JF015E AF300 CVT Remanufactured Automatic Transmission Assembly For 2020 Changan Yidong PLUS

Function: Rebuilt Jatco-style pushbelt CVT (torque-rated for 1.6L BlueCore engines ~160Nm).

Rebuild Upgrades:

• Enhanced Belt: Revised segment spacing (reduces P17F0 slippage codes)

• Valve Body Kit: Sonnax-supplied regulator valves (prevents pressure decay)

• Auxiliary Pump: High-flow impeller for start-stop reliability

Critical Failures Addressed:

1. Pulley Pitting: Hard-anodized cone surfaces

2. TCU Glitches: Pre-loaded latest firmware (TCC apply smoother)

3. Oil Pump Cavitation: Deburred fluid galleries

Must-Do Service:

• Fluid: Changan CVT-J2 only (6.3L capacity)

• Adaptation Reset: Via Changan DS tool

• Cooler Flush: 3x exchange minimum

Pro Tip: Post-installation, verify pulley ratio PID stays within ±5% of commanded.