The U151F automatic transmission low gear clutch drum assembly 3420428011 is applicable to Toyota Hanlan Da
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Function: Engages low/reverse gears by actuating multi-plate clutch packs in planetary gearset applications (common in 4WD/RWD transmissions).
Key Components:
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Drum Body: Hardened aluminum or steel with precision splines for clutch plate engagement
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Integrated Piston: Hydraulically actuated with reinforced seals for high-pressure apply (60-100 psi)
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Bleed Channels: Prevent clutch drag during release
Failure Modes:
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Spline Wear: Causes incomplete clutch engagement (slippage in low gear)
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Piston Seal Leaks: Results in delayed reverse engagement
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Drum Cracks: Thermal stress near weld points (sudden loss of drive)
Critical Checks:
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Measure drum runout (<0.08mm)
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Verify clutch clearance (1.0-1.8mm typical)
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Inspect for blueing (overheating evidence)
Pro Tip: Always replace drum seals during rebuilds – reused seals have 80% higher failure rate.
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3420428011 Clutch Drum Assembly
,automatic transmission Clutch Drum Assembly
,3420428011 Clutch Drum Assembly
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The A6LF2-2 hydraulic torque converter assembly is suitable for the torque converter of the Kia Sportage IV
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Product Breakdown This product is a complete Toyota Land Cruiser 4.7L J200 5-speed A750F automatic transmission assembly . The A750F is a renowned automatic transmission developed by Aisin, a Toyota-affiliated company. It's a heavy-duty, electronically-controlled 5-speed gearbox specifically engineered to handle the high torque and demands of powerful engines, such as the 4.7L V8 found in the J200 series Land Cruiser. The "F" in A750F indicates it's designed for 4x4 (four -
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