Power electrical devices of car VW Golf 1, diesel
How does a battery work?
The Volkswagen, like other cars, has a lead-acid battery. When the battery is discharged, chemical energy is converted into electrical energy, and when it is charged, the reverse...
The Volkswagen, like other cars, has a lead-acid battery. When the battery is discharged, chemical energy is converted into electrical energy, and when it is charged, the reverse...
Battery technical data
Standard number According to the standard, all German battery manufacturers have a five-digit number that characterizes the power, dimensions, and design type. The models...
Standard number According to the standard, all German battery manufacturers have a five-digit number that characterizes the power, dimensions, and design type. The models...
Maintenance-free batteries
The electrolyte consists of sulfuric acid diluted with distilled water. Some of this water may evaporate or turn into hydrogen and oxygen during charging. Regular batteries should...
The electrolyte consists of sulfuric acid diluted with distilled water. Some of this water may evaporate or turn into hydrogen and oxygen during charging. Regular batteries should...
Checking the acid level in the battery
In maintenance-free batteries, the fluid level should be checked regularly. The supply of distilled water may be reduced due to a defect in the generator voltage regulator. The...
In maintenance-free batteries, the fluid level should be checked regularly. The supply of distilled water may be reduced due to a defect in the generator voltage regulator. The...
Removal the battery
First, you should remove the negative cable from the battery so that a short circuit cannot occur during further manipulations. When removing the battery, first disconnect the...
First, you should remove the negative cable from the battery so that a short circuit cannot occur during further manipulations. When removing the battery, first disconnect the...
Battery care
The contaminated battery case should be cleaned with a cold cleaning agent, water and a brush. Wash off oxide crystals on the battery terminals with warm soda water or treat with...
The contaminated battery case should be cleaned with a cold cleaning agent, water and a brush. Wash off oxide crystals on the battery terminals with warm soda water or treat with...
Checking the battery charge status
If, despite the prescribed electrolyte level, the battery appears to be weakened, the state of charge should be checked. Information about this is provided by the density of the...
If, despite the prescribed electrolyte level, the battery appears to be weakened, the state of charge should be checked. Information about this is provided by the density of the...
Charging the battery
Even if the battery is not working, it needs to be recharged additionally. The battery has a negative property: over time, it self-discharges. Connecting the charger Connect the...
Even if the battery is not working, it needs to be recharged additionally. The battery has a negative property: over time, it self-discharges. Connecting the charger Connect the...
Starting with a dead battery
Auxiliary jumper cables The auxiliary vehicle should be positioned at such a distance from the Volkswagen that the batteries of both vehicles can be connected via jumper cables....
Auxiliary jumper cables The auxiliary vehicle should be positioned at such a distance from the Volkswagen that the batteries of both vehicles can be connected via jumper cables....
Alternator — General Information
The generator is a device that produces electricity. It is located under the engine hood. All current consumers must be supplied with electricity. While the engine is not running,...
The generator is a device that produces electricity. It is located under the engine hood. All current consumers must be supplied with electricity. While the engine is not running,...
Voltage regulator
The faster the generator rotates, the higher the voltage and the supplied electric current rise. Such an increase in current and voltage cannot be tolerated by the consumers in...
The faster the generator rotates, the higher the voltage and the supplied electric current rise. Such an increase in current and voltage cannot be tolerated by the consumers in...
Checking the generator contact brushes
Checking "Bosch" contact brushes Loosen the two mounting bolts on the regulator. Remove the regulator. Turn the regulator so that the carbon brushes do not hang. Measure the...
Checking "Bosch" contact brushes Loosen the two mounting bolts on the regulator. Remove the regulator. Turn the regulator so that the carbon brushes do not hang. Measure the...
Checking the V-belt tension
The V-belt drives not only the generator but also the water pump. For this reason, the belt tension must be carefully monitored. Press firmly with your finger on the V-belt...
The V-belt drives not only the generator but also the water pump. For this reason, the belt tension must be carefully monitored. Press firmly with your finger on the V-belt...
Checking the condition of the V-belt
Since powerful generators are installed nowadays, V-belts transmit significant forces. Therefore, the tension is set higher than before. Too little tension causes more belt...
Since powerful generators are installed nowadays, V-belts transmit significant forces. Therefore, the tension is set higher than before. Too little tension causes more belt...
