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Alternator Replacement

 

What is an alternator and why its important for your car?

An alternator gets its name from the term alternating current (AC). All the electrical components in a car need 12 volts power all the time to perform its tasks properly and the car battery provides this 12v to all the electrical components in the car such as lights, power steering, AC compressor, etc.

In order to achieve this continuous availability of 12 Volts to all the electrical components, we need to keep the battery charged at 12 volts and that's the task of an alternator to maintain this 12 volts power in the battery while the car engine is running.


Can i drive with a faulty or failed alternator?

In short, Alternator is the component that recharges the battery and reinstating the lost battery power. The alternator is located in the engine compartment. If the alternator does not work properly, the car will only stay running for as long as the battery has power stored in it. Once the battery loses power, the car won't start.

alternator replacement

 

What are the Symptoms of faulty alternator?

  • Battery light turns on
  • Headlights start flickering or become dim.
  • Other electrical components such as Power steering stops working.
  • Car stalls.
  • Dead Battery.

 

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Garages & Mechanics For Alternator Replacement

Recent Mechanic Reviews For Alternator Replacement

Auto Tech mobile mechanic from Reading
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(5.0 ratings out of 25)

Auto Tech

Mobile Mechanic in Reading, 9 years of experience

386 Jobs Completed

jose Edith cook
05 Aug 2020

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Auto Solutions mobile mechanic from Reading
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(5.0 ratings out of 5)

Auto Solutions

Mobile Mechanic in Reading, 10 years of experience

40 Jobs Completed

Jas Bagnal
29 Sep 2019

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Frequently Asked Questions

Battery light turns on, Headlights start flickering or becomes dim, Other electrical components such as Power steering stops working, Car stall or Dead Battery.


Alternator is the component that recharges the battery and reinstating the lost battery power. The alternator is located in the engine compartment. If the alternator does not work properly, car will only stay running for as long as the battery has power stored in it. Once the battery loses power, car will not start.


No, the engine will only stay running until your battery has enough charge stored in it and as the faulty alternator will not recharge the battery which results in engine stall.


It depends on the make and model of the car, on average its around £150. to find out the exact cost of alternator on your car please type your car registration number at the top of the page.


The common problems with the alternator are worn brushes and failed voltage regulator.


Cost by make for Alternator Replacement

Popular Makes Average Price
Volvo £185.32 Compare Quotes
Vauxhall £170.12 Compare Quotes
Renault £179.32 Compare Quotes
Bmw £245.65 Compare Quotes
Volkswagen £234.32 Compare Quotes
Citroen £225.25 Compare Quotes
Audi £250.25 Compare Quotes
Ford £185.32 Compare Quotes
Mini £178.32 Compare Quotes
Mercedes-benz £265.32 Compare Quotes
Mazda £225.32 Compare Quotes
Nissan £195.32 Compare Quotes
Hyundai £179.32 Compare Quotes
Peugeot £199.32 Compare Quotes
Toyota £199.36 Compare Quotes
Fiat £169.25 Compare Quotes
Lexus £245.98 Compare Quotes
Seat £162.32 Compare Quotes

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