2009 Toyota Avalon Alternator Replacement Cost in Baltimore, MD

Labor 28%

$172 - $252

Parts 72%

$405 - $635

The average cost in Baltimore, MD for a 2009 Toyota Avalon Alternator Replacement is between $576 to $887. This does not factor in taxes and fees, and related repairs.

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Cost in Baltimore, MD vs. Other Cities

Compare the average cost of replacing a Alternator Replacement in various locations to see how prices differ from those in Baltimore, MD.

If you're looking for the most accurate cost for your 2009 Toyota Avalon, get a Fair Price Estimate™ that is honored by all our RepairPal Certified shops.

Baltimore, MD

$576 to $887

What is an alternator?

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.

How does the alternator work?

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.

What are the symptoms related to a bad alternator?

If the alternator fails, the dashboard battery warning light will turn on while you drive. Soon after, all electrical components will begin to lose power, the vehicle will stall, and a jump start won't work. If the alternator's bearing fails, it can cause a grinding noise that changes with engine speed. » More symptoms of a bad alternator

Can I drive with an alternator problem?

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.

How often do alternators need to be replaced?

Alternator failure is fairly common, but an alternator can last well over 100,000 miles without incident. Harsh driving conditions and custom power accessories can shorten the life of an alternator.

How are alternator issues diagnosed?

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.

How is an alternator replaced?

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.

RepairPal recommendations for alternator issues

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.

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. 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.

Can I replace the alternator myself?

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.

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 100,000 miles without incident. Harsh driving conditions and custom power accessories can shorten the life of an alternator.

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OBD Codes Related to Alternator Replacement

P0560: System Voltage P0561: System Voltage Unstable P0562: System Voltage Low

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What is an alternator?

How does the alternator work?

What are the symptoms related to a bad alternator?

Can I drive with an alternator problem?

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.

How often do alternators need to be replaced?

Alternator failure is fairly common, but an alternator can last well over 100,000 miles without incident. Harsh driving conditions and custom power accessories can shorten the life of an alternator.

How are alternator issues diagnosed?

How is an alternator replaced?

RepairPal recommendations for alternator issues

What to look out for when dealing with alternator issues

Can I replace the alternator myself?

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 100,000 miles without incident. Harsh driving conditions and custom power accessories can shorten the life of an alternator.