General description of the braking system IN "Volkswagen" hydraulic foot brake is used. It works with fluid. Greek word "hydro" means water, but in this case it is not quite an accurate definition, since water is not used...
Brake Fluid — General Description Brake lines and cylinders use fluid. consisting of a mixture of glycol, polyglycol ether and some other constituents. It is a yellow poisonous liquid that corrodes car enamel. It...
Checking the brake fluid level Due to the operation of the front disc brakes, the fluid level, even in a perfectly serviceable brake system, decreases with increasing number of kilometers traveled. This is...
Brake check First, brake with wheel lock at low speed. The traces of rubber on the road can be assessed: the simultaneity and effectiveness of the operation of the brake mechanisms of the...
Floating caliper cam disc brakes A steel disc is attached to the hub of each front wheel. The so-called brackets saddle around the discs. When you press the brake pedal, the pistons press on the brake linings and...
Measuring Disc Brake Lining Thickness The disc brake mechanisms of the front wheels automatically maintain a minimum gap between the disc and the pads. The piston stroke is limited by the deformation of the cuff. When...
Checking the condition of the brake discs When the front wheels are removed to check the pads, the condition of the brake discs is also checked. Discs must not have deep grooves (due to dirt or excessively worn linings)....
Replacing Disc Brake Linings The pads change all at the same time. Only linings that have a general operating permit may be used. The fixing springs and lining brackets should also be changed. In floating...
ATE floating caliper disc brake (lining replacement) Pull the safety springs out of the fixing pins (in case installed). Knock out the fixing pins from the inside out with a hammer and a punch, remove the spacer spring. Remove the...
Floating caliper disc brake «Girling» (lining replacement) Raise the expansion spring. Loosen the brake pad retaining bolt (SW 13 or 14). If the bracket is wedged in the eyes due to rust, attach a punch, then knock out the bracket...
Cam disc brake mechanism (lining replacement) Remove pad springs. Loosen the guide pin on the inside (pic.) wrench SW 7 with an internal hexagon. To remove lining (3) in the cam brake disc mechanism, the fixing springs at the...
Removing the brake caliper The brake caliper is attached to the wheel bearing housing. In previous models, conventional six-headed bolts were used for this. Since the end of 1981, so-called grooved bolts...
Piston cup replacement A damaged piston cup in a disc brake caliper must be replaced immediately to prevent the piston from seizing due to corrosion and dirt. Remove brake pads. Have an assistant gently...
Removing the brake disc Brake discs should be changed on both sides at the same time. If you change only on one side, then the consequence will be an unequal braking effect. Pay attention to the correct...
Drum brakes — general description On the rear wheels, the described machines have the so-called drum brakes. Inside the brake drums there are two hemispherical shoes, mounted at the bottom on fixed axles, at the...
Checking the thickness of drum brake linings Since the front pad wears faster than the rear, the thickness is only measured at the front brake pad. Raise the car on stands. Remove the plastic plug from the inside of the...
Checking the brake pedal travel Press the brake pedal by hand. The free play should be a maximum of 1/3 of the total pedal travel. If a model made after August 1978 has a longer pedal travel, the rear pads are...
Additional adjustment of drum brakes Press the brake pedal hard several times to seat the brake shoes on the brake drums. Raise the car on stands. Fully release the handbrake. If necessary, firmly press the lever of...
Removing the brake drum The brake drum can be removed together with the fixed wheel. Raise the car on stands. Take out the wheel bearing. For cars built before August 1978: Turn the adjusting nut to...
Monitoring the condition of the brake drums The contact surface in the brake drum should be as smooth as possible. If grooves or grooves are found on this surface (due to worn pads), the drum can be machined. The new brake...
Dismantling of brake pads in cars produced before August 1978 The details named in the text can be seen in Fig. below. Self-adjusting drum brake models after August 1978: 1 - wheel brake cylinder; 2 - brake lining; 3 - tension spring with an...
Dismantling of brake pads in cars produced after August 1978 Push the pressure spring support washer near the brake shoes back with pliers or better with a SW 10 socket wrench: turn the lock on the back of the brake shield 90 degrees and...
Replacing brake pads All pads should be changed at the same time. If the brake drums have been turned to a diameter of 180.5 mm, thicker linings should be used. Adhesive rear wheel brake pads are...
Hand brake — design description The braking force in the handbrake is transmitted mechanically via two separated cable rods. When the handbrake lever is raised, each cable pulls the brake lever towards the rear...
Checking the free travel of the handbrake lever The handbrake should be applied from the second click of the lever. Three clicks should lock the rear wheels. If the lever stroke is too large, then the cable rods are stretched....
Replacement of draft of a manual brake Remove the handbrake lever cover. Unscrew the locknuts and adjusting nuts of the brake cables. Dismantle the brake drum (see section "Removing the brake drum"). Remove the brake...
Handbrake adjustment On machines with automatic additional adjustment, this work is carried out only after replacing the handbrake cable. Put the car on stands at the rear so that the rear wheels hang...
Hydrovacuum booster — design description The booster is located on the left in the engine compartment, behind the brake master cylinder. The brake pedal is connected directly to the piston of the main brake cylinder, so...
Checking the brake booster With the engine off, press the brake pedal several times until it stops and hold it in the extreme position. Start the engine. If the amplifier is functioning flawlessly, the...
Brake force regulator — design description All models manufactured after August 1978 have a brake force regulator on the left in the direction of travel in front of the rear axle. It can reduce the fluid pressure...
Checking the brake force regulator An assistant will be required to check the work. "Volkswagen" do not need to be lifted up. Press firmly on the brake pedal and release it quickly. In this case, the lever of the...
Working with the hydraulic brake system The following are workflows where you come into contact with brake fluid. Therefore, we give several safety instructions. Brake fluid is poisonous and should not be ingested or on...
Removing the brake pipeline Unscrew the union nut of the brake line. To do this, hold the opposite screw connection, for example, near a brake hose. If the nut is rusted on the pipeline, due to which it...
Brake Hose Replacement First loosen the union nut of the specific pipeline. Pay attention: the pipeline must not be twisted. If the brake hose is fastened with a clamp near the body, then it is held by...
Removing the wheel brake cylinder Remove brake drum (see section " Removing the brake drum ") and brake pads. Open the air! valve and brake pipeline at the rear, near the brake shield. Unscrew the fixing bolts of...
Removing the brake master cylinder Remove brake fluid from the tank. Remove the tank from the brake master cylinder. Remove the plug from the brake light switch. Remove any and all brake pipes near the brake master...
Removing the brake booster Remove the panel cover or glove box on the left, under the dashboard (see section " Removing drawers and lids ", chapter " Salon "). Remove the safety clip at the brake pedal...
Bleeding the brake system After completion of all repair work in the hydraulic system, it is necessary to carry out pumping. The workshop uses a special tool for this purpose. The bleeding sequence is:...
Brake Fluid Replacement As mentioned above, there is a danger of air bubbles in the liquid. But not only this makes it necessary to replace the brake fluid. Water entering the fluid causes corrosion in...