2008 nissan altima alternator replacement




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  • Shop for Nissan Altima Alternator products with confidence at EDUCATIA.INFO Parts are just part of what we You've Selected Remove. Nissan Datsun Altima.

    Nissan Altima A special tool is needed to remove the drive belt tensioner. Remove the alternator mounting bolts and remove the alternator.

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    Here is what the service manual says . Removal 1. Disconnect the negative battery terminal. 2. Drain engine coolant. Refer to CO

    Repairs related to alternator replacement. Send a private message to zoom What to look out for when dealing with alternator issues On some cars, it can be hard to access the alternator, and that can play a significant role in the repair cost. You have a better view of the Alt. Learn how to grow your business with RepairPal.

    The battery gives your car the charge it needs to get started, but it has a finite amount of storage. This creates the need for a built-in battery charger — that's where the alternator comes in. The alternator charges the battery and powers the vehicle's electrical system when the engine is running. It provides power to the starter motor, lights, stereo and more. The alternator is mounted on the engine, and creates power when it's turned by the serpentine belt or drive belt.

    As it spins, it creates electricity, and the built-in voltage regulator and rectifier are responsible for ensuring the current is correct for the vehicle. The alternator produces an alternating current AC , which is changed to usable direct current DC by the rectifier diodes within the alternator. If the alternator fails, the dashboard battery warning light will turn on while you drive. If the alternator's bearing fails, it can cause a grinding noise that changes with engine speed.

    A vehicle with a weak alternator can be driven to a repair shop, but if the alternator has completely failed, the car will need to be towed. Alternator failure is fairly common, but an alternator can last well over , miles without incident.

    Harsh driving conditions and custom power accessories can shorten the life of an alternator. When there is any failure in the starting and charging system, the entire system must be tested. Repair shops use professional test equipment that checks every component simultaneously and definitively. If the alternator is the problem, it will be identified.

    When replacing the alternator, the technician must remove the battery cables to prevent electric shock. The accessory drive belts or serpentine belts must be removed from the alternator, along with electrical connectors and several bolts. Once the bolts are removed, the alternator is free from the alternator brackets, and can be removed.

    Replacement is in reverse order, and proper torque must be applied to prevent damage. The vehicle will then be retested. Because the alternator requires the removal of the serpentine belt, this is a good time to replace that belt if it's worn, or the service interval has been reached.

    If the battery cables have physical damage or extensive corrosion, they should be replaced as well. On some cars, it can be hard to access the alternator, and that can play a significant role in the repair cost. In some cases, suspension components, drive axles, cooling fans and even bumpers must be removed.

    If the vehicle has after-market electrical components installed, the new alternator should be strong enough to handle the additional power demands. If the alternator is tucked away and hard to get to, the replacement should be left to a professional technician.

    If the alternator is more easily accessible, and you have a good understanding of the starting and charging system, you should be able to diagnose and repair this problem yourself. Get an Estimate Find a Shop.

    2012 Nissan Altima 3.5 alternator replacement



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