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Alternator for other makes of cars

  • BMW Alternator price
  • VW Alternator price
  • AUDI Alternator price
  • MERCEDES-BENZ Alternator price
  • FORD Alternator price
  • VAUXHALL Alternator price
  • RENAULT Alternator price
  • TOYOTA Alternator price
  • original PEUGEOT Generator
  • original NISSAN Generator
  • original VOLVO Generator
  • original HONDA Generator
  • original SKODA Generator
  • original CITROËN Generator
  • original FIAT Generator
  • original MINI Generator
  • HYUNDAI Alternators cost
  • MAZDA Alternators cost
  • SEAT Alternators cost
  • KIA Alternators cost
  • LAND ROVER Alternators cost
  • MITSUBISHI Alternators cost
  • SUZUKI Alternators cost
  • PORSCHE Alternators cost
  • ALFA ROMEO Generator
  • JAGUAR Generator
  • MG Generator
  • JEEP Generator
  • SUBARU Generator
  • LEXUS Generator
  • TESLA Generator
  • DAIHATSU Generator
  • OPEL Generator
  • DACIA Generator
  • ISUZU Generator
  • CHEVROLET Generator
  • SMART Generator
  • SAAB Generator
  • IVECO Generator
  • CHRYSLER Generator
  • SSANGYONG Generator
  • MASERATI Generator
  • ABARTH Generator
  • BENTLEY Generator
  • CUPRA Generator
  • INFINITI Generator

Alternator for cars

  • Alternator BMW 3 Series in original quality
    3 Series
    06/1975
  • Alternator VW GOLF in original quality
    GOLF
    04/1974
  • Alternator BMW 5 Series in original quality
    5 Series
    03/1972
  • Alternator AUDI A4 in original quality
    A4
    11/1994
  • Alternator MERCEDES-BENZ C-Class
    C-Class
    03/1993
  • Alternator FORD FOCUS
    FOCUS
    08/1998
  • Alternator MERCEDES-BENZ E-Class
    E-Class
    02/1993
  • Alternator BMW 1 Series
    1 Series
    02/2003
  • Generator FORD FIESTA
    FIESTA
    05/1976
  • Generator AUDI A3
    A3
    09/1996
  • Generator AUDI A6
    A6
    06/1994
  • Generator VW POLO
    POLO
    03/1975
  • Alternator ASTRA
    ASTRA
    09/1979
  • Alternator VW TRANSPORTER
    TRANSPORTER
    01/1950
  • Alternator VW PASSAT
    PASSAT
    05/1973
  • Alternator MINI Hatchback
    Hatchback
    06/2001
  • Alternator NISSAN QASHQAI
    QASHQAI
    12/2006
  • Alternator HONDA CIVIC
    CIVIC
    09/1971
  • Alternator CORSA
    CORSA
    12/1992
  • Alternator FORD MONDEO
    MONDEO
    01/1993

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Replace a Spare part Alternator – a defective one or if the limit of use has been already reached. Find out useful information about Alternator

Malfunctions of the alternator

  • pollution, burning or oiling of slip rings;
  • slipping of the drive belt;
  • field break;
  • wear or destruction of the bearings;
  • loose nut of a pulley;
  • contact of rotor and stator poles;
  • wear of the bearing seat;
  • oxidation of brushes.

Symptoms of alternator faults

  • discharging or overcharging (gassing) of the battery;
  • strange sounds in the alternator;
  • battery charge warning light continuously blinks or is on when the engine is running;
  • dim light of car headlights;
  • rattling or quiet sound when the engine is running;
  • extremely high rate of on-board network voltage level;
  • a significant change in the light brightness with increasing number of turns.

Causes of faulty alternator

  • using components of low quality;
  • substantial wear or corrosion of the alternator;
  • breaking of voltage regulator;
  • breakage or deformation of contact springs;
  • violation of operation rules when working outside normal mode;
  • external factors:
    • dirt;
    • high temperature;
    • salt;
    • water;
    • road chemicals.

Diagnostics

It is recommended to diagnose the alternator state by means of special measuring instruments: voltmeter or ammeter. You can diagnose the alternator both independently or turn to professionals who will make the necessary measurements on a special stand. If you want to diagnose the part by yourself, then measure the voltage at the battery terminals. Then start the engine and make the same measurements. The norm is: 12 before the engine start, from 13.8 to 14.4 after the start. If you have recorded a higher voltage, then there is "overcharging" (faulty voltage regulator), if low voltage then the current does not flow.

Repair and replacement of alternator

The service life of the alternator does not exceed 160 thousand kilometers. Any mechanical problem can be resolved by replacing the faulty units and components. If you have an older model car alternator you may need to bore slip rings. Drive belts are changed due to wear, the maximum extension or expiration of service life. Alternator rewinding is sometimes found among the services of mechanics, but more and more seldom due to a high cost and inexpediency.

Helpful tips on operation, causes of faults, troubleshooting, and service intervals

Generator finder for

FAQ: Frequently asked questions
How can I test an alternator?

A simple testing of an alternator can be done without removing it, but just using a multimeter. For this you should:

  1. Connect the measuring device to the battery terminals observing the polarity. When the engine isn’t running, the voltage should be between 12.5 and 12.7 V.
  2. Start the engine without turning on any power consuming devices – normally the voltage should increase to 13.8–14.5 V.
  3. Increase the load on the battery by turning on all car systems with high power consumption, for example, the air-conditioning, lighting, heated seats, and so on. The voltage should drop to between 13.7 and 14.0 V.
  4. Make sure that the component doesn’t produce sparks, its housing and wires are not damaged, and that the drive belt isn’t worn out.

A more accurate diagnosis requires the part to be removed. For this, disconnect:

  1. The negative battery terminal;
  2. Battery and fuse wires;
  3. The drive belt.

Next, remove and disassemble the component. Measure the resistance of the rotor and stator windings using the multimeter. Check the resistance of the alternator's diode bridge as well, by attaching the multimeter probes to the diodes and the rectifier plate. Afterwards, swap the probes around and repeat the procedure. Compare the recorded values with those specified by the vehicle’s manufacturer.

How can I repair or replace an alternator myself?

The exact procedure will depend on the vehicle’s make and model. Detailed instructions are usually provided in the car owner’s manual. You will need electrical skills to be able to replace the brushes, the clutch, a rotor bearing, or the diode bridge yourself. If you need to install a new component, follow these steps:

  1. Disconnect the negative battery terminal.
  2. Remove the alternator drive belt.
  3. Mark or remember the wires that are connected to the battery and fuse box.
  4. Remove all components that prevent access to the part.
  5. Remove the wiring having unfastened all of the clips.
  6. Remove the alternator.
  7. Install a new part by following the instructions in reverse.
How do I keep an alternator working properly?

Clean the part periodically with compressed air and check the tension of the drive belt. Ensure the parts are all tightly fastened and lubricate the bearings. Replace the brushes if they are worn out.