Removal and installation the V-belt
The V-belt in the described diesel engines has the designation 9.5x875. In no case should the V-belt be tightened with a screwdriver at the pulley, as this will cause damage to it...
The V-belt in the described diesel engines has the designation 9.5x875. In no case should the V-belt be tightened with a screwdriver at the pulley, as this will cause damage to it...
Torn V-belt
If the red battery charge indicator light suddenly flashes while driving and you hear a strange noise in the engine compartment, this obviously indicates that the V-belt is...
If the red battery charge indicator light suddenly flashes while driving and you hear a strange noise in the engine compartment, this obviously indicates that the V-belt is...
Removal the alternator
Connect the battery ground wire. Move the clamping bracket of the generator multi-pin plug to the side. Remove the plug, do not pull on the wires. Disconnect the negative wire...
Connect the battery ground wire. Move the clamping bracket of the generator multi-pin plug to the side. Remove the plug, do not pull on the wires. Disconnect the negative wire...
Driving with a faulty alternator
If the generator or its regulator fails to work, further driving is not yet at risk, since there is a battery. The diesel engine does not have an ignition system, so once it is...
If the generator or its regulator fails to work, further driving is not yet at risk, since there is a battery. The diesel engine does not have an ignition system, so once it is...
Battery charge monitoring device
The control lamp in the instrument panel has two positive connections: on one side, from the D+ terminal of the generator (blue cable) and, on the other hand, from terminal 1.5...
The control lamp in the instrument panel has two positive connections: on one side, from the D+ terminal of the generator (blue cable) and, on the other hand, from terminal 1.5...
Description of the starter design
The starter is a small electric motor that, together with the charged battery, starts the engine when the ignition key is turned. It does this work with a power of about 2 hp (1.5...
The starter is a small electric motor that, together with the charged battery, starts the engine when the ignition key is turned. It does this work with a power of about 2 hp (1.5...
Removal the starter in a car with a manual transmission
Disconnect the negative cable from the battery. Disconnect the wires from the starter relay. Remove the Allen head bolts or socket head bolts from the starter mounting flange. For...
Disconnect the negative cable from the battery. Disconnect the wires from the starter relay. Remove the Allen head bolts or socket head bolts from the starter mounting flange. For...
Removal the starter in a car with an automatic transmission
In cars with an automatic transmission, the starter is located at the rear, near the gearbox housing. Disconnect the negative cable from the battery. Unscrew the bolt at the top...
In cars with an automatic transmission, the starter is located at the rear, near the gearbox housing. Disconnect the negative cable from the battery. Unscrew the bolt at the top...
Replacing the starter contact brushes
If the starter has stopped working, its contact brushes may be worn out. These carbon brushes are soldered. To replace them, you will need a powerful soldering iron. Volkswagen...
If the starter has stopped working, its contact brushes may be worn out. These carbon brushes are soldered. To replace them, you will need a powerful soldering iron. Volkswagen...
Starter malfunctions and how to fix them
If the starter does not work, you can always push or tow a Volkswagen with a manual transmission (see section " Towing a car ").
If the starter does not work, you can always push or tow a Volkswagen with a manual transmission (see section " Towing a car ").
Pre-heating system
Due to the upward movement of the piston, the air in the cylinder is not only strongly compressed, but also significantly heated. The fuel injected into the hot air ignites. But...
Due to the upward movement of the piston, the air in the cylinder is not only strongly compressed, but also significantly heated. The fuel injected into the hot air ignites. But...
Glow plugs — selection and replacement
The glow plugs for the described diesel models were developed by Bosch. These are so-called "pin glow plugs" with a positive temperature coefficient. This means that a large...
The glow plugs for the described diesel models were developed by Bosch. These are so-called "pin glow plugs" with a positive temperature coefficient. This means that a large...
Detecting defects in glow plugs
If one of the glow plugs is defective, you will notice it mainly when the engine is cold. While the fuel immediately ignites in the other cylinders, the cylinder with the...
If one of the glow plugs is defective, you will notice it mainly when the engine is cold. While the fuel immediately ignites in the other cylinders, the cylinder with the...
Troubleshooting the Pre-Glow System
If one morning, when starting a cold engine, despite sufficient preheating, it does not start or starts with great difficulty (or falls silent again), there is a suspicion that...
If one morning, when starting a cold engine, despite sufficient preheating, it does not start or starts with great difficulty (or falls silent again), there is a suspicion that...
