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Parts for your 2003 Holden Commodore-Coolant

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Mechpro Super Quick Fill Funnel - MPFQUICK

Mechpro Super Quick Fill Funnel - MPFQUICK

$17
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Mechpro Square Locking Funnel - MPFSQU

Mechpro Square Locking Funnel - MPFSQU

$8
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Repco Heater Tap Valve - RHV4008

Repco Heater Tap Valve - RHV4008

$109
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Toledo Low Profile Oil Drain Pan 20L - 305089

Toledo Low Profile Oil Drain Pan 20L - 305089

$302
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GossFuel Emiss Hose (5/32) 4MM x 1M - FH40L10

GossFuel Emiss Hose (5/32) 4MM x 1M - FH40L10

$15
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Tru-Flow Heater Tap Valve - TFT4008

Tru-Flow Heater Tap Valve - TFT4008

$71
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Explore 4WD & Adventure

Gates Radiator Hose Upper - 05-1760

Gates Radiator Hose Upper - 05-1760

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$89
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Tru-Flow Heater Tap Valve - TFT5631

Tru-Flow Heater Tap Valve - TFT5631

$67
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Goss Brake Vaccum Hose 12MMx15M-PerM - BV120L150M

Goss Brake Vaccum Hose 12MMx15M-PerM - BV120L150M

$35
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GossFuel Emiss Hose (1/8) 3MM x 1M - FH30L10

GossFuel Emiss Hose (1/8) 3MM x 1M - FH30L10

$22
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Mackay Heater Tap Valve - Camry 92-97 Lexus - HV3020M

Mackay Heater Tap Valve - Camry 92-97 Lexus - HV3020M

$108
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Goss Brake Vacuum Hose 9MMx15M PerM - BV90L150M

Goss Brake Vacuum Hose 9MMx15M PerM - BV90L150M

$31
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Goss Fuel Emiss Hose 4MMx5M - FH40L50

Goss Fuel Emiss Hose 4MMx5M - FH40L50

$67
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Goss Transmission Cooler Hose 10mm x 15m - TCH100L150

Goss Transmission Cooler Hose 10mm x 15m - TCH100L150

$206
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Gates Moulded Heater Hose - 02-1122

Gates Moulded Heater Hose - 02-1122

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$99
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Gates Moulded Heater Hose - 02-1121

Gates Moulded Heater Hose - 02-1121

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$74
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Gates Moulded Heater Hose - 02-1120

Gates Moulded Heater Hose - 02-1120

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$67
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Goss Fuel Emiss Hose 5MMx15M PerM - FH50L150M

Goss Fuel Emiss Hose 5MMx15M PerM - FH50L150M

$19
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VDO Low Water Level Probe 30mm Long - 230.058
VDO

VDO Low Water Level Probe 30mm Long - 230.058

$143
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Goss Transmission Cooler Hose 13mm x 60m - TCH130L600

Goss Transmission Cooler Hose 13mm x 60m - TCH130L600

$2,082
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Goss Transmission Cooler Hose 13mm x 5m - TCH130L50

Goss Transmission Cooler Hose 13mm x 5m - TCH130L50

$116
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Gates Radiator Hose Lower - 05-1762

Gates Radiator Hose Lower - 05-1762

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$71
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VDO Temperature Switch 1/4 - NPTF - 320.714
VDO

VDO Temperature Switch 1/4 - NPTF - 320.714

$644
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OEX  Temperature Sensor - CCS31

OEX Temperature Sensor - CCS31

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$134
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Goss Air Temperature Sensor - AT330

Goss Air Temperature Sensor - AT330

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$92
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Goss Vacuum Hose 3MMx15M PerM - VT30L150M

Goss Vacuum Hose 3MMx15M PerM - VT30L150M

$13
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Goss Transmission Cooler Hose 10mm x 30m - TCH100L300

Goss Transmission Cooler Hose 10mm x 30m - TCH100L300

$344
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Mackay Lower Radiator Hose - CH3346

Mackay Lower Radiator Hose - CH3346

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$196
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Goss Transmission Cooler Hose 8mm x 15m - TCH80L150

Goss Transmission Cooler Hose 8mm x 15m - TCH80L150

$155
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Goss Transmission Cooler Hose 8mm x 5m - TCH80L50

Goss Transmission Cooler Hose 8mm x 5m - TCH80L50

$87
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Gates Radiator Hose - 05-1761

Gates Radiator Hose - 05-1761

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$77
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Showing 79 - 117 of 150 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.