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Parts for your 2003 Holden Commodore-Coolant

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T&E Tools Coolant Evacuator and System Tester

T&E Tools Coolant Evacuator and System Tester

$278
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GossFuel Emiss Hose (5/16) 8MM x 1M - FH80L10

GossFuel Emiss Hose (5/16) 8MM x 1M - FH80L10

$17
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Dayco Coolant Expansion Tank - DET0021

Dayco Coolant Expansion Tank - DET0021

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$127
Fitment Notes:
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Repco 12 Pc Coolant Funnel Set - RST241

Repco 12 Pc Coolant Funnel Set - RST241

$149
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Mechpro Big Mouth Funnel - MPFBIGM

Mechpro Big Mouth Funnel - MPFBIGM

$6
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Explore 4WD & Adventure

Mechpro 3pc Round Funnel Set - MPF3PC

Mechpro 3pc Round Funnel Set - MPF3PC

$12
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Rislone Radiator Stop Leak 325mL - 41196

Rislone Radiator Stop Leak 325mL - 41196

$20
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GossFuel Emiss Hose (3/16) 5MM x 1M - FH50L10

GossFuel Emiss Hose (3/16) 5MM x 1M - FH50L10

$17
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Rislone Aluminium Radiator Stop Leak 479g - 41186

Rislone Aluminium Radiator Stop Leak 479g - 41186

$32
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Repco Heater Tap Valve - RHV5631

Repco Heater Tap Valve - RHV5631

$82
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Rislone Head Gasket Fix 680g - 41111

Rislone Head Gasket Fix 680g - 41111

$101
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Irontite Coolant System Sealer 600g - 960101

Irontite Coolant System Sealer 600g - 960101

$67
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Goss Fuel Emiss Hose 6MMx15M PerM - FH60L150M

Goss Fuel Emiss Hose 6MMx15M PerM - FH60L150M

$19
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Mechpro 3 in 1 Funnel with Strainer - MPF3IN1

Mechpro 3 in 1 Funnel with Strainer - MPF3IN1

$15
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Toledo Coolant Filler Funnel Set - 305092

Toledo Coolant Filler Funnel Set - 305092

$224
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Goss Transmission Cooler Hose 8mm x 1m - TCH80L10

Goss Transmission Cooler Hose 8mm x 1m - TCH80L10

$22
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Nulon Radiator Flush & Clean 300mL - R40
Clearance

Nulon Radiator Flush & Clean 300mL - R40

$18
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OEX Coolant Expansion Tank
OEX

OEX Coolant Expansion Tank

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$84
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Goss Coolant Temperature Sensor - CS843

Goss Coolant Temperature Sensor - CS843

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$122
Fitment Notes:
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Bedia Liquid Level Coolant Probe - 320408

Bedia Liquid Level Coolant Probe - 320408

$643
Fitment Notes:
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Goss FuelcInjection Hose 8MMx 1M - FI80L10

Goss FuelcInjection Hose 8MMx 1M - FI80L10

$32
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Mechpro Multi-Purpose Funnel - MPFMULTI

Mechpro Multi-Purpose Funnel - MPFMULTI

$6
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Repco Radiator Cooling System Kit - RTT1019

Repco Radiator Cooling System Kit - RTT1019

$906
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GossFuel Emiss Hose (1/4) 6MM x 1M - FH60L10

GossFuel Emiss Hose (1/4) 6MM x 1M - FH60L10

$17
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VDO Temperature Sensor 1/8 - 27NPT Stud Terminals - 320.093
VDO

VDO Temperature Sensor 1/8 - 27NPT Stud Terminals - 320.093

$75
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Goss Transmission Cooler Hose 10mm x 1m - TCH100L10

Goss Transmission Cooler Hose 10mm x 1m - TCH100L10

$24
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GossFuel Emiss Hose (3/8) 10MM x 1M - FH100L10

GossFuel Emiss Hose (3/8) 10MM x 1M - FH100L10

$21
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Repco Oil Extractor 6L - ROE6L

Repco Oil Extractor 6L - ROE6L

$253
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Mechpro Giant Funnel - MPFGNT
Clearance

Mechpro Giant Funnel - MPFGNT

$5
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Wynn's Radiator Flush 325mL - 65332
Clearance

Wynn's Radiator Flush 325mL - 65332

$25
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Penrite Radiator Oil Remover 375ml - ADROR375

Penrite Radiator Oil Remover 375ml - ADROR375

$35
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Mechpro Super Quick Fill Funnel - MPFQUICK

Mechpro Super Quick Fill Funnel - MPFQUICK

$17
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Showing 40 - 78 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.