When that happens, the alternator needs to be.

How long to change alternator. In cars that are driven daily, an alternator tends to last longer. This sign is common, but less common than the other. Now, after how long does it take to replace an alternator, let’s talk about its cost.

Through a mechanic, this can take a while if. Generally speaking, you can expect your car alternator to last anywhere between. Then you will have both a battery and alternator to replace, and sometimes a starter as well.

How long does it take a mechanic to replace an alternator? If your alternator has failed completely and you need to get a new one, the cost of getting it replaced at a mechanic can be. It takes approximately 1, 2 hours, or a day to change an alternator.

The diodes in the voltage regulator can also fail, and engine heat puts strain on the alternator. The fact is that this job won’t cost you as much in labor as it will for the alternator. It will take a professional mechanic about two hours to replace an alternator, although factors like car make and model can influence this time.

Depending on your vehicle’s make and model, a seasoned professional mechanic should be able to replace your. An alternator goes terrible for different reasons: The cost to change your alternator varies depending on your car’s make, model, and year.

The average lifespan of a car’s alternator is 4 to 7 years, however, that depends largely on how often you drive it. The make and model of your vehicle will determine the exact time it takes to replace the alternator, but usually, one to two hours is. Replacing an alternator will take a professional about two hours.