U760E U760F Automatic Transmission Rear Planetary Gear Assembly 3572033050
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Function: Final torque multiplication stage in planetary transmissions, typically controlling overdrive/reverse gear ratios.
Key Components:
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Sun Gear: Hardened steel core with ground teeth (HRC 60+)
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Planet Carrier: Precision-machined with needle bearing pockets
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Ring Gear: Often integrated into transmission case
Failure Modes:
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Sun Gear Spline Wear: Causes ratio slippage (P0730-P0733 codes)
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Pinion Bearing Failure: Results in gear whine (check endplay <0.2mm)
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Carrier Cracks: Stress fractures near thrust surfaces
Critical Measurements:
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Sun-to-pinion backlash: 0.08-0.15mm
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Axial play: <0.25mm (adjust via selective washers)
Pro Tip: Always replace planetary sets as complete assemblies – mixed components alter load distribution.
(Covers fundamental planetary mechanics and rebuild protocols.)

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U760F Planetary Gear Assembly
,U760E Planetary Gear Assembly
,3572033050 Rear Planetary Gear Assembly
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