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Parts for your 2018 Holden Commodore-Coolant

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Penrite Radiator Stop Leak 375mL - ADRSL375

Penrite Radiator Stop Leak 375mL - ADRSL375

$30
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GV Demineralised Water 2L - DEMIN-02L

GV Demineralised Water 2L - DEMIN-02L

$6
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Mechpro Round Plastic Funnel 14cm - MPFPLAST

Mechpro Round Plastic Funnel 14cm - MPFPLAST

$6
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T&E Tools Coolant Evacuator and System Tester

T&E Tools Coolant Evacuator and System Tester

$278
Fitment Notes:
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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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Repco 12 Pc Coolant Funnel Set - RST241

Repco 12 Pc Coolant Funnel Set - RST241

$149
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Explore 4WD & Adventure

Mechpro Big Mouth Funnel - MPFBIGM

Mechpro Big Mouth Funnel - MPFBIGM

$6
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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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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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Bedia Liquid Level Coolant Probe - 320408

Bedia Liquid Level Coolant Probe - 320408

$643
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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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Showing 40 - 78 of 134 products

Coolant Maintenance for Your 2018 Holden Commodore

The 2018 Holden Commodore is a fantastic vehicle that requires regular maintenance, and paying attention to its cooling system is no exception. Coolant is indeed a crucial component for the 2018 Holden Commodore as it plays a vital role in regulating the engine's temperature, preventing it from overheating and counteracting freezing in colder climates. Let's dive into what you need to know about coolant replacement and maintenance to ensure your Commodore runs smoothly.

First off, let's talk about why coolant is so essential for your vehicle. The engine in your Commodore produces a lot of heat, and without proper cooling, it would overheat and get damaged. Coolant circulates through the engine, absorbing excess heat and ensuring that the engine remains within its optimal temperature range. Additionally, it prevents rust and corrosion within the engine and radiator, which can lead to leaks and further damage.

You'll want to establish a regular maintenance schedule to keep your Commodore's cooling system in top shape. Ideally, the coolant should be checked at least once a year, but it's wise to inspect it more frequently if you're regularly driving in extreme climates or using your vehicle for heavy-duty purposes. So, when it comes to replacing or maintaining coolant in your 2018 Commodore, where should you start?

  1. Checking the Coolant Level: Pop the bonnet and locate the coolant reservoir. Ensure that the engine is cool before you open the reservoir cap. The coolant level should be between the minimum and maximum markers. If it's low, top it up with the correct type of coolant specified in your vehicle's manual.
  2. Inspecting the Coolant Condition: The coolant should be a bright, usually green or orange colour. If it appears rusty, muddy, or contaminated, it's time for a flush and refill. Contaminated coolant can be detrimental to the engine's efficiency and longevity.
  3. Flushing the Cooling System: It's recommended to flush the cooling system and replace the coolant every 48,000 kilometres or every two years, whichever comes first. This helps to remove any buildup of debris or rust and replenish the additives that prevent corrosion.
  4. Using the Correct Coolant: Always opt for the type of coolant that's recommended in your Commodore's owner manual. Using the wrong type can lead to inefficiencies and even damage your engine. Modern Commodores usually require a long-life coolant, specifically designed to offer extended protection.
  5. Seeking Professional Help: While checking and topping up coolant is manageable for most, a professional technician should handle flushing and replacing the coolant. They have the equipment and expertise to ensure it's done correctly and efficiently.

Once you've dealt with the immediate task of ensuring your coolant is at the correct level and is in good condition, it's essential to consider regular practices that will prolong the performance and life of your vehicle's cooling system. Regularly check the hoses and belts connected to the cooling system for any signs of wear and tear. Cracks, leaks, or fraying are indications that replacement is needed.

Remember that extreme temperatures, whether hot or cold, can put additional strain on your cooling system. During summer, the risk of overheating increases, especially in stop-and-go traffic. In winter, the risk of freezing can damage the cooling system elements if the coolant is not adequately concentrated. Thus, keeping an eye on your vehicle's temperature gauge can help avoid potential issues.

Finally, while maintaining the cooling system is crucial, don't forget the rest of your vehicle's systems. Regular service checks with a certified technician can help identify any other issues before they become serious problems. Keeping up with routine maintenance is the best way to ensure that your 2018 Holden Commodore continues to run smoothly and efficiently for years to come.