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Parts for your 2003 Holden Commodore-Coolant

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Gates Radiator Hose Upper - 05-0547

Gates Radiator Hose Upper - 05-0547

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$43
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Gates Radiator Hose Lower - 05-0421

Gates Radiator Hose Lower - 05-0421

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$42
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Gates Radiator Hose Lower - 05-0724

Gates Radiator Hose Lower - 05-0724

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$42
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Gates Radiator Hose Lower - 05-0248

Gates Radiator Hose Lower - 05-0248

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$41
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Gates Radiator Hose Upper - 05-0268

Gates Radiator Hose Upper - 05-0268

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$41
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Gates Radiator Hose Upper - 05-0438

Gates Radiator Hose Upper - 05-0438

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$39
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Gates Radiator Hose Upper - 05-0839

Gates Radiator Hose Upper - 05-0839

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$38
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Gates Radiator Hose Upper - 05-0424

Gates Radiator Hose Upper - 05-0424

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$38
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Gates Moulded Heater Hose - 02-1483

Gates Moulded Heater Hose - 02-1483

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$38
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Gates Radiator Hose Upper - 05-0442

Gates Radiator Hose Upper - 05-0442

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$37
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Gates Radiator Hose Upper - 05-0776

Gates Radiator Hose Upper - 05-0776

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$37
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Gates Radiator Hose Lower - 05-0874

Gates Radiator Hose Lower - 05-0874

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$37
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Gates Radiator Hose Upper - 05-0528

Gates Radiator Hose Upper - 05-0528

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$36
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Gates Radiator Hose Upper - 05-0108

Gates Radiator Hose Upper - 05-0108

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$36
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Gates Radiator Hose - 05-0218

Gates Radiator Hose - 05-0218

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$36
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Gates Radiator Hose Lower - 05-0675

Gates Radiator Hose Lower - 05-0675

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$35
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Gates Radiator Hose Upper - 05-0440

Gates Radiator Hose Upper - 05-0440

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$35
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Gates Moulded Heater Hose - 02-0910

Gates Moulded Heater Hose - 02-0910

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$35
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Gates Moulded Heater Hose - 02-0939

Gates Moulded Heater Hose - 02-0939

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$34
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Gates Radiator Hose Upper - 05-0111

Gates Radiator Hose Upper - 05-0111

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$34
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Gates Heater Hose - 02-1006

Gates Heater Hose - 02-1006

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$34
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Gates Moulded Heater Hose - 02-0992

Gates Moulded Heater Hose - 02-0992

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$33
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Gates Moulded Heater Hose - 02-0924

Gates Moulded Heater Hose - 02-0924

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$33
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Gates Radiator Hose Upper - 05-0216

Gates Radiator Hose Upper - 05-0216

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$32
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Gates Moulded Heater Hose - 02-0908

Gates Moulded Heater Hose - 02-0908

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$31
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Gates Radiator Hose Lower - 05-0895

Gates Radiator Hose Lower - 05-0895

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$30
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Gates Moulded Heater Hose - 02-1510

Gates Moulded Heater Hose - 02-1510

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$30
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Gates Radiator Hose - 05-4190

Gates Radiator Hose - 05-4190

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$26
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Gates Oil Cooler Hose - 02-0763

Gates Oil Cooler Hose - 02-0763

$178
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Mackay Heater Hose - CH3746

Mackay Heater Hose - CH3746

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$71
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OEX  Temperature Sensor - CCS37

OEX Temperature Sensor - CCS37

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$66
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Mackay Heater Hose - CH1036

Mackay Heater Hose - CH1036

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$60
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Mackay Heater Hose - CH3660

Mackay Heater Hose - CH3660

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$60
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Showing 4018 - 4056 of 4186 products

Keeping Your 2003 Holden Commodore Cool: A Guide to Coolant Maintenance

The 2003 Holden Commodore is a vehicle that benefits significantly from regular maintenance, and one crucial aspect you cannot overlook is the coolant. Using the right coolant and maintaining it properly is essential for the longevity and optimal performance of your Commodore. Let's dive into understanding the significance of coolant in your vehicle and how to keep it in good shape.

Coolant, often known as antifreeze, is vital because it regulates the engine's temperature, preventing it from overheating. This is critical for ensuring your engine runs smoothly and efficiently, protecting it against damage caused by excessive heat. Not only does it maintain temperature but it also prevents corrosion inside the engine, ensuring that your Commodore remains in top-notch condition.

The 2003 Holden Commodore typically uses a specific type of coolant, usually green or red in colour. It's not just any liquid you can pour into the reservoir. It's formulated with additives that help prevent rust, scaling, and other forms of corrosion that can plague your car's cooling system.

  1. Check Your Coolant Level Regularly: It's not just about topping up, you need to ensure the coolant is at the right level. An ideal time to check is when getting your engine oil checked or before a long trip. Remember, you don't have to open the radiator when it's hot, use the marks on the side of the coolant reservoir.
  2. Stick to the Recommended Coolant: Your Commodore's manual will specify what type of coolant to use. Don't deviate as different cars require different formulations. Mixing different coolants can lead to a chemical reaction or less effective cooling.
  3. Flush the System: The cooling system should be flushed periodically to remove old fluid, debris, and contaminants that can hinder cooling efficiency. This involves draining the old coolant and replacing it with new fluid. For the Holden Commodore, doing this every two years or 40,000 km is generally advised.
  4. Inspect for Leaks: Keep an eye out for signs of leaking around the radiator, hoses, or the engine as a whole. Even a small leak can be a sign of damage or wear that could lead to bigger problems down the road.
  5. Monitor Engine Temperature: If the dashboard gauge shows rising temperatures, it might indicate a coolant issue. This could range from low fluid levels to a blockage within the system.

Now, getting hands-on with your coolant might not be everyone's cup of tea. If you're not confident or if it's been a while since you last checked, getting a professional to take a look during regular servicing would be a wise choice. They'll not only check the levels and concentrations but also ensure there are no leaks, and the system is running correctly.

It's a good idea to also consider weather conditions affecting the coolant's performance. While antifreeze has properties to withstand cold temperatures, extreme conditions can sometimes require additional checks. Ensuring the concentration meets the ambient temperatures where you are driving is essential.

Coolant is crucial not just for performance but also for preserving the longevity of the engine. An overheated engine can suffer severe damage, leading to costly repairs. Staying on top of coolant maintenance is a proactive measure to avoid such hassles.

Delving into some FAQs can also be helpful:

  • What happens if I mix coolant types? Using the wrong type can cause chemical reactions that reduce efficiency or lead to blockages.
  • How do I know if the radiator is faulty? Look for leaks, noise, or a rise in operating temperature during normal use.
  • Can I use water instead? While water can be a temporary fix, it's not sufficient for long-term use due to its lack of anti-corrosion properties and lower boiling point.

So, keep your 2003 Holden Commodore running smoothly by ensuring your coolant system is well maintained. Regular checks and timely replacement will keep those potential hiccups at bay and allow you to enjoy the ride for years to come.