Brake system of car VW Golf 1, diesel
General description of the braking system
The Volkswagen uses a hydraulic foot brake. It works with fluid. The Greek word "hydro" means water, but in this case it is not quite accurate because the brake system does not...
The Volkswagen uses a hydraulic foot brake. It works with fluid. The Greek word "hydro" means water, but in this case it is not quite accurate because the brake system does not...
Brake fluid — general description
Brake pipes and cylinders use a liquid consisting of a mixture of glycol, polyglycol ether and some other components. It is a yellow, poisonous liquid that corrodes car enamel....
Brake pipes and cylinders use a liquid consisting of a mixture of glycol, polyglycol ether and some other components. It is a yellow, poisonous liquid that corrodes car enamel....
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 the increase in the number of kilometers traveled. This...
Due to the operation of the front disc brakes, the fluid level even in a perfectly serviceable brake system decreases with the increase in the number of kilometers traveled. This...
Checking the brakes
First, apply brakes with wheel lock at low speed. The rubber tracks on the road can be assessed by: the simultaneity and efficiency of the operation of the brake mechanisms of the...
First, apply brakes with wheel lock at low speed. The rubber tracks on the road can be assessed by: the simultaneity and efficiency of the operation of the brake mechanisms of the...
Checking the tightness and serviceability of the brake system
When checking, the underside of the machine should be dry. If damp, dark spots are found, it can be assumed that the system is not sealed. Check all joints and connections without...
When checking, the underside of the machine should be dry. If damp, dark spots are found, it can be assumed that the system is not sealed. Check all joints and connections without...
Cam disc brakes with floating caliper
A steel disc is attached to the hub of each front wheel. The so-called clamps saddle the discs. When you press the brake pedal, the pistons press on the brake pads and clamp the...
A steel disc is attached to the hub of each front wheel. The so-called clamps saddle the discs. When you press the brake pedal, the pistons press on the brake pads and clamp the...
Measuring the thickness of disc brake pads
In the disc brake mechanisms of the front wheels, a minimum gap between the disc and the pads is automatically maintained. The piston stroke is limited by the deformation of the...
In the disc brake mechanisms of the front wheels, a minimum gap between the disc and the pads is automatically maintained. The piston stroke is limited by the deformation of the...
Checking the condition of the brake discs
When the front wheels are removed to check the linings, the condition of the brake discs is also checked. There should be no deep grooves on the discs (due to dirt or excessively...
When the front wheels are removed to check the linings, the condition of the brake discs is also checked. There should be no deep grooves on the discs (due to dirt or excessively...
Replacing disc brake pads
The linings are all changed at the same time. Only those linings may be used that have a general approval for use. The retaining springs and lining brackets should also be...
The linings are all changed at the same time. Only those linings may be used that have a general approval for use. The retaining springs and lining brackets should also be...
Disc brake mechanism with floating caliper from ATE (replacement of linings)
Pull the safety springs out of the retaining pins (in case they are installed). Knock out the locking pins from the inside out using a hammer and punch, and remove the spacer...
Pull the safety springs out of the retaining pins (in case they are installed). Knock out the locking pins from the inside out using a hammer and punch, and remove the spacer...
Disc brake mechanism with floating caliper from Girling (replacement of linings)
Lift the expansion spring. Loosen the brake pad bracket mounting bolt (SW 13 or 14). If the bracket is jammed in the lugs due to rust, apply a punch, then knock out the bracket...
Lift the expansion spring. Loosen the brake pad bracket mounting bolt (SW 13 or 14). If the bracket is jammed in the lugs due to rust, apply a punch, then knock out the bracket...
Cam disc brake mechanism (replacement of linings)
Remove the lining springs. Loosen the guide pin on the inside (Figure) using a SW 7 Allen key. To remove the linings (3) in the cam disc brake mechanism, remove the retaining...
Remove the lining springs. Loosen the guide pin on the inside (Figure) using a SW 7 Allen key. To remove the linings (3) in the cam disc brake mechanism, remove the retaining...
Providing mobility to the caliper and piston of the disc brake
Due to corrosion on the sliding surfaces of the brake caliper, it begins to move with difficulty. A defective piston seal contributes to the fact that the piston in the brake...