Complications that arise when starting the engine
If the engine starts poorly, you need to check whether there is voltage at the glow plugs during starting. Connect the clamps of the electrical test lamp to the vehicle ground....
If the engine starts poorly, you need to check whether there is voltage at the glow plugs during starting. Connect the clamps of the electrical test lamp to the vehicle ground....
Pre-glow indicator light does not light
When the engine is cold, the pre-glow indicator light should be on when the ignition key is turned to position 1. The light will go out after the pre-glow has been running for a...
When the engine is cold, the pre-glow indicator light should be on when the ignition key is turned to position 1. The light will go out after the pre-glow has been running for a...
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Golf 5
Golf 4
Golf 3
Golf 2
Golf 2 (petrol)
Golf 1 (petrol)
Golf 1 (diesel)
- General information
- User manual
- Maintenance
- Troubleshooting
- Power unit
- Engine repair
- Cooling and ventilation system
- Fuel system
- Ignition system
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Chassis
- Brake system
- Car suspension
- Steering
- Body
- Interior (internal elements)
- Exterior (external elements)
- Doors and covers
- Electrical equipment
- Power devices
- Washers and wipers
- Lighting and appliances
- Electrical circuits
- General information
- User manual
- Weekly checks
- Maintenance
- Power unit
- Petrol engines
- Diesel engines
- Cooling system
- Fuel system (petrol)
- Control system (petrol)
- Fuel system (diesel)
- Exhaust system
- Transmission
- Clutch
- Car gearbox
- Drive shafts
- Chassis
- Car suspension
- Steering
- Wheels and tires
- Brake system
- Body
- Exterior (external elements)
- Interior (internal elements)
- Ventilation and heating
- Car doors and sunroof
- Washers and glass cleaners
- Electrical equipment
- Power devices
- Lighting and appliances
- Electrical circuits
- Petrol engine
- Engine repair
- Lubrication system
- Cooling system
- Ignition system
- Diesel engine
- Engine repair
- Diesel injection system
- Pre-glow system
- Transmission
- Clutch
- Gearbox and drive shafts
- Chassis
- Steering
- Wheels and suspension
- Brake system
- Electrical equipment
- Lighting and appliances
- Electrical circuits
- General information
- Introduction to guide
- User manual
- Petrol engines 1.3 l
- Engine repair
- Lubrication system
- Cooling system
- Carburetors
- Supply system
- Ignition system
- Petrol engines 1.6/1.8 l
- Engine repair
- Supply system
- Ignition system
- Diesel engines
- Engine repair
- Lubrication system
- Cooling system
- Power and exhaust system
- Transmission
- Clutch
- 4-speed gearbox 084
- 5-speed gearbox 085
- 4-speed gearbox 020/4R
- 5-speed gearbox 020/4T
- Automatic gearbox
- Drive shafts
- Chassis
- Steering
- Car suspension
- Brake system
- Body
- Body elements
- Doors, locks and windows
- Electrical equipment
- Equipment and devices
- Power devices
- General information
- Characteristics
- Car care
- Maintenance
- Power unit
- Engine repair
- Engine 1.05/1.30
- Engine 1.60/1.80
- Cooling and lubrication system
- Power and exhaust system
- Transmission
- Clutch
- Car gearbox
- Drive shafts
- Chassis
- Brake system
- Steering
- Suspension
- Body
- Body and equipment
- Electrical equipment
- Lighting and appliances
- Electrical circuits
- General information
- Characteristics
- User manual
- Maintenance
- Power unit
- Engine adjustment
- Engine 1.1/1.3
- Engine 1.5/1.6/1.8
- Engine electrical equipment
- Cooling system
- Fuel system
- Transmission
- Clutch and manual gearbox
- Automatic gearbox
- Chassis
- Steering
- Front suspension
- Rear suspension
- Brake system
- Electrical equipment
- Lighting and appliances
- Electrical circuits
- Body
- Body and equipment
- Optional equipment
- General information
- Specifications
- Maintenance
- Power unit
- Engine repair
- Exhaust and turbocharger
- Cooling system
- Fuel system
- Fuel injection system
- Transmission
- Clutch and drive shafts
- Car gearbox
- Chassis
- Suspension and wheels
- Steering
- Brake system
- Wheels and tires
- Body
- Heating and ventilation
- Exterior (external elements)
- Interior (internal elements)
- Doors and windows
- Electrical equipment
- Equipment and devices
- Lighting system
- Power devices
- Electrical circuits