automatic Transmission Fluid w/Filter | every 50,000 | Replace |
| Belts (serpentine and a/c) | every 60,000 | Replace |
| Brake Fluid | every 100,000 | Inspect and have flushed if needed |
| Cooling System | every 100,000 (or 5 years) | Service – Flush and replace coolant, replace thermostat. |
| Differential Fluid | every 50,000 | Replace |
| Manual Transmission Fluid | every 100,000 | Replace |
| Oil Change w/ Filter | every 3,000 | Replace |
| Spark Plugs | every 100,000 | Replace |
| Spark Plug Wires | every 100,000 | Inspect and replace if needed |
Maintenance To Be Done At Each Oil Change
| MAINTENANCE | SERVICE |
| Brake Fluid | Check levels and inspect for dirty fluid. Top off if needed. Use only DOT-4 brake fluid |
| Coolant | Check coolant level and top off if needed. Only Use DEXCOOL Antifreeze or water. |
| Lubricate body components | Lubricate door hinges and door locking assembly mechanism and door strikers with white lithium grease |
| Tires | Check tire pressure |
| Power Steering Fluid | Check levels and top off. Only use DEXRON III Automatic Transmission fluid in the power steering fluid reservoir |
| Windshield Wiper Fluid | Top off fluids |
| Windshield Wipers | Inspect for cracks or tears. Replace if needed. |
| Note: For 2005 and 2006 Pontiac GTO with the 6.0 Litre LS2 Engine, add a 1/2 to a maximum of 1 extra (additional) quart of oil to prevent top-end oil starvation. |
| DOWNLOAD (.pdf format) |
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| 2004-2006 Pontiac GTO Maintenance Schedule (taken from the service manual) |
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