Brake system of the car Renault 19

The braking system is the most important safety device in a vehicle. The braking system in everyday driving often works at maximum loads. Therefore, conscientious control and maintenance of the state of the brake system is vital.

Do-it-yourself brake system maintenance
Your life may depend on the correct and reliable operation of your Renault 19 brakes under certain circumstances. You should always remember this if you want to repair the brake system yourself. Constantly monitor the...

Brake fluid — general information
The fluid in the brake lines and brake cylinders is a mixture of glycol and other components. This yellowish liquid is poisonous and aggressive against car varnish, but does not affect metal and rubber parts. It remains...

Checking the brake fluid level
Constant control With normal wear of disc brakes, the fluid level, even with a functioning brake system, decreases. The pistons of the wheel brake cylinders move out further and further from the cylinders as the brake...

Checking the brake system for leaks and damage
To perform the inspection, the bottom of the car must be dry so that you can identify leaky areas. Brake fluid shows up even under dirt. Wet-dark spots or black dirt indicate the location of a brake fluid leak. 1. Check...

Brake discs
With the wheel removed, you can see the following elements of the disc brake system: 1 - dust seal for upper caliper mount; 2 - brake hose; 3 - bleed nipple with dust cap; 4 - caliper with brake cylinder piston housing;...

Measuring the thickness of brake shoe linings
Despite the wear of the brake pads, the brake pedal travel does not increase, since the piston of the brake cylinder, moving out, provides a constant equal distance between the pads and the brake disc. Therefore, it is...

Checking the condition of the brake discs
If the front wheels have been removed to check the brake pads, the condition of the brake discs must be checked. 1. There should be no deep scratches on the discs (from dirt or excessively worn brake pads). Risks on...

Replacing brake pads
It is essential to change both brake pads. In this case, use only pads with ABE. Since the pistons in the brake caliper gradually move further and further out of the brake cylinders as the pads wear, they must be...

Rear wheel brakes
With the rear wheel removed, you can see the following components of the disc brakes: 1 - brake disc; 2 - support; 3 - wedge with locking pin; 4 - parking brake lever with cable end; 5 - brake cylinder housing; 6 -...

Measuring the thickness of the rear brake pads
Thickness of brake pads (together with the supporting part) must be at least 5 mm. At the same time, it is necessary to check the condition of the brake discs. This is done in the same way as we described for the front...

Replacing rear disc brake pads
Replacement of rear brake pads is performed simultaneously on both wheels. Use only brake pads with ABE. To allow the pistons in the brake calipers to extend further out of the brake cylinder as the brake pads wear out,...

Rear drum brakes
Rear brake drum components 1 - clamping safety washer; 2 - brake mechanism shield; 3 - passive brake shoe; 4 - dust seal of the wheel brake cylinder; 5 - wheel brake cylinder; 6 - upper tension spring; 7 - active brake...

Checking the thickness of drum brake linings
The thickness of the brake shoe linings can be checked through the hole in the brake shield. To do this, shine a flashlight into this hole. To accurately measure the thickness of the brake shoe linings, it is necessary...

Checking the brake pedal travel
Automatic brake adjustment mechanism 1 - passive brake shoe; 2 - manual brake pad drive lever with limiter; 3 - parking brake strut tension spring; 4 - braking mechanism adjusting device spacer; 5 - pusher thread; 6 -...

Parking brake lever
The parking brake cable attached to the lever pulls forward a rod located in the center under the bottom of the car. At the threaded end of the rod is a balancer. The brake system drive cables are hung on this balancer....

Checking the length of idle travel of the parking brake lever
Parking brake adjuster 1 - parking brake tension cables going to the rear wheels; 2 - nut and lock nut of the adjusting device; 3 - parking brake cable balancer; 4 - threaded rod of the parking brake lever. Left: After...

Vacuum brake booster
All Renault 19 models have a brake booster, which provides about 60% of the braking force. This auxiliary device is located behind the main brake cylinder. The brake pedal acts directly on the pistons in the main brake...

Checking the brake booster
1. With the engine off, press the brake pedal all the way down several times and hold it in this position. 2. Start the engine. If the brake booster is working properly, the pedal should move forward a little more. 3....

Brake drive pressure limiter
As standard on all Renault 19 models with rear drum brakes, each wheel brake cylinder has a brake drive pressure limiter built into it. These limiters are continuously adjustable and ensure that when the foot presses...

Brake pressure regulating valve
The ABS is connected to two brake pressure control valves located in the brake lines leading to the rear disc brakes, one on each side. They regulate the brake pressure for each side depending on the vehicle load. This...

Maintenance of the hydraulic brake system
Brake booster 1 - check valve with rubber seal; 2 - brake booster membrane housing; 3 - pusher with adjusting device to the main brake cylinder; 4 - pusher with adjustment device to the brake pedal. The dimension "X" is...

Replacing brake fluid
Not only does the above-mentioned danger of vapor locks make it necessary to change the brake fluid, but water that gets into the brake fluid can also cause corrosion of the brake cylinders and pipes. It is also...

Troubleshooting the brake system
malfunction Its reason Troubleshooting A. When braking, the car pulls to one side or the other. 1. Uneven tire pressure. 2. The tire tread is worn unevenly. 3. The brake pads are oily or worn out. 4. The surfaces of the...

Anti-lock braking system (ABS)
Automatic brake On some modifications of Renault 19, at the customer's request, and on the 16-valve modification, an anti-lock braking system is installed as standard (abbreviated: ABS) bosch. At the same time,...

Functions of individual ABS elements
The Bosch ABS was developed specifically for front-wheel drive vehicles with a diagonal dual-circuit braking system. Even if one circuit of the braking system fails, the ABS function is retained for the other braking...

Anti-lock braking system malfunctions
The ABS warning light comes on when the ignition is turned on and goes out if the engine is running and the speed is over 6 km/h. If the voltage in the vehicle's network drops below 10 V, the warning light also comes...

Bleeding the ABS brake system
The ABS brake system is bled in the same way as the conventional brake system, as described in the previous chapter, but the car must be on the ground so that the rear suspension is loaded. The connecting spring of the...

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Other sections on other Renault models

➽ Chassis, running gear: Brake system Renault Megane 1 (1995-2002)
➽ Chassis, running gear: Brake system Renault Symbol 2 (2008-2013, petrol)
➽ Chassis, running gear: Brake system Renault Sandero 1 (2007-2012, petrol)
➽ Chassis, running gear: Brake system Renault Scenic 1 (1996-2003)
➽ Chassis, running gear: Brake system Renault Clio 1 (1990-1998)
➽ Chassis, running gear: Brake system Renault Fluence 1 (2009-2020, petrol)

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