Car brake system Renault Sandero 1

Brake system — features of the device
The Renault/Dacia Sandero is equipped with two independent brake systems: service and parking. The first, equipped with a hydraulic drive with a vacuum booster and an anti-lock braking system (depending on the...

Checking the efficiency of the braking system
It is advisable to check the efficiency of the brake system on special brake stands (similar to those used during technical inspection of vehicles). In extreme cases, an approximate comprehensive assessment of the...

Checking the tightness of the hydraulic brake drive
To prevent sudden failure of the brake system, carefully check the condition of all pipelines. Replace parts with new ones if there is the slightest doubt about their suitability. All rubber parts of brake assemblies...

Checking and adjusting the brake pedal
Correct position of the brake pedal when free and pressed all the way down (working stroke of the pedal) serves as one of the criteria for checking the serviceability of the brake system. At the same time, the position...

Checking the operation of the brake booster
When the vacuum booster fails, the force on the brake pedal increases significantly, which negatively affects vehicle control. If the pedal effort when braking is noticeably greater than usual, check the brake booster...

Checking the degree of wear of brake pads, discs and drums
You will need a caliper or a ruler. 1. Place the vehicle on a lift or jack (coasters). 2. Remove the front wheel. 3. Check the condition of the brake pads through the hole in the brake caliper housing. If the thickness...

Checking the parking brake
The parking brake should hold the car on a 25% slope when the lever inside the car is moved 5-7 teeth (clicks) ratchet device. 1. To check the correct adjustment of the parking brake, find an overpass or loading ramp...

Bleeding the hydraulic brake system
The brake hydraulic drive is bled to remove air that has entered it when filling with fluid after its replacement or after repair of hydraulic drive units associated with its depressurization. Signs of air in the...

Replacing brake fluid
According to the manufacturer's recommendation, brake fluid should be replaced after 6 years of operation or 90 thousand km of mileage (whichever comes first). Recommendation: Brake fluid is very hygroscopic (absorbs...

Master brake cylinder
As practice shows, in many cases, repairing the cylinder in a garage does not lead to the desired result, so in case of a malfunction, we recommend replacing the main brake cylinder as a whole. Replacing the master...

Replacing the master brake cylinder
You will need: a special key «at 11» for brake pipes, key «on 13». 1. Disconnect the wire from the terminal «minus» battery. 2. Unscrew the cap of the master brake cylinder reservoir and pump out the brake fluid from...

Replacing the vacuum booster
The vacuum brake booster is a complex, difficult to disassemble structure. Its adjustment and repair require qualified personnel and special equipment. In addition, the booster is a device that directly affects traffic...

Replacing the brake force regulator in the rear brake hydraulic drive
The brake force regulator in the rear brake hydraulic drive is a complex, difficult to disassemble structure. Its adjustment and repair require qualified personnel and special equipment. In addition, the regulator is a...

Replacement of hydraulic brake hoses and lines
Replace hoses and tubes if they are damaged. In addition, we recommend replacing hoses every 100,000 km or 5 years of vehicle operation as a preventive measure (whichever comes first), even if they appear to be...

Replacing brake hoses
You will need a special key «at 11» for brake lines. 1. To replace the rear wheel brake hose, unscrew the nut securing the brake pipe to the lower end of the hose... 2.... remove the tip from the bracket on the body and...

Replacing brake pipes
The connections of the tubes with all brake system units and hoses, as well as the principles of their replacement, are the same. All tube nuts are key-type «at 11». Note: The work is shown using the example of a tube...

Replacing the brake pads of the front wheel brake mechanism
Check the condition of your brake pads at every service (see « Checking the degree of wear of brake pads, discs and drums »). Brake pads must be replaced if the linings are worn, the linings are not firmly connected to...

Replacing the front wheel brake caliper
You will need: keys «at 11», «at 18». 1. Remove the wheel from the side of the caliper being removed. 2. Loosen the brake hose tip. Helpful Hint: Place a container underneath to catch any remaining brake fluid from the...

Replacing the brake disc
If there are burrs, deep scratches and other defects on the working surface of the disc that increase pad wear and reduce braking efficiency, as well as in the case of increased lateral runout of the disc that causes...

Rear wheel brakes — removing and installing the brake drum
The brake drum is removed for replacement if the working surface is damaged or worn (the maximum permissible drum diameter for a car with a 1.4 l engine is 181.25 mm, and for a 1.6 l engine it is 204.45 mm), as well as...

Replacing the brake pads of the rear wheel brake mechanism
With the minimum permissible thickness of the friction linings of the brake shoes, the size measured by the diameter of the shoes installed in the brake mechanism with the clearance adjuster restored to its initial...

Replacing the rear wheel brake slave cylinder
If during operation there are leaks of brake fluid on the brake drum and the inner side of the wheel, or the pistons are jammed in the cylinder, replace the slave cylinder. You will need: key «by 10» (a socket head is...

Adjusting the parking brake drive
The parking brake should hold the car on a 25% slope when the lever inside the car is moved 5-7 teeth (clicks) ratchet device. If necessary, the parking brake drive is adjusted from the passenger compartment. You will...

Replacing the parking brake cables
Replace the parking brake cables if they are excessively stretched (impossibility of adjusting the parking brake), mechanical damage and loss of mobility of the rear cables in the casings. Helpful advice: Some drivers,...

Removing and installing the parking brake lever
The parking brake drive lever, installed in the passenger compartment on the body base, is a non-separable structure; if the toothed sector or pawl is damaged, it must be replaced as an assembly. You will need: all the...