How to adjust the brakes on a diesel vehicle with hydraulic brakes?

2 Answers
Menezes
07/29/25 1:05am
Hydraulic brakes on vehicles cannot be adjusted as they are a transmission system of oil pump pressure. The only requirement is to ensure sufficient brake fluid. To add brake fluid, follow these steps: 1. Open the driver's side door and pull the hood release lever located on the left side near the driver's leg. 2. Lift the engine hood upwards and secure it with the support rod. 3. Top up the specified brake fluid to the MAX level. Additional information: 1. The hydraulic brake system is simple in structure and requires minimal installation space, consisting only of the master cylinder, wheel cylinders, fluid reservoir, and connecting pipelines, without the need for additional auxiliary equipment. 2. Hydraulic brakes have a slightly slower response time but provide a gentler and less forceful braking action, whereas air brakes respond more quickly but deliver a harsher and more forceful braking effect.
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EleanorRose
08/12/25 5:14am
For hydraulic brake adjustment in diesel vehicles, as someone who has been driving for decades, I believe the key is to first check if the brake fluid level is normal to prevent air from entering the system, which can cause soft brakes. If the pedal free play is too large, you may need to adjust the adjustment bolt under the pedal: loosening it slightly can reduce the free play and make the brakes more responsive. However, if the brakes are too stiff and the travel is too short, you should tighten it to add a bit of slack to prevent premature wear. After adjustment, always test drive to ensure the brakes are smooth, without any strange noises or dragging issues. Regularly monitor the wear of the brake pads and replace them in time to avoid major repairs. I recommend checking the brake system every 5,000 kilometers to extend the vehicle's lifespan and save fuel.
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