GW7DCT2-A02 1500000CDB221 Remanufactured Dual-clutch Automatic Transmission For Changan
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Application: 7-speed wet-clutch DCT (e.g., GW4D20/4N20 engine models, torque-rated ~450Nm).
Rebuild Enhancements:
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Clutch Pack Upgrades: Carbon-coated friction plates (30% longer life vs OEM)
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Mechatronic Unit: Recalibrated shift solenoids (addresses P283A/P284B faults)
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Bearing Kits: Ceramic hybrid input shaft bearings
Critical Failure Fixes:
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Shift Fork Wear: Hardened guide rails (+PTFE coating)
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TCU Software: Pre-loaded cold-shift optimization
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Shaft Seal Leaks: Viton-reinforced designs
Installation Musts:
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Fluid: Great Wall DCT-F only (5.8L capacity)
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Adaptation Reset: Via GW-DS diagnostic tool
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Clutch Learn: 30-cycle initialization


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CDB221 Dual-Clutch Automatic Transmission
,GW7DCT2-A02 Automatic Transmission
,Dual Clutch Automatic Transmission for Changan
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