Everything You Need To Know About Honda Dot 3 Brake Fluid

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Ensuring the safety and performance of your Honda vehicle requires regular maintenance, and one important component is brake fluid.

In this comprehensive guide, we’ll share with you everything you need to know about Honda DOT 3 brake fluid, from its properties and compatibility to replacement procedures and safety considerations.

What Is Honda DOT 3 Brake Fluid?

Honda DOT 3 brake fluid is a required component in your Honda’s braking system. 

It’s the hydraulic fluid that transmits the pressure from your brake pedal to the brake calipers, which in turn squeeze the brake pads against the rotors, bringing your car to a stop. 

This special fluid is made up of a mix of glycol ethers, borates, antioxidants, and corrosion inhibitors. 

These ingredients work together to ensure that your brake fluid remains effective and safe under various driving conditions.

How Does It Work?

When you press the brake pedal, you’re pushing a piston in the master cylinder. 

This piston forces the brake fluid through the brake lines to the calipers. 

Inside the calipers, the fluid pushes pistons that move the brake pads against the rotors. 

This friction slows down and eventually stops your car.

However, you might have heard of other DOT grades like DOT 4 and DOT 5. 

While they all serve the same purpose, there are some key differences:

Boiling Point: 

DOT 3 has a lower boiling point compared to DOT 4 and DOT 5. 

This means it’s more susceptible to vaporizing under extreme conditions, especially during heavy braking or high temperatures. 

Typically, DOT 3 has a boiling point of around 205°C (401°F), while DOT 4 can reach up to 230°C (446°F) or higher.

Viscosity: 

DOT 3 is generally less viscous than DOT 4 and DOT 5, meaning it flows more easily through the brake system.

Compatibility: 

DOT 3 is compatible with most older vehicles, including many Honda models. 

However, newer models might require DOT 4 or DOT 5.

While you can use any DOT 3 brake fluid in your Honda, Honda-branded DOT 3 is specifically formulated to meet the unique requirements of your vehicle. 

It’s designed to provide optimal performance, reliability, and safety.

Honda DOT 3 Brake Fluid Compatibility

Honda DOT 3 brake fluid is generally compatible with a wide range of Honda models. 

However, it’s important to verify the specific compatibility of your vehicle to ensure optimal performance and safety.

The most accurate way to determine the recommended brake fluid for your Honda is to consult your owner’s manual.

This document will provide detailed information on the specific DOT grade required for your model, including any model-specific exceptions.

Using the wrong type of brake fluid can have negative consequences. 

Incompatible brake fluid can:

  • Reduce braking performance
  • Increase wear and tear on brake components
  • Create safety hazards

With that said, If your Honda model requires a different DOT grade, such as DOT 4 or DOT 5, you can find suitable options at most auto parts stores and online retailers. 

Be sure to choose a reputable brand that meets the necessary quality standards.

How Often Should Honda DOT 3 Brake Fluid Be Replaced?

The recommended replacement interval for Honda DOT 3 brake fluid varies depending on your driving conditions and vehicle age.

However, a general guideline is to replace it every two to three years.

There are several factors can influence how quickly your brake fluid degrades:

  • ​Aggressive driving, frequent hard braking, or heavy towing can accelerate brake fluid deterioration.
  • Driving on dusty, rough roads can expose your brake fluid to contaminants.
  • Extreme temperatures, high humidity, or harsh weather can affect brake fluid performance.
  • ​Older vehicles may require more frequent brake fluid replacements due to the natural aging process.

Signs Of Contaminated Or Degraded Brake Fluid

While brake fluid replacement should be part of your regular maintenance schedule, there are also signs to watch for that may indicate the need for a change:

Darkened or discolored fluid: 

Healthy brake fluid should be clear or slightly amber-colored. 

If it’s dark brown or has a milky appearance, it may be contaminated.

Spongy brake pedal: 

A soft or spongy brake pedal can be a sign of low or contaminated brake fluid.

Reduced braking performance:

If you notice that your brakes are not performing as effectively as they used to, it could be due to degraded brake fluid.

It’s recommended to have your brake fluid inspected by a qualified mechanic as part of your regular vehicle maintenance. 

They can check the fluid level, and condition, and look for any signs of issues.

Is Honda DOT 3 Brake Fluid Safe To Use?

Yes, Honda DOT 3 brake fluid is designed to be safe for use in your Honda vehicle.

It’s a high-quality product that meets or exceeds industry safety standards.

Honda DOT 3 brake fluid undergoes rigorous testing and certification to ensure its quality and reliability.

This process includes checks for:

While Honda DOT 3 brake fluid is generally safe, it’s important to remember that proper maintenance is important for ensuring the safe and effective performance of your brakes.

This includes:

  • Have your brake fluid levels checked as part of your routine maintenance.
  • Follow the recommended replacement intervals for your specific Honda model.
  • Keep the brake fluid reservoir clean and free of contaminants.

Where To Buy Honda DOT 3 Brake Fluid

Here are some options with prices and essential details:

  1. AutoZone
  • Product: ShopPro DOT 3 Brake Fluid (12 oz)
  • Price: $4.49
  • Link: AutoZone
  • Details: Check local store availability for pickup or opt for standard delivery.
  1. Honda Parts Now
  • Product: Genuine Honda DOT 3 Brake Fluid (part # CU08740)
  • Price: $4.99
  • Link: Honda Parts Now
  • Details: This is an OEM product backed by a 12-month warranty. It ships directly from authorized Honda dealers.
  1. Bernardi Parts
  • Product: Honda DOT 3 Brake Fluid (32 oz)
  • Price: $12.30
  • Link: Bernardi Parts
  • Details: Free shipping on orders over $99. Warranty is provided for 12 months.
  1. Amazon
  • Product: Genuine Honda 08798-9008 Brake Fluid DOT 3
  • Price: Varies (check the link for current pricing)
  • Link: Amazon
  • Details: Known for quality and reliability in Honda vehicles.
  1. College Hills Honda
  • Product: Honda Brake Fluid (part # 08798-9008)
  • Price: $5.92 (retail price $7.05)
  • Link: College Hills Honda
  • Details: Competitive pricing with a focus on Honda parts.
  1. Walmart
  • Product: New Genuine Honda Brake Fluid DOT 3 (12 oz)
  • Price: Check the link for current pricing
  • Link: Walmart
  • Details: Available for online order or in-store pickup.

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