TR580 Transmission for Sale

About the TR580 Transmission

Give your Subaru the transmission upgrade it needs with a quality used TR580 Continuously Variable Transmission. What you need to pair with a turbocharged Subaru boxer engine is a robust, efficient, high-torque-specific transmission. The TR580 transmission for sale here provides smooth, seamless acceleration with optimized fuel economy for an enjoyable commute or highway cruise.

Built to handle torque figures of up to 580 Nm (~428 lb-ft), it's just right for models like the WRX (2015-2021 CVT variants), Forester XT (2014-2018), and many 2.5L Subaru applications. This used unit delivers an economical and quality-conscious solution compared to new transmissions without sacrificing any performance or reliability.

Don't let this chance pass to revive your Subaru's drivetrain with a reliable TR580 CVT.

Transmission Overview: TR580

The TR580 transmission marks a leap forward in Subaru's CVT technology, designed specifically for high-performance applications. Developed under Subaru's Lineartronic branding, it uses a chain-driven system to handle the increased torque from turbocharged engines like the FA20DIT in the WRX.

Its adaptive control system optimizes performance across various driving conditions, learning driver behavior over time. The TR580 features a manual mode with paddle shifters, simulating eight-gear ratios for a more engaging drive. Seamlessly integrated with Subaru's Symmetrical All-Wheel Drive, it enhances overall vehicle dynamics. Advanced torque management and reduced internal friction improve both acceleration and efficiency.

The TR580 transmission for sale here successfully balances the smooth operation of a CVT with the responsiveness required by performance enthusiasts, making it a versatile choice for modern Subaru vehicles.

Decoding the TR580 Name and Variant Codes

Understanding Subaru's transmission naming convention:

• TR: Subaru's transmission family designation prefix
• 580: The approximate torque capacity in Newton-Meters (~580 Nm, ~428 lb-ft)
• Suffix codes (GHZAB, GHZAA, GHZBB, GHZBC, etc.): Application-specific calibration codes indicating exact configuration

Common TR580 Variant Codes

• Critical: When ordering, provide your exact VIN and application year to verify the correct TR580 variant code matches your vehicle.

TR580 Features in Detail

Chain-Drive Design (Not Belt-Drive)

The TR580 uses a high-strength steel chain running between variable-diameter pulleys, rather than the steel belt found in lower-torque CVTs:

• Belt-drive CVTs: Lower torque capacity (typically 200-400 Nm), used in smaller engines and budget applications
• Chain-drive CVTs (TR580): Higher torque capacity (580 Nm), suitable for turbocharged engines

The chain design is more durable under high-torque conditions and provides better long-term reliability for performance applications.

Variable Pulley System

Two pulleys (input and output) change their effective working diameter via hydraulic actuation:

• Acceleration: Input pulley diameter decreases, output pulley increases , higher gear ratio (more torque multiplication)
• Cruising: Input pulley diameter increases, output pulley decreases , lower gear ratio (more efficiency)
• Continuous transitions: Smooth, stepless ratio changes maintaining optimal engine RPM

8-Speed Manual Mode (Paddle Shifters)

For performance applications, the TR580 simulates a traditional 8-speed transmission:

• Pull right paddle: Upshift to next preset ratio
• Pull left paddle: Downshift to next preset ratio
• Hold the selected ratio: CVT locks the pulley positions at the simulated gear
• Sport / Sport Sharp modes: More aggressive shift patterns and faster torque converter lockup

Electronic Control Module (ECM)

• Adaptive learning: Adjusts behavior to driver style over time
• Multiple driving modes: Normal, Sport, Sport Sharp (varies by application)
• Torque converter management: Lockup engagement during cruising for efficiency, disengagement for smooth low-speed driving
• AWD coordination: Communicates with AWD system for optimal torque distribution

Lockup Torque Converter

• At low speeds and acceleration: Torque converter slips like traditional automatic for smoothness
• At cruising speeds: Lockup clutch engages, eliminating slippage for fuel efficiency
• Wider lockup operation than traditional automatics: CVT can maintain lockup across a wider speed range

Vehicle Applications (Direct Fit)

• Important: Not all CVT applications in these vehicles use the TR580 specifically , some use the lower-torque TR690 or other CVT variants. Verify the specific variant code matches your application.

Distinction from TR690

Don't confuse the TR580 with the TR690:

Both are part of Subaru's Lineartronic CVT family but for different torque ranges.

Common TR580 Service Items (Honest Disclosure)

While the TR580 is generally robust, documented service items include:

CVT Fluid Service (Critical)

• The most important TR580 maintenance item:
• Specification: Subaru CVT-II fluid , high-torque-specific formulation, NEVER substitute with regular ATF or other CVT fluids
• Service interval: 30,000 miles for "severe" conditions, 60,000 miles standard, immediately after any towing or hot-environment operation
• Cost: $200-400 with fluid and filter
• Importance: Wrong fluid or skipped service is the #1 cause of premature TR580 failure

Torque Converter Lockup Clutch Wear

At high mileage (120,000+ miles), torque converter lockup clutch can develop slip. Symptoms: shudder during low-speed cruising at lockup engagement. Service: torque converter replacement.

Valve Body Issues

Some examples develop valve body issues at very high mileage producing erratic shift behavior. Service: valve body rebuild or replacement.

Chain and Pulley Service

At very high mileage (200,000+ miles), chain stretch and pulley wear can develop. Major overhaul or replacement required.

Overheating in Towing

CVTs are more sensitive to heat than traditional automatics. Towing applications should add an auxiliary CVT cooler. Do not exceed Subaru's stated towing capacity for TR580-equipped vehicles.

Why Choose a Used TR580 Transmission?

• Cost savings vs new ($1,399 used vs $4,500-7,500 new from Subaru)
• Cost savings vs reman ($1,399 used vs $2,800-4,500 reman plus core)
• Direct OEM fit for WRX CVT, Forester XT, and many 2010+ 2.5L Subaru applications
• Subaru-engineered , no aftermarket CVT alternatives at this performance level
• Strong availability , high-volume Subaru transmission across many models
• Maintained value , properly serviced TR580 transmissions retain function reliably

Here at Vaz Auto Solutions, you'll find this TR580 transmission for sale at the most reasonable price possible, with variant verified (TR580 with appropriate suffix code), donor vehicle confirmed, CVT operation tested across all ratios, 8-speed manual mode verified, torque converter lockup tested, chain condition inspected, and complete inspection.

Vehicle Compatibility

Direct Fit:

Condition and Inspection

• Variant verified (TR580 specifically, with appropriate GHZAB / GHZAA / GHZBB / GHZBC suffix code)
• Donor vehicle confirmed (WRX CVT, Forester XT, Legacy 2.5i, Outback 2.5i, or other compatible Subaru)
• CVT operation tested across all gear ratios (continuous variable function verified)
• Pulley response verified under load
• 8-speed manual mode tested via paddle shifters (all 8 preset ratios verified)
• Torque converter lockup function verified (engagement and disengagement)
• Valve body operation tested
• Chain condition inspected (critical high-torque CVT service area)
• CVT fluid condition assessed (Subaru CVT-II fluid specification)
• Driving mode selector function tested (Normal, Sport, Sport Sharp if applicable)
• Mounting points verified
• Bellhousing condition inspected (no cracks or damage)
• AWD output flange condition verified
• Driver and passenger side output shaft seal condition checked
• Front and rear pump function verified
• Adaptive learning module tested
• Oil leak inspection completed (bellhousing, output shafts, pan)
• Miles from donor vehicle documented where available
• Variant correctly identified (TR580 with specific suffix code)
• CVT operation tested across all gear ratios
• 8-speed manual mode tested via paddle shifters
• Torque converter lockup function verified
• Chain condition inspected
• CVT fluid condition assessed
• Donor vehicle and mileage documented
• Cross-reference assistance across WRX CVT / Forester XT / Legacy / Outback applications
• TR580 vs TR690 verification (different torque capacities for different applications)
• Subaru CVT-II fluid service guidance
• Performance build and tuning consultation for FA20DIT applications
• Free freight pallet delivery to all 50 states
• 15 day replacement warranty on internal defects
• Subaru Lineartronic CVT specialist support team