Due to corrosion on the sliding surfaces of the brake caliper, it begins to move with difficulty. A defective piston seal contributes to the fact that the piston in the brake...
Removal the brake caliper
The brake caliper is attached to the wheel bearing housing. In previous models, conventional hexagon-head bolts were used for this purpose. Since the end of 1981, so-called...
The brake caliper is attached to the wheel bearing housing. In previous models, conventional hexagon-head bolts were used for this purpose. Since the end of 1981, so-called...
Replacing the piston seal
A damaged piston seal in a disc brake caliper must be replaced immediately to prevent the piston from seizing due to corrosion and dirt. Remove the brake pads. The assistant...
A damaged piston seal in a disc brake caliper must be replaced immediately to prevent the piston from seizing due to corrosion and dirt. Remove the brake pads. The assistant...
Removal the brake disc
Brake discs should be changed simultaneously on both sides. If you change only on one side, the result will be an uneven braking effect. Pay attention to the correct thickness of...
Brake discs should be changed simultaneously on both sides. If you change only on one side, the result will be an uneven braking effect. Pay attention to the correct thickness of...
Drum brakes — general description
On the rear wheels, the described machines have so-called drum brakes. Inside the brake drums are two hemispherical shoes, installed at the bottom on fixed axles, at the top...
On the rear wheels, the described machines have so-called drum brakes. Inside the brake drums are two hemispherical shoes, installed at the bottom on fixed axles, at the top...
Checking the thickness of drum brake linings
Since the front pad wears out faster than the rear pad, the thickness is measured only for the front brake pad. Raise the car onto supports. Remove the plastic plug from the...
Since the front pad wears out faster than the rear pad, the thickness is measured only for the front brake pad. Raise the car onto supports. Remove the plastic plug from the...
Checking the brake pedal travel
Press the brake pedal with your hand. Free travel should be a maximum of 1/3 of the total pedal travel. If a model produced after August 1978 shows a longer pedal stroke, this...
Press the brake pedal with your hand. Free travel should be a maximum of 1/3 of the total pedal travel. If a model produced after August 1978 shows a longer pedal stroke, this...
Additional adjustment of drum brakes
Press the brake pedal hard several times to seat the brake shoes on the brake drums. Raise the car onto supports. Release the handbrake completely. If necessary, manually press...
Press the brake pedal hard several times to seat the brake shoes on the brake drums. Raise the car onto supports. Release the handbrake completely. If necessary, manually press...
Removal the brake drum
The brake drum can be removed with the wheel attached. Raise the car onto supports. Remove the wheel bearing. For vehicles manufactured before August 1978: Turn the adjusting nut...
The brake drum can be removed with the wheel attached. Raise the car onto supports. Remove the wheel bearing. For vehicles manufactured before August 1978: Turn the adjusting nut...
Checking the condition of brake drums
The contact surface in the brake drum should be as smooth as possible. If grooves or furrows are found on this surface (due to worn out linings), the drum can be turned. The new...
The contact surface in the brake drum should be as smooth as possible. If grooves or furrows are found on this surface (due to worn out linings), the drum can be turned. The new...
Removal brake pads in cars manufactured before August 1978
The parts named in the text can be seen in the picture below. Self-adjusting drum brake model produced after August 1978: 1 - wheel brake cylinder; 2 - brake lining; 3 - tension...
The parts named in the text can be seen in the picture below. Self-adjusting drum brake model produced after August 1978: 1 - wheel brake cylinder; 2 - brake lining; 3 - tension...
Removal brake pads in cars produced after August 1978
Push the support washer of the pressure spring 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 by 90...
Push the support washer of the pressure spring 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 by 90...
Replacing brake pads
All linings should be replaced at the same time. If the brake drums have been turned to a diameter of 180.5 mm, thicker linings should be used. Glued rear brake pads are available...
All linings should be replaced at the same time. If the brake drums have been turned to a diameter of 180.5 mm, thicker linings should be used. Glued rear brake pads are available...
Handbrake — design description
The braking force in the handbrake is transmitted mechanically through two separated cable rods. When the handbrake lever is raised, each cable pulls the brake lever toward the...
The braking force in the handbrake is transmitted mechanically through two separated cable rods. When the handbrake lever is raised, each cable pulls the brake lever toward the...
Checking the free travel of the handbrake lever
The handbrake should be activated with the second click of the lever. After three clicks, the rear wheels should lock. If the lever travel is too large, the cable rods are...
The handbrake should be activated with the second click of the lever. After three clicks, the rear wheels should lock. If the lever travel is too large, the cable rods are...
Replacing the handbrake rod
Remove the handbrake lever cover. Unscrew the locknuts and adjusting nuts of the brake cables. Remove the brake drum (see section "Removing the brake drum"). Remove the brake...
Remove the handbrake lever cover. Unscrew the locknuts and adjusting nuts of the brake cables. Remove the brake drum (see section "Removing the brake drum"). Remove the brake...
Adjusting the handbrake
In cars with automatic additional adjustment, this work is performed only after replacing the handbrake cable. Place the car on supports from behind so that the rear wheels hang...
In cars with automatic additional adjustment, this work is performed only after replacing the handbrake cable. Place the car on supports from behind so that the rear wheels hang...
Hydrovacuum booster — design description
The booster is located on the left in the engine compartment, behind the main brake cylinder. The brake pedal is connected directly to the piston of the main brake cylinder, so...
The booster is located on the left in the engine compartment, behind the main brake 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 booster is functioning properly, the pedal...
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 booster is functioning properly, the pedal...
Brake force regulator — design description
All models produced 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 transmitted...
All models produced 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 transmitted...
Checking the brake force regulator
An assistant will be required to check the operation. The Volkswagen does not need to be lifted onto supports. Press the brake pedal firmly until it stops and quickly release it....
An assistant will be required to check the operation. The Volkswagen does not need to be lifted onto supports. Press the brake pedal firmly until it stops and quickly release it....
Working with the hydraulic brake system
Below are the work processes that involve contact with brake fluid. Therefore, we provide some safety instructions. Brake fluid is poisonous and should not be used in the mouth or...
Below are the work processes that involve contact with brake fluid. Therefore, we provide some safety instructions. Brake fluid is poisonous and should not be used in the mouth or...
Removal the brake pipe
Unscrew the union nut of the brake pipe. To do this, hold the opposite threaded connection, for example, near some brake hose. If the nut is rusted on the pipeline, causing it to...
Unscrew the union nut of the brake pipe. To do this, hold the opposite threaded connection, for example, near some brake hose. If the nut is rusted on the pipeline, causing it to...
Replacing the brake hose
First, unscrew the union nut of a certain pipeline. Note: the pipeline should not be twisted. If the brake hose is secured with a clamp near the body, then it is held by a clamp...
First, unscrew the union nut of a certain pipeline. Note: the pipeline should not be twisted. If the brake hose is secured with a clamp near the body, then it is held by a clamp...
Removal the wheel brake cylinder
Remove the brake drum (see section " Removal the brake drum ") and brake pads. Unscrew the air valve and the brake line at the rear, near the brake shield. Unscrew the brake...
Remove the brake drum (see section " Removal the brake drum ") and brake pads. Unscrew the air valve and the brake line at the rear, near the brake shield. Unscrew the brake...
Removal the master brake cylinder
Remove the brake fluid from the reservoir. Remove the reservoir from the master cylinder. Remove the plug from the brake light switch. Remove all brake lines near the master...
Remove the brake fluid from the reservoir. Remove the reservoir from the master cylinder. Remove the plug from the brake light switch. Remove all brake lines near the master...
Removal the brake booster
Remove the panel cover or storage compartment on the left, under the instrument panel (see section " Removal drawers and lids ", chapter " Salon "). Remove the safety clip near...
Remove the panel cover or storage compartment on the left, under the instrument panel (see section " Removal drawers and lids ", chapter " Salon "). Remove the safety clip near...
Bleeding the brake system
After all repair work has been completed, the hydraulic system must be bled. The workshop uses a special device for this purpose. The pumping sequence is: rear right, front left,...
After all repair work has been completed, the hydraulic system must be bled. The workshop uses a special device for this purpose. The pumping sequence is: rear right, front left,...
Replacing brake fluid
As mentioned above, there is a risk of air bubbles appearing in the fluid. But this is not the only reason for replacing the brake fluid. Water that gets into the fluid causes...
As mentioned above, there is a risk of air bubbles appearing in the fluid. But this is not the only reason for replacing the brake fluid. Water that gets into the fluid causes...
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