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How often should the brake fluid be replaced for the Envision?

2 Answers

StKatherine

07/29/25 6:20pm

The brake fluid for the Envision should be replaced every 15 months or 25,000 kilometers as specified by the manufacturer. Below is relevant information about brake fluid: 1. The function of brake fluid is to transmit the braking pressure to the brake pistons at all four wheels, pushing the pistons to clamp the brake pads and discs, thereby achieving the braking effect. 2. Brake fluid is also highly hygroscopic, gradually absorbing moisture from the surrounding air and deteriorating over time. When brake fluid containing moisture is pressurized, the moisture can vaporize and create bubbles, leading to a spongy brake pedal, significantly impairing braking performance and potentially corroding the brake lines. 3. As the brake pads wear and the piston calipers adjust, the brake fluid level will gradually decrease. When the fluid level falls below the minimum mark, the brake system warning light on the dashboard will illuminate. At this point, simply topping up the brake fluid to the proper level is sufficient.

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OJuliette

08/14/25 11:00am

As an Envision owner for five or six years, I've always insisted on changing the brake fluid every two years. This prevents the fluid's boiling point from dropping due to moisture absorption, which can cause brake softening or failure, especially during long-distance driving. Brake fluid is like the lifeline of the braking system. If not replaced regularly, accumulated moisture can corrode internal components and increase braking distance, which is particularly dangerous for mountain road driving. Personally, I make it a habit to get a moisture content test at the 4S shop annually. If it exceeds 3%, I replace it ahead of schedule even if it hasn't been two years yet. It's cost-effective and life-saving—safety comes first, and it's much cheaper than repairs. As you know, these small things can't be taken lightly. Spending a hundred or so on fluid change is far better than regretting after an accident.

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