Motul DOT 5.1 Long Life Fully Synthetic Brake & Clutch Fluid - 5 Litres

100% Synthetic brake fluid on a polyglycol base for all types of hydraulic actuated brake and clut...

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This guide is for anyone using Motul DOT 5.1 Long Life brake fluid in their vehicle's brake or clutch system. The primary benefit of using this fluid is its superior performance and longevity compared to standard fluids, especially in high-stress situations. However, it's crucial to follow the manufacturer's recommendations for oil changes, typically between 12 to 24 months, to maintain optimal performance. This guide covers everything from its features to setup and maintenance.

All features

Model Part Number100952
BrandMOTUL

Extended Product Information

FAQs

What is the difference between DOT 3, DOT 4, and DOT 5.1 brake fluids?

DOT 3, DOT 4, and DOT 5.1 are glycol-based brake fluids. DOT 5.1 generally has a higher boiling point than DOT 3 and DOT 4, offering better performance at high temperatures. Always check your vehicle's manual for the recommended fluid.

Can I mix Motul DOT 5.1 with other brake fluids?

You can mix Motul DOT 5.1 with DOT 3, DOT 4, and DOT 5.1 NON SILICONE BASE fluids. *Do not mix with silicone (DOT 5) or mineral-based fluids.*

How often should I change the brake fluid?

The recommended interval is every 12 to 24 months, or as recommended by your vehicle manufacturer. For safety, draining once a year is recommended.

What happens if I use the wrong type of brake fluid?

Using the wrong type of brake fluid can damage your braking system, leading to reduced braking performance and potential safety hazards. Always consult your vehicle's manual.

Where should I store Motul DOT 5.1 brake fluid?

Store the brake fluid in its original, tightly sealed container, away from moisture and direct sunlight.

Is Motul DOT 5.1 safe for ABS systems?

Yes, Motul DOT 5.1 is specially designed and safe for use in vehicles equipped with anti-lock braking systems (ABS).

What should I do if brake fluid spills on my skin?

Rinse the affected area thoroughly with water. If irritation persists, seek medical attention.

What are the boiling points of Motul DOT 5.1?

The dry boiling point is 270 °C (518 °F), and the wet boiling point is 185 °C (365 °F).

Troubleshooting

Spongy brake pedal feel.

Bleed the brake system to remove any air that may have entered. Check for leaks in the brake lines.

Brakes feel less effective after fluid change.

Ensure the brake system was bled properly and that the correct fluid was used. Check for any leaks.

ABS system malfunctions.

Check the ABS sensors and the ABS unit itself. Consult a professional mechanic if necessary. Ensure the fluid level is correct.

Brake fluid leaking.

Inspect brake lines, calipers, and master cylinder for leaks. Repair or replace any damaged components.

Pros and Cons

Pros

  • Superior braking performance under high temperatures.
  • Longer service life compared to standard brake fluids.
  • Compatible with a wide range of braking systems.
  • Enhanced protection for ABS systems.
  • Helps prevent corrosion.
  • Meets or exceeds industry standards (FMVSS 116, SAE J1703, ISO 4925).

Cons

  • Requires proper disposal of used fluid.
  • Must be stored correctly to avoid moisture absorption.
  • Incompatible with silicone (DOT 5) or mineral-based fluids.
  • Can be aggressive if it comes into contact with skin or paint.
  • Requires adherence to manufacturer's service intervals.

Setup, Compatibility & Care

  1. Compatibility: Ensure Motul DOT 5.1 is compatible with your vehicle's brake system. It's suitable for systems requiring DOT 3, DOT 4, and DOT 5.1 NON SILICONE BASE fluids. *Do not mix with DOT 5 silicone-based or mineral-based fluids.*
  2. Procedure: Follow your vehicle manufacturer's recommendations for brake fluid replacement. This typically involves bleeding the brake system to remove air and old fluid.
  3. Storage: Store the brake fluid in its original container, tightly sealed, to prevent moisture absorption. Keep it away from direct sunlight and extreme temperatures.
  4. Handling: Brake fluid is an aggressive chemical. Avoid contact with skin, paint, and varnish. If contact occurs, rinse thoroughly with water.
  5. Service Intervals: Replace the fluid every 12 to 24 months, or as recommended by your vehicle manufacturer. For safety, draining once a year is recommended.

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