Motorex Brake Fluid - Dot 4 - 1 Litre
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Product Information
Full details
This Motorex 300292 DOT 4 brake fluid is designed for vehicle owners and mechanics seeking reliable braking performance under demanding conditions. Its key benefit is a high wet boiling point, providing an extreme safety reserve against vapor lock, ensuring consistent braking power. A crucial caveat is the absolute need to avoid mixing with mineral oils. This premium fluid is suitable for hydraulic disc and drum brakes across motorcycles, cars, and commercial vehicles, offering optimal performance and ultra-fine sensitivity.
All features
| Model Part Number | 300292 |
|---|---|
| Brand | Motorex |
Extended Product Information
FAQs
Can I mix Motorex DOT 4 fluid with my old DOT 3 fluid?
While DOT 4 is backward compatible with DOT 3 systems, it's generally recommended to use the specific DOT rating recommended by your vehicle manufacturer. Mixing can compromise the benefits of DOT 4. Ensure the system is thoroughly flushed if changing from DOT 3 to DOT 4.
How often should I change my brake fluid?
It is recommended to change brake fluid every 1-2 years, or as specified by your vehicle manufacturer. Brake fluid absorbs moisture over time, which lowers its boiling point and can cause corrosion.
What does 'wet boiling point' mean?
The wet boiling point refers to the temperature at which the brake fluid will boil after it has absorbed a certain amount of moisture (typically around 3.7% by volume). A higher wet boiling point indicates better performance over time as the fluid ages.
Can this fluid be used in my car's ABS system?
Yes, this DOT 4 fluid is specially suited for state-of-the-art ABS and ADS systems, providing the necessary performance and sensitivity for these advanced braking technologies.
What should I do if I accidentally mix this fluid with mineral oil?
If this fluid is accidentally mixed with mineral oil, the entire brake system must be thoroughly flushed with a compatible brake fluid, and all seals and components should be inspected for damage. It is highly recommended to replace the fluid and filter, and have the system inspected by a professional mechanic immediately.
Is the yellow color of the fluid significant?
The yellow color is a characteristic of this particular brake fluid. Its primary function is to indicate the fluid type and level. The performance characteristics are determined by its chemical composition and boiling points.
Where can I find the correct brake fluid specification for my vehicle?
Always consult your vehicle's owner's manual for the manufacturer's recommended brake fluid specification (e.g., DOT 3, DOT 4, DOT 5.1).
Troubleshooting
Brake pedal feels spongy after fluid change
Ensure the brake system was properly bled to remove all air. Re-bleed the system if necessary, following the manufacturer's procedure precisely. Check for any leaks in the brake lines or calipers.
Braking performance has decreased significantly
This could indicate vapor lock due to moisture absorption or extreme heat. Ensure the fluid is not old and has been changed according to intervals. Check for any leaks or worn brake components like pads or rotors.
Brake fluid appears cloudy or discolored
Cloudiness can indicate contamination or moisture absorption. Replace the fluid immediately and flush the system. Check for internal corrosion or leaks from components.
Pros and Cons
Pros
- High wet boiling point offers significant safety against brake fade.
- Provides precise and sensitive braking control.
- Compatible with a wide range of vehicles and braking systems.
- Designed to work effectively with modern ABS and ADS.
- Can be mixed with other DOT 4 fluids of the same specification.
Cons
- Strictly cannot be mixed with mineral oil-based fluids.
- Requires adherence to vehicle manufacturer's specified change intervals.
- Yellow fluid color might not be preferred by all users.
Setup, Compatibility & Care
Compatibility:
This fluid is specifically a DOT 4 brake fluid and complies with FMVSS 116 DOT 4, ISO 4925 CLASS 4, SAE J1703, and SAE J1704 standards. It is suitable for all hydraulic disc and drum brake systems on motorcycles, cars, commercial vehicles, and machines that require a DOT 4 specification. It is safe to mix with other brake fluids that meet the same DOT 4 specifications.
WARNING: Under no circumstances should this fluid be mixed with mineral oil-based brake fluids, even in small quantities, as this can lead to severe brake system damage.
Setup:
Always ensure the brake system is clean before filling. Use a clean, dedicated brake fluid dispenser. Follow the vehicle manufacturer's service manual for the correct bleeding procedure.
Care:
Brake fluid is hygroscopic, meaning it absorbs moisture from the atmosphere over time. This absorption lowers the boiling point and can lead to corrosion. It is crucial to observe the vehicle manufacturer's recommended change intervals for brake fluid, typically every 1-2 years, to maintain optimal performance and system longevity. Store the metal container tightly sealed in a cool, dry place to minimize moisture absorption. Once opened, use the contents promptly.