The 2010 Subaru Legacy 3.6 needs a Group Size 26 battery. It requires at least 525 Cold Cranking Amperes (CCA) and operates at 12V. Recommended batteries include the Duralast 26-DL and Interstate M-25. Ensure the positive terminal is located on the left front for proper installation.
Additionally, it is essential to consider the battery’s cold cranking amps (CCA) rating. A CCA rating of at least 550 will provide sufficient starting power, especially in cold weather. Choosing a quality battery will enhance reliability and longevity.
When replacing the battery, follow these essential tips. First, wear safety glasses and gloves to protect yourself. Disconnect the negative terminal before the positive terminal to avoid short circuits. Clean the battery tray and terminals to ensure good connections. After installing the new battery, connect the positive terminal first, then the negative terminal. Finally, test the new battery to confirm it is operating correctly.
Understanding the battery size guide and replacement tips ensures your 2010 Subaru Legacy 3.6 runs smoothly. Next, we will explore top battery brands that provide reliable options for this model.
What Size Battery Is Recommended for the 2010 Subaru Legacy 3.6?
The recommended battery size for the 2010 Subaru Legacy 3.6 is Group Size 35.
- Battery Group Size: Group Size 35
- Cold Cranking Amps (CCA): Minimum 600 CCA
- Amp Hour Rating (AH): Around 70–75 AH
- Battery Type: Lead-acid, AGM, or Gel Cell
Choosing the right battery ensures optimal performance and longevity for your vehicle.
- Battery Group Size:
The recommended battery group size for the 2010 Subaru Legacy 3.6 is Group Size 35. This designation refers to the physical dimensions and terminal layout of the battery. A Group Size 35 battery fits securely in the battery compartment of the vehicle, maintaining proper electrical connections. Proper fit and setup prevent issues like battery movement, which can lead to damage or electrical problems.
The size specifications of Group Size 35 generally measure 10.2 inches in length, 6.9 inches in width, and 8.9 inches in height. Many batteries from reputable manufacturers, such as Exide or Interstate, conform to these dimensions. Experts recommend checking the vehicle’s manual for specific fitment to ensure compatibility.
- Cold Cranking Amps (CCA):
The 2010 Subaru Legacy 3.6 requires a minimum of 600 Cold Cranking Amps (CCA). CCA measures a battery’s ability to start an engine in cold temperatures. A higher CCA rating is crucial in colder climates where vehicles struggle to start due to low temperatures. For example, if you live in an area with harsh winters, opting for a battery with higher CCA may enhance performance.
Research by the Battery Council International indicates that batteries with sufficient CCA ratings not only enhance starting ability but also extend the battery’s lifespan. A battery that does not meet the required CCA may fail to start the engine during cold weather.
- Amp Hour Rating (AH):
The recommended amp hour (AH) rating for the battery of the 2010 Subaru Legacy 3.6 is approximately 70-75 AH. AH indicates how much energy a battery can store and deliver over time. A higher AH rating suggests that the battery can power accessories, such as lights and radios, for longer periods.
For instance, if you frequently use electronics when the engine is off, a battery with a higher AH may prevent unexpected failures. It’s advisable to consult your vehicle’s manual or a professional when choosing an AH rating, as it plays a significant role in overall battery performance.
- Battery Type:
The suitable battery types for the 2010 Subaru Legacy 3.6 include lead-acid, absorbed glass mat (AGM), and gel cell batteries. Lead-acid batteries are common and cost-effective. AGM batteries, on the other hand, are more efficient and can handle deep cycling and extreme temperatures better than traditional lead-acid batteries.
AGM batteries, preferred by many Subaru owners due to their vibration resistance and longer life, significantly reduce maintenance requirements. Gel cell batteries also provide similar benefits but are less widely used because of their specific charging needs. Understanding the nuances of these types ensures you select the ideal battery according to your driving habits and environmental conditions.
What Specifications Should You Consider When Choosing a Battery for the 2010 Subaru Legacy 3.6?
The specifications to consider when choosing a battery for the 2010 Subaru Legacy 3.6 include the battery size, reserve capacity, cold cranking amps (CCA), and warranty coverage.
- Battery Size: Typically Group 35
- Cold Cranking Amps (CCA): Minimum 550 CCA recommended
- Reserve Capacity (RC): Around 90–100 minutes preferred
- Terminal Layout: Top or side terminals depending on model
- Battery Type: Lead-acid (conventional) or AGM (absorbent glass mat) options available
Understanding these specifications is crucial for ensuring optimal performance in your vehicle.
