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Pièces de transmission
Tambour de friction avant, arbre plein, de la transmission 4R70E, 4R70W et 4R75E
The **forward clutch drum with solid shaft** in an automatic transmission: 1. **Power Transfer Hub** – Connects input torque to planetary gearsets for forward drive. 2. **Clutch Pack Anchor** – Houses friction plates/steels engaged hydraulically (D/1-2-3 gears). 3. **Direct Mechanical Link** – Solid shaft ensures rigid torque delivery (no flex vs. hollow designs). 4. **Durability Focus** – Resists torsional stress from engine load. Failure = forward gear loss or shudder!
Assemblage de moyeu d'embrayage Audi ZF 8HP55A Pièces moulées en six parties 1087475012
The Audi C' clutch hub assembly is a critical drivetrain component in dual-clutch (DSG/DCT) or multi-speed automatics. Key points: Function – Transfers torque between clutch packs and gearsets, enabling smooth shifts. Material – High-strength steel or alloy, often heat-treated for durability under load. Design – Splined or grooved to engage clutch plates/friction discs; may integrate bearings or bushings. Failure Modes – Wear on splines/grooves, cracking, or warping due to
GA8G45AW Corps de soupape de transmission automatique Armoire de câblage 24007936442 Pour BMW X1 F48 Avec version double capteur de température de l'huile
The automatic transmission valve body wiring harness is a crucial electrical interface, connecting solenoids, sensors, and switches to the TCM (Transmission Control Module). Key points: Function – Transmits signals for solenoid activation (shift control, pressure regulation) and sensor feedback (speed, temperature). Components – Includes terminals, connectors, and shielded wires to prevent EMI interference. Common Issues – Broken wires, corroded pins, or poor connections
GA8G45AW Corps automatique de transmission de soupape de câblage 24008744992 Pour BMW X1 F48 Version de capteur de température d'huile unique
The automatic transmission valve body wiring harness is a crucial electrical interface, connecting solenoids, sensors, and switches to the TCM (Transmission Control Module). Key points: Function – Transmits signals for solenoid activation (shift control, pressure regulation) and sensor feedback (speed, temperature). Components – Includes terminals, connectors, and shielded wires to prevent EMI interference. Common Issues – Broken wires, corroded pins, or poor connections
GA8G45AW 4FA040 Assemblage de convertisseur de couple hydraulique 24408699936 Pour Mini F54
"The 4FA040 torque converter is a hydraulