Can a Subaru transmission be repaired?

Yes, a Subaru transmission can generally be repaired or rebuilt, though for many Lineartronic CVTs the practical option may be replacement, depending on the fault and model.

Subaru's lineup uses manual transmissions, traditional automatics, and the Lineartronic CVT. This article explains repair feasibility, common failure modes, and how owners can approach diagnosis and repairs.

Understanding Subaru transmissions

Manual transmissions

Manual gearboxes in Subaru models (typically 5- or 6-speed) rely on a clutch and synchronizers. Common repairs involve replacing the clutch kit, pressure plate, flywheel, or worn synchronizers.

Automatic transmissions

Most Subarus with traditional automatics use 4-, 5-, or 6-speed transmissions depending on the year. Repairs focus on the valve body, solenoids, clutches (where applicable), and internal wear components. Fluid quality and overheating can hasten wear.

CVTs (Lineartronic)

Subaru's Lineartronic CVT uses belts and pulleys controlled by a transmission control unit. Repair options vary by fault; some issues are addressed with fluid service or software updates, but more advanced problems often require replacement or a remanufactured unit.

When is repair feasible vs replacement

In general, conventional automatics and manual transmissions offer repair paths for worn components, while CVTs are more dependent on the fault. A cracked case, severe belt wear, or damage to the pulley network often forces a replacement or remanufactured unit rather than a simple repair.

Common problems and repair options

Below are typical issues Subarus encounter, with what mechanics may do to fix them.

• CVT shudder, jerking, or hesitations at steady speeds — possible fixes include a software update, CVTF replacement with Subaru-approved fluid, or belt/pulley inspection; severe wear may require a full CVT replacement or remanufacture.


• CVT slipping or loss of power — diagnostics for belt wear, pulley condition, and control module; repair may involve fluid service or replacement of the CVT assembly.


• Overheating or fluid leaks — fix cooling lines, radiators, or seals and replace or top up CVTF; overheating accelerates wear.


• Valve body or solenoid issues in traditional automatics — solenoid replacement, valve body rebuild, or computer reprogramming.


• Clutch wear or failure in manual transmissions — clutch kit replacement, flywheel resurfacing or replacement, and linkage inspection.


• Electronic control/software faults — reprogramming or module replacement; keep firmware updated.

Deciding between repair and replacement depends on the specific fault, the age and mileage of the vehicle, and the availability of remanufactured units. For many CVTs, replacement with a remanufactured unit is a common route when belt or pulley damage is extensive.

What to expect in diagnosis and repair

Owners facing transmission trouble should pursue a formal diagnosis to determine repair options and costs.

• Initial diagnostic check: read transmission fault codes, inspect fluid condition, perform a test drive to reproduce symptoms.


• Assess repair vs replacement: based on fault type, mileage, and parts availability, decide whether components can be repaired or if a full unit replacement is warranted.


• Choose a service path: CVT-specific repairs, valve body or solenoid service for automatics, or clutch components for manuals; may involve remanufactured units.


• Warranty and timing: check whether a shop offers a warranty on repairs and whether Subaru provides a dealership warranty for reman units.

Tip: Because CVTs are highly specialized, working with a technician experienced in Subaru transmissions or a Subaru-certified shop can improve diagnosis accuracy and repair success.

Costs and service options

Costs vary by transmission type, fault severity, model, and labor rates. Here are typical options.

• CVT-related repairs: software updates, fluid changes, or part replacements; many shops quote for CVT replacement or remanufacture if belt/pulley damage is extensive. Total costs can range from a few thousand to well over six thousand dollars depending on the unit and region.


• Traditional automatic transmissions: valve body rebuild, solenoid kit, or clutch replacement where applicable; costs usually range from around $1,000 to several thousand dollars depending on parts and labor.


• Manual transmissions: clutch kit replacement, flywheel servicing, and linkage adjustment; typical costs range from roughly $800 to $2,000 or more depending on parts and labor.


• Labor considerations: CVTs require specialized knowledge and longer labor times; expect higher rates at dealers or CVT-specialized shops.

Owners should obtain written estimates, compare remanufactured vs. new units, and consider potential warranty coverage on parts and labor.

Maintenance tips to extend life

Preventive care can help extend the life of Subaru transmissions across types.

• Follow Subaru's fluid maintenance schedule and use the recommended CVTF or ATF; avoid mixing fluids and use the specified type for your model.


• Regularly check for leaks and address cooling issues to prevent overheating, which accelerates wear in CVTs and automatics.


• Schedule proactive service: fluid replacements or flushes as recommended by Subaru, especially in CVTs, to maintain performance and reduce internal wear.


• Avoid aggressive towing or heavy-load driving that stresses the transmission, especially in CVTs and high-mileage units.


• Use proper maintenance channels: Subaru-certified technicians or shops with CVT expertise to diagnose and repair.

Note: Proper maintenance does not guarantee indefinite life, but it can improve reliability and delay major failures.

Summary

Yes, Subaru transmissions can often be repaired or rebuilt, but the path depends on the design (CVT vs conventional automatic or manual) and the fault's severity. CVTs frequently push owners toward replacement or remanufacture when damage is significant, whereas traditional automatics and manual gearboxes offer more straightforward repair paths. For any transmission issue, a thorough diagnosis from a qualified technician, transparent cost estimates, and a clear understanding of long-term ownership costs are essential. Regular maintenance, using Subaru-approved fluids and adhering to service intervals, remains the best defense against unexpected transmission problems.

Are subarus known to have transmission problems?

Yes, Subarus have had transmission problems, particularly with some older Continuously Variable Transmissions (CVTs). However, newer models have seen marked improvements and are generally more reliable, especially with proper maintenance like following service intervals and regularly changing the transmission fluid. 
Common transmission issues

• CVT failure: Some earlier models of CVTs had a reputation for issues such as shuddering, stalling, and hesitation. 
• Fluid degradation: Lack of proper CVT fluid maintenance can lead to overheating and failure. 
• Valve body problems: The valve body, which controls hydraulic pressure, can fail or have issues with its solenoids. 
• Chain slip: In certain models, particularly some newer ones, the CVT chain has been known to slip or break. 
• Torque converter issues: The torque converter is a potential failure point in some Subaru CVTs. 

Factors affecting reliability

• Maintenance is key: Proper and timely maintenance, especially the regular replacement of CVT fluid (at intervals like 30,000 to 40,000 miles), is crucial to prevent problems. 
• Model year and design: Newer model years have seen significant improvements in CVT design, durability, and cooling, which has resolved many issues found in earlier versions. 
• Usage and stress: Excessive strain, such as heavy towing or aggressive off-road use that exceeds the vehicle's design limits, can contribute to transmission problems. 

Symptoms of a failing transmission

• Gear shifting problems (hesitation, jerking)
• Reddish-brown fluid leaks on the ground
• A burning smell
• High-pitched whining or droning noises
• Vehicle hesitating to move into gear 

How much does it cost to fix a Subaru transmission?

Subaru transmission repair costs vary widely, with minor repairs ranging from a few hundred dollars, while a full replacement can cost $1,800 to over $8,000 depending on the type of transmission, parts used, and labor. A new or remanufactured CVT (Continuously Variable Transmission) is typically the most expensive, costing from $6,500 to $10,000 or more, while manual transmission replacements are often in the $1,500 to $3,000 range. Using a used transmission can significantly lower the cost of a replacement, and routine maintenance like a fluid change is a much cheaper way to extend its life. 
Cost breakdown

• Minor repairs: Can be as low as a few hundred dollars, depending on the issue. 
• Manual transmission replacement: Around $1,500 to $3,000. 
• Clutch replacement (manual transmission): Can range from $800 to $1,500. 
• Automatic transmission replacement: Can range from $1,800 to $3,400 or more. 
• CVT replacement (new or remanufactured): Can cost $6,500 to $10,000 or more, with some estimates going up to $8,000 for installation. 
• Used transmission replacement: Significantly cheaper, potentially bringing the cost down to $2,500 to $4,500 or less. 
• CVT fluid change (maintenance): A much cheaper alternative to replacement, costing around $250-$500. 

Factors that influence the cost

• Transmission type: CVTs are generally more expensive to replace than manual or traditional automatic transmissions. 
• Parts: The cost of new, remanufactured, or used parts varies significantly. Using a used transmission can save a large amount of money. 
• Labor: Labor costs depend on the mechanic's hourly rate and the complexity of the repair. 
• Vehicle model and year: The specific model and year of your Subaru can impact the final price. 

What is the life expectancy of a Subaru transmission?

I see some with 50k go bad and others well over 200k even with crappy maintenance history. In general you can expect the lifespan to compare to most other transmissions.

Does Subaru rebuild transmissions?

Genuine Subaru Remanufactured Automatic Transmission
Because this work of engineering is so complicated, only Subaru certified technicians are qualified to take it apart and put it back together, replacing elements as needed and checking every detail to ensure it qualifies for the Subaru Warranty.