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Parts for your 2018 Toyota Avensis-Coolant

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Repco Heater Tap Valve - RHV4008

Repco Heater Tap Valve - RHV4008

$109
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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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GossFuel Emiss Hose (3/16) 5MM x 1M - FH50L10

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

$17
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Goss Fuel Emiss Hose 6MMx15M PerM - FH60L150M

Goss Fuel Emiss Hose 6MMx15M PerM - FH60L150M

$19
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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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Goss FuelcInjection Hose 8MMx 1M - FI80L10

Goss FuelcInjection Hose 8MMx 1M - FI80L10

$32
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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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Explore 4WD & Adventure

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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Tru-Flow Heater Tap Valve - TFT4008

Tru-Flow Heater Tap Valve - TFT4008

$71
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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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GossFuel Emiss Hose (1/8) 3MM x 1M - FH30L10

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

$22
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Goss Brake Vaccum Hose 12MMx15M-PerM - BV120L150M

Goss Brake Vaccum Hose 12MMx15M-PerM - BV120L150M

$35
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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 Fuel Emiss Hose 4MMx5M - FH40L50

Goss Fuel Emiss Hose 4MMx5M - FH40L50

$67
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Goss Brake Vacuum Hose 9MMx15M PerM - BV90L150M

Goss Brake Vacuum Hose 9MMx15M PerM - BV90L150M

$31
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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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Goss Transmission Cooler Hose 10mm x 5m - TCH100L50

Goss Transmission Cooler Hose 10mm x 5m - TCH100L50

$80
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Goss Fuel Emiss Hose 5MMx15M PerM - FH50L150M

Goss Fuel Emiss Hose 5MMx15M PerM - FH50L150M

$19
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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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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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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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GossFuel Emiss Hose 6.5MM x 1M - FH65L10

GossFuel Emiss Hose 6.5MM x 1M - FH65L10

$17
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Goss Transmission Cooler Hose 13mm x 3m - TCH130L30

Goss Transmission Cooler Hose 13mm x 3m - TCH130L30

$89
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Goss Fuel Inj Hose 8MMx5M - FI80L50

Goss Fuel Inj Hose 8MMx5M - FI80L50

$115
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Goss Elbow Connector Twin Pack - 3mm / 5mm - E03

Goss Elbow Connector Twin Pack - 3mm / 5mm - E03

$31
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Goss Fuel Injection Hose 10MMx1M - FI100L10

Goss Fuel Injection Hose 10MMx1M - FI100L10

$41
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GossFuel Emiss Hose (1/2) 12.5MM x 1M - FH125L10

GossFuel Emiss Hose (1/2) 12.5MM x 1M - FH125L10

$38
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Goss Fuel Emiss Hose 6MMx5M - FH60L50

Goss Fuel Emiss Hose 6MMx5M - FH60L50

$107
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Goss Fuel Inj Hose 10MMx15M PerM - FI100L150M

Goss Fuel Inj Hose 10MMx15M PerM - FI100L150M

$46
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GossFuel Injection Hose 6.5MM x 1M - FI65L10

GossFuel Injection Hose 6.5MM x 1M - FI65L10

$31
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Goss Fuel Emiss Hose 3MMx5M - FH30L50

Goss Fuel Emiss Hose 3MMx5M - FH30L50

$98
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Goss Fuel Emiss Hose 5MMx5M - FH50L50

Goss Fuel Emiss Hose 5MMx5M - FH50L50

$115
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Goss Elbow Connector Twin Pack - 5mm - E01

Goss Elbow Connector Twin Pack - 5mm - E01

$31
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Goss Fuel Inj Hose 10MMx5M - FI100L50

Goss Fuel Inj Hose 10MMx5M - FI100L50

$171
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Showing 1 - 39 of 49 products

2018 Toyota Avensis Coolant: What It Does and How to Keep It in Top Shape

The 2018 Toyota Avensis uses coolant as an essential part of its engine's cooling system. Like most modern vehicles, this car relies on coolant to keep the engine running at the right temperature and prevent overheating. Coolant is definitely relevant and necessary for the 2018 Avensis, so understanding its purpose and maintenance is important for any owner who wants their car to run smoothly for years to come.

Coolant, sometimes called antifreeze, is a special liquid mixture designed primarily to transfer heat away from the engine. When the engine runs, it generates a lot of heat, and without proper cooling, that heat can cause serious damage. The radiator and cooling system use coolant to absorb the heat and release it outside the engine, keeping everything within safe working temperatures. Beyond temperature control, coolant also protects the engine and cooling system components from rust and corrosion, which can shorten the life of the car's radiator, water pump, and other parts.

For the 2018 Toyota Avensis, the manufacturer typically recommends a specific type of coolant formulated to work best with the materials used in its engine and cooling system. Using the correct coolant is important because incompatible fluids can cause scaling, corrosion, or reduced cooling efficiency over time.

One of the most common questions for car owners is how often the coolant should be checked or replaced. For the 2018 Toyota Avensis, Toyota generally suggests inspecting the coolant level regularly, such as during routine servicing or every few months. Replacement intervals for the coolant can vary depending on local driving conditions and climate, but a general guideline is every three to five years or about 100,000 kilometres, whichever comes first.

Regular coolant maintenance has some key benefits:

  • Prevents engine overheating for consistent performance
  • Protects against freezing in colder weather
  • Reduces corrosion and rust buildup within cooling components
  • Helps avoid costly repairs caused by cooling system failures

Monitoring coolant is a good idea because, over time, coolant can become contaminated or lose its chemical properties. Old coolant might not transfer heat as efficiently, or it can become acidic and harm the engine's internals. Plus, leaks can happen, so it's wise to check both the level and colour of the coolant regularly. Fresh coolant usually has a bright colour, like green, orange, or pink, depending on the type Toyota recommends. If it looks rusty, cloudy, or has debris, it's due for a change.

When it comes to topping up or replacing the coolant in the 2018 Toyota Avensis, it is best to follow the Toyota owner's manual guidelines or visit an authorised Toyota service centre. These places can ensure the use of genuine or compatible coolant and also check the whole cooling system for leaks, potential issues with the radiator, hoses, or thermostat. DIY coolant replacement is possible but requires some care, including safely draining the old fluid, flushing the system if necessary, and refilling with the right mix of coolant and water as specified by Toyota.

One handy tip for Avensis owners is to never open the radiator cap or coolant reservoir when the engine is hot. The cooling system is pressurised and hot coolant can spray out, causing burns or injury. It's safest to wait until the engine has cooled down before checking or topping up coolant.

Maintaining the cooling system and coolant levels can also impact your car's fuel efficiency and emissions. An engine that runs too hot or too cold doesn't operate optimally, which can increase fuel consumption and exhaust pollutants. So keeping the coolant in good condition helps the car run better and be a bit kinder to the environment as well.

Having a regular maintenance schedule that includes coolant checks or replacements can extend the life of the 2018 Toyota Avensis' engine and save owners from unexpected breakdowns. If the car starts showing signs like overheating gauges, strange smells, steam from under the hood, or temperature warning lights, these can be signs the coolant system needs attention immediately.

Overall, coolant is not something to overlook with the 2018 Toyota Avensis. It plays a critical role in keeping the engine at the right temperature while protecting parts from damage and corrosion. With simple regular checks and timely replacements, the Avensis will keep performing reliably no matter the trip or season.