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Parts for your 2021 Honda Cr-v-Coolant

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Penrite Radiator Flush Additive 375mL - ADRF375

Penrite Radiator Flush Additive 375mL - ADRF375

$27
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Mechpro Long Multi-Purpose Funnel - MPFLNG

Mechpro Long Multi-Purpose Funnel - MPFLNG

$8
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Repco Cooling System Flush 300ml

Repco Cooling System Flush 300ml

$16
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Explore 4WD & Adventure

Mechpro Round Flexible Funnel 14cm - MPFFLEX

Mechpro Round Flexible Funnel 14cm - MPFFLEX

$6
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K-SEAL Ultimate Head Gasket Repair - K3501

K-SEAL Ultimate Head Gasket Repair - K3501

$102
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Sealwell Coolant System Conditioner 2 Pack - T51012

Sealwell Coolant System Conditioner 2 Pack - T51012

$27
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Rislone Hy-Per Cool Super Coolant 473ml - 41300

Rislone Hy-Per Cool Super Coolant 473ml - 41300

$39
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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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GV Demineralised Water 5L - DEMIN-05L

GV Demineralised Water 5L - DEMIN-05L

$12
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Mechpro Round Plastic Funnel 14cm - MPFPLAST

Mechpro Round Plastic Funnel 14cm - MPFPLAST

$6
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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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T&E Tools Coolant Evacuator and System Tester

T&E Tools Coolant Evacuator and System Tester

$278
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Mechpro Big Mouth Funnel - MPFBIGM

Mechpro Big Mouth Funnel - MPFBIGM

$6
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Repco 12 Pc Coolant Funnel Set - RST241

Repco 12 Pc Coolant Funnel Set - RST241

$149
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Rislone Head Gasket Fix 680g - 41111

Rislone Head Gasket Fix 680g - 41111

$101
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Rislone Radiator Stop Leak 325mL - 41196

Rislone Radiator Stop Leak 325mL - 41196

$20
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Mechpro 3pc Round Funnel Set - MPF3PC

Mechpro 3pc Round Funnel Set - MPF3PC

$12
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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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Mechpro 3 in 1 Funnel with Strainer - MPF3IN1

Mechpro 3 in 1 Funnel with Strainer - MPF3IN1

$15
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Goss Fuel Emiss Hose 6MMx15M PerM - FH60L150M

Goss Fuel Emiss Hose 6MMx15M PerM - FH60L150M

$19
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Irontite Coolant System Sealer 600g - 960101

Irontite Coolant System Sealer 600g - 960101

$67
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Nulon Radiator Flush & Clean 300mL - R40
Clearance

Nulon Radiator Flush & Clean 300mL - R40

$18
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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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Toledo Coolant Filler Funnel Set - 305092

Toledo Coolant Filler Funnel Set - 305092

$224
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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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Goss Fuel Injection Hose 10MMx1M - FI100L10

Goss Fuel Injection Hose 10MMx1M - FI100L10

$41
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Showing 1 - 39 of 104 products

Understanding the Coolant System in the 2021 Honda CR-V

The 2021 Honda CR-V, like most modern vehicles, relies heavily on a properly functioning coolant system to keep the engine running smoothly and efficiently. Coolant plays a critical role in maintaining the optimal operating temperature of the engine, ensuring it neither overheats nor becomes too cold.

In the 2021 Honda CR-V, coolant is very much a relevant and essential component. This vehicle uses a liquid coolant called an engine antifreeze mixture, which circulates through the engine and radiator to absorb and dissipate heat. As the engine works, it generates a lot of heat from burning fuel and friction. Without coolant, that heat would build up quickly, leading to overheating that can cause serious engine damage. This is why understanding the purpose of coolant and maintaining it correctly is important for every CR-V owner.

The coolant in the CR-V typically consists of a mixture of water and ethylene glycol or propylene glycol. This blend not only cools the engine but also offers freeze protection in colder climates and prevents corrosion within the cooling system. The 2021 CR-V usually uses Honda's recommended type of coolant, which is a long-life antifreeze, designed to last up to 10 years or 240,000 kilometres under normal driving conditions.

Replacing or maintaining the coolant is a key part of regular servicing for the 2021 Honda CR-V. Over time, coolant can lose its effectiveness due to contamination, breakdown of chemical properties, or dilution from leaks or evaporation. This leads to a reduced ability to protect the engine from overheating or freezing. If neglected, it can also cause buildup of rust and scale inside the radiator and hoses, increasing the risk of costly repairs down the track.

When it comes to coolant maintenance, the 2021 Honda CR-V's service schedule usually recommends a coolant flush and replacement every 5 years or around 160,000 kilometres, whichever comes first. However, this can vary depending on driving conditions, climate, and individual usage. It's a good idea to have the cooling system inspected at regular intervals, especially if the vehicle is often used in hot weather, tow heavy loads, or undertake stop-start city driving where engine temperatures can fluctuate a lot.

Checking the coolant level is something any CR-V owner can do themselves between services. The coolant reservoir is usually translucent and marked with minimum and maximum level indicators, making it easy to spot if the levels are low. Never just add water if you notice low levels, always top up with the correct type of coolant or a premixed antifreeze solution. Using the wrong coolant type or mixing different brands can lead to chemical reactions that reduce performance and may damage the cooling system components.

During a coolant replacement service, mechanics will usually drain the old coolant, flush the cooling system to remove any dirt or rust, and then refill with fresh coolant up to the proper levels. This process helps maintain the system's efficiency and prolongs the life of the radiator, water pump, thermostat, and hoses.

Apart from coolant condition and levels, keeping an eye out for leaks and the overall health of the cooling system is important. Symptoms like engine overheating, low coolant warning lights, sweet smells under the bonnet, or visible leaks around hoses and the radiator should prompt immediate attention. Early fixes can save a lot of hassle and expense in the long term.

In short, for the 2021 Honda CR-V, coolant is definitely a relevant and vital part of the vehicle's operation. Proper maintenance and timely replacement not only protect the engine but also help maintain fuel efficiency and minimise emissions by allowing the engine to run at the correct temperature. Whether it is a casual commuter or a weekend adventurer out in the bush, keeping the coolant system in tip-top shape will keep the CR-V running reliable and smooth for years.