018CHA Automatic Transmission CVT Applicable To The 1.0B Gearbox Assembly Of Chery Tiggo 4Pro
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Function: Belt-driven CVT with adaptive pressure control for 1.0L turbo engines (156Nm torque capacity).
Key Features:
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Pushbelt Design: Bosch Van Doorne-type steel bands (9mm width for compact packaging)
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Electronic Cooling Valve: Regulates fluid flow based on TCU temp readings
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Shift Logic: Simulates 7-step "stepped" ratios for driver familiarity
Failure Modes:
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Belt Slippage: Low pulley pressure (P17F0, often from clogged filter)
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Pulley Sensor Fault: Causes erratic ratio changes (P2817)
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Auxiliary Pump Wear: Start-stop system strain leads to delayed engagement
Critical Maintenance:
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Fluid: Chery CVT-J4 only (every 60k km)
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Adaptation Reset: Required after fluid service
Pro Tip: Monitor pulley ratio PID – deviation >8% from commanded indicates belt wear.

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Tiggo 4 Pro CVT Transmission
,Tiggo 4 Pro Automatic Transmission
,1.0B Tiggo 4 Pro Automatic Transmission
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Remanufactured Transmission: The Smart Choice It's not "used," it's professionally rebuilt to meet or exceed OEM standards . The Process: Complete teardown to the last bolt. Clean & inspect every part. Replace all wear items (clutches, seals, etc.) with new ones. Reassemble to exact specifications. Dynamically test on a simulator. Why It's Better Than Used: Reliable: Performs like new with a warranty (typically 12-24 months). Cost-effective: 50-70% the price of new. Fast: -
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