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Battery Size:
The battery size for the 2010 Subaru Legacy 3.6 is typically a Group 35 battery. The size of a battery affects how well it fits into the battery compartment and how it connects to the car. Using the correct size prevents issues related to physical space and electrical connections. Selecting a battery that fits correctly can enhance durability and efficiency. -
Cold Cranking Amps (CCA):
Cold cranking amps (CCA) is a rating that measures a battery’s ability to start an engine in cold temperatures. For the 2010 Subaru Legacy 3.6, a minimum of 550 CCA is recommended. This specification indicates how much current the battery can provide at 0°F (-18°C) for 30 seconds while maintaining at least 7.2 volts. A higher CCA ensures the vehicle starts reliably in colder conditions, as stated by experts from the Battery Council International. -
Reserve Capacity (RC):
Reserve capacity (RC) is a measure of how long a battery can run on its own without being charged. For the 2010 Subaru Legacy 3.6, around 90–100 minutes of RC is preferred. This specification indicates how long the battery can support electrical loads if the alternator fails. Vehicles often face scenarios where the alternator may not be functioning, making this attribute critical for dependability. -
Terminal Layout:
The terminal layout refers to the position and type of terminals on the battery. Depending on the specific model configuration, the 2010 Subaru Legacy may require top or side terminals. Paying attention to the terminal layout is essential as it affects how connections are made and can influence installation ease. -
Battery Type:
The type of battery can significantly affect performance and longevity. Lead-acid batteries are conventional options, while absorbent glass mat (AGM) batteries offer enhanced performance, particularly in high-demand situations. AGM batteries can last longer and withstand extreme temperatures, making them a popular choice for this vehicle model, as noted in various automotive reviews.
By focusing on these critical specifications, you can select the most suitable battery for your 2010 Subaru Legacy 3.6, improving its reliability and performance.
Which Group Size Is Recommended for the 2010 Subaru Legacy 3.6 Battery?
The recommended group size for the 2010 Subaru Legacy 3.6 battery is Group 35.
- Recommended battery group size: Group 35
- Alternative options: Group 24F, Group 75 (if modified)
- Factors to consider: cold cranking amps (CCA), reserve capacity (RC), and size compatibility
- Common battery brands: Optima, Interstate, AC Delco
When selecting a battery, it is essential to consider various factors that can influence performance and longevity.
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Recommended Battery Group Size: The recommended battery group size for the 2010 Subaru Legacy 3.6 is Group 35. This size fits the vehicle’s specifications for dimensions, terminal locations, and connection types needed for optimal performance.
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Alternative Options: Alternative battery group sizes like Group 24F and Group 75 may fit, especially in modified vehicles. However, it is crucial to ensure they meet the vehicle’s power requirements and physical space.
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Factors to Consider: Important factors include cold cranking amps (CCA) and reserve capacity (RC). CCA measures how well the battery can start an engine in cold temperatures. A higher CCA rating is beneficial for reliable starts in colder climates. Reserve capacity indicates how long a battery can run on its own power without the engine. Choosing a battery with excellent CCA and RC ensures reliability.
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Common Battery Brands: Popular brands for Group 35 batteries include Optima, Interstate, and AC Delco. These brands offer high-quality batteries with good warranties and customer reviews. Selecting a reputable brand can contribute to better performance and longevity.
What Is the Required Cold Cranking Amps (CCA) for the 2010 Subaru Legacy 3.6?
The Required Cold Cranking Amps (CCA) for the 2010 Subaru Legacy 3.6 is between 600 to 650 CCA. CCA stands for Cold Cranking Amps, which measures a car battery’s ability to start an engine in cold temperatures. It indicates how much current the battery can provide at 0°F (-18°C) for 30 seconds while maintaining a voltage of at least 7.2 volts.
According to the Battery Council International, CCA ratings are critical for ensuring reliable engine starting in cold weather conditions. A higher CCA rating often reflects better performance during frigid temperatures.
The CCA is particularly vital for vehicles operating in regions with subzero temperatures. A battery with an insufficient CCA may struggle to start the engine, leading to potential breakdowns and inconveniences. Factors like battery age, temperature, and the vehicle’s electrical system can influence a battery’s performance.
Additional sources, like the National Renewable Energy Laboratory, emphasize the importance of selecting the right battery size to ensure optimal vehicle performance. Using the manufacturer’s specifications can prevent starting issues and extend battery life.
Common causes of reduced CCA include sulfation, corrosion, and damage from extreme temperatures. These conditions can lead to battery failure, especially in automobiles left unused for long periods.
Statistics show that around 50% of battery failures are attributed to insufficient CCA, according to the International Renewable Energy Agency. Projections indicate that using batteries with proper CCA specifications can reduce breakdowns significantly.
The broader consequences of inadequate CCA include increased transportation costs due to roadside assistance. It can also stress vehicle components, thereby increasing maintenance expenses and impacting mobility.
This issue affects various dimensions such as society, where breakdowns can cause delays and economic losses. Environmentally, improper battery disposal due to failures contributes to pollution.
For addressing CCA challenges, experts recommend regular battery maintenance, timely replacements, and adherence to vehicle specifications. The American Automobile Association suggests checking battery health every six months.
Adopting practices like routine battery checks and investing in quality batteries with suitable CCA ratings can help mitigate starting issues. Utilizing emerging battery technology may further enhance reliability in cold weather.
What Are the Best Battery Brands for the 2010 Subaru Legacy 3.6 and Why?
The best battery brands for the 2010 Subaru Legacy 3.6 include Interstate, Optima, Exide, and ACDelco. These brands are known for their reliability, durability, and performance in various conditions.
- Interstate Batteries
- Optima Batteries
- Exide Batteries
- ACDelco Batteries
In exploring the best battery brands for your vehicle, it is essential to examine each brand’s unique characteristics and benefits. Below is a detailed explanation of each battery brand and its attributes.
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Interstate Batteries:
Interstate Batteries is recognized for its high-quality automotive batteries. This brand offers a wide range of batteries suitable for various vehicles, including the Subaru Legacy. Interstate batteries typically have a long lifespan, solid warranties, and robust performance in extreme weather conditions. They are also known for their high reserve capacity, which is crucial for powering electronics when the engine is off. -
Optima Batteries:
Optima Batteries are distinguished by their spiral cell technology, which provides superior vibration resistance and deep-cycle capabilities. This technology improves the battery’s resilience to the demands of various driving conditions. Optima batteries deliver strong starting power and are well-suited for high-performance vehicles. They may be a preferred choice for drivers seeking enhanced power alongside reliability. -
Exide Batteries:
Exide Batteries offer a range of options tailored to different driving needs. Exide is known for producing batteries that are both affordable and efficient. Many consumers appreciate Exide’s commitment to sustainability through recycling and environmentally friendly practices. Their products often come with competitive warranties, making them a cost-effective choice for drivers looking to balance performance and value. -
ACDelco Batteries:
ACDelco, a brand associated with General Motors, produces reliable automotive batteries designed to meet the needs of various vehicles. These batteries are known for their superior build quality and longevity. ACDelco batteries typically provide reliable starting power and are backed by warranties that assure customers of their quality. Drivers who prefer compatibility with GM vehicles often find ACDelco to be a trustworthy option.
Choosing the right battery involves considering performance, warranty, price, and brand reputation. Each of these brands provides unique advantages, allowing consumers to select a battery that best suits their preferences and driving conditions.
What Steps Should You Follow for Replacing the Battery in a 2010 Subaru Legacy 3.6?
To replace the battery in a 2010 Subaru Legacy 3.6, follow these steps:
- Gather necessary tools.
- Open the hood.
- Disconnect the negative battery terminal.
- Disconnect the positive battery terminal.
- Remove the battery hold-down bracket.
- Lift out the old battery.
- Clean the battery tray and terminals.
- Place the new battery in the tray.
- Reconnect the hold-down bracket.
- Reconnect the positive battery terminal.
- Reconnect the negative battery terminal.
- Close the hood.
Following these steps will ensure that you correctly replace the battery in your vehicle. It is important to consider safety and compatibility during the process.
Now, let’s explore the details of each step involved in replacing the battery.
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Gather Necessary Tools:
Gather necessary tools, such as a socket wrench, pliers, and a safety glove. Tools ensure you are prepared and facilitate a smooth battery replacement. -
Open the Hood:
Open the hood of your Subaru Legacy. Secure it with the hood prop to keep it stable during the battery replacement process. -
Disconnect the Negative Battery Terminal:
Disconnect the negative battery terminal first. This step prevents any electrical shorts during the replacement and is a safety precaution. -
Disconnect the Positive Battery Terminal:
After the negative is disconnected, remove the positive battery terminal. This ensures the battery is completely isolated before removal. -
Remove the Battery Hold-Down Bracket:
Remove the battery hold-down bracket, usually secured with bolts. This bracket keeps the battery in place and must be removed to access the battery. -
Lift Out the Old Battery:
Carefully lift out the old battery. Batteries can be heavy, so ensure you have a firm grip and use proper lifting techniques to avoid injury. -
Clean the Battery Tray and Terminals:
Clean the battery tray and terminals with a mixture of baking soda and water. This step prevents corrosion and ensures a better connection for the new battery. -
Place the New Battery in the Tray:
Place the new battery in the tray, ensuring it is oriented correctly, with terminals accessible for reconnection. -
Reconnect the Hold-Down Bracket:
Reconnect the hold-down bracket to secure the battery in place. This step prevents movement of the battery while driving. -
Reconnect the Positive Battery Terminal:
Reconnect the positive battery terminal first. This allows for proper electrical connection and ensures safety. -
Reconnect the Negative Battery Terminal:
Reconnect the negative battery terminal last. This step is crucial for avoiding electrical shorts and completing the connection. -
Close the Hood:
Finally, close the hood securely. Confirm that everything is in order before driving your Subaru Legacy.
By following these steps, you can effectively replace the battery in a 2010 Subaru Legacy 3.6. Consistent maintenance of your vehicle’s battery will enhance its lifespan and ensure optimal performance.
How Can You Safely Remove the Old Battery from a 2010 Subaru Legacy 3.6?
To safely remove the old battery from a 2010 Subaru Legacy 3.6, follow these steps: disconnect the negative terminal first, then the positive terminal, remove any hold-downs, and finally lift the battery out.
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Disconnect the negative terminal:
– Locate the battery, which is usually found in the engine compartment.
– Use a wrench to loosen the bolt on the negative terminal (marked with a minus sign).
– Remove the negative cable and tuck it away to prevent accidental contact. -
Disconnect the positive terminal:
– Next, identify the positive terminal (marked with a plus sign).
– Use a wrench to loosen the bolt on the positive terminal.
– Carefully remove the positive cable. -
Remove any hold-downs:
– Check for any bracket or hold-down device securing the battery in place.
– Use the appropriate tools, typically a socket wrench, to remove these fasteners. -
Lift the battery out:
– Ensure you have a firm grip on the battery handles, if available, as batteries can be heavy and awkward.
– Carefully lift the battery straight up out of the tray. -
Dispose of the old battery safely:
– Take the old battery to a proper recycling center or a retailer that offers battery disposal services. This prevents hazardous materials from harming the environment.
Following these steps can help you safely and effectively remove the old battery from your vehicle, ensuring both your safety and the functionality of your car.
How Do You Properly Install a New Battery in the 2010 Subaru Legacy 3.6?
To properly install a new battery in the 2010 Subaru Legacy 3.6, you should follow these steps: gather necessary tools, disconnect the old battery, install the new battery, and reconnect everything securely.
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Gather necessary tools: You need a socket wrench, safety gloves, and safety goggles. These tools help ensure a safe and effective battery installation.
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Disconnect the old battery: First, turn off the engine and remove the keys. Then, use the socket wrench to remove the negative terminal clamp (black) followed by the positive terminal clamp (red). Always disconnect the negative terminal first to prevent electric shock.
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Remove the old battery: The battery is usually held in place by a securing bracket. Use the socket wrench to remove the bracket. Then, carefully lift the old battery out of the tray. Be cautious, as batteries can be heavy.
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Install the new battery: Place the new battery into the tray, ensuring the positive terminal is aligned with the positive cable. Secure the battery with the bracket to prevent movement.
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Reconnect the terminals: First, connect the positive terminal (red) and ensure it is tight. Then, connect the negative terminal (black). This order is crucial to avoid short-circuiting.
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Test the installation: Start the vehicle to make sure the battery installation is successful. Ensure all dashboard indicators are functioning correctly.
Following these steps ensures a safe battery installation in your 2010 Subaru Legacy 3.6.
What Signs Indicate That Your 2010 Subaru Legacy 3.6 Needs a New Battery?
The signs indicating that your 2010 Subaru Legacy 3.6 needs a new battery include a slow engine crank, dimming headlights, dashboard warning lights, and an old battery.
- Slow Engine Crank
- Dimming Headlights
- Dashboard Warning Lights
- Old Battery Age
Recognizing these signs is crucial for maintaining your vehicle’s performance and reliability.
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Slow Engine Crank:
The sign of a slow engine crank occurs when the engine takes longer than usual to start. This often results from insufficient battery power. When turning the key, if you hear a sluggish or labored sound, your battery may be failing. The typical lifespan of a car battery is around three to five years, and a slow crank can indicate reduced power output. -
Dimming Headlights:
Dimming headlights signify battery issues as well. If you notice that your headlights grow dimmer when idling or flicker when using electronics, the battery may not be supplying enough voltage. Consistent dimming can lead to decreased visibility and pose safety risks. -
Dashboard Warning Lights:
Dashboard warning lights can be indicators of battery problems. A battery-shaped light may illuminate, indicating an issue with battery or charging system. Many vehicles have onboard diagnostics that can give early warnings about potential battery failures, ensuring you remain informed about your vehicle’s health. -
Old Battery Age:
An old battery is a common reason for battery replacement. If your battery is over three years old, it’s essential to have it tested regularly. Most batteries have a manufacture date stamped on them, and knowing this can help you plan for necessary replacements before issues arise.
Monitoring these signs can help you prevent unexpected vehicle breakdowns and ensure your Subaru remains reliable.
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