Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2016LEGACY 2.5IREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSCONTINUOUSLY VARIABLE TRANSAXLE (CVT) (H4DO)
2016 Subaru Legacy 2.5i
Continuously Variable Transaxle (CVT) (H4DO)
2016 Subaru Legacy 2.5iSECTION Continuously Variable Transaxle (CVT) (H4DO)
- General Description
- Specification
- Components With Torque Specifications
- Torque Converter Assembly And Converter Case
- Oil Pump Assembly
- Transmission Case
- Control Valve Body
- Reverse Brake Assembly
- Forward Clutch Assembly
- Transmission Control Device
- Primary Pulley, Secondary Pulley & VARIATOR Chain And Reduction Drive Gear
- Front Differential Gear
- Transfer And Extension Case
- Transmission Harness And Sensor
- CVTF Cooler (With Warmer Feature)
- CVTF Cooler Pipe And Hose
- Transmission Control Module
- Transmission Mounting
- Caution
- Preparation Tool
- CVTF
- Differential Gear Oil
- AWD ON/OFF Switching Mode
- Road Test
- Stall Test
- Time Lag Test
- Secondary Pressure (Line Pressure) Test
- Transfer Clutch Pressure Test
- Automatic Transmission Assembly
- Transmission Mounting System
- Extension Case Oil Seal
- Differential Side Retainer Oil Seal
- Inhibitor Switch
- Turbine Speed Sensor
- Secondary Speed Sensor
- Primary Speed Sensor
- Secondary Pressure Sensor
- Oil Pan and Strainer
- Control Valve Body
- Transmission Harness
- X MODE Switch
- Removal
- Installation
- Inspection
- Check Switch Unit
- Check X Mode System
- Pressing X Mode Switch Does Not Change The X Mode Display In The Combination Meter And Mode Does Not Switch To X Mode
- When Switched To X Mode, "X" Mode Display In Combination Meter Flashes In After Approx. 5 Seconds
- When Switched To X Mode, "X" Mode Display In Combination Meter Flashes
- Transmission Control Module (TCM)
- Relay and Fuse
- CVTF Cooler (With Warmer Function)
- CVTF Cooler Pipe and Hose
- CVTF Cooler (Air Cooling)
- Air Breather Hose
- Drive Plate
- Torque Converter Assembly
- Preparation for Overhaul
- Extension Case
- Transfer Clutch
- Transfer Driven Gear
- Parking Pawl
- Reduction Driven Gear
- Transmission Control Device
- Transmission Case
- CVTF Filter
- Reduction Drive Gear
- Primary Pulley and Secondary Pulley
- Variator Chain
- Reverse Brake Assembly
- Forward Clutch Assembly
- Drive Pinion Shaft Assembly
- Front Differential Assembly
- Oil Pump Chain
- Oil Pump
- Converter Case
- Diagnostics with Phenomenon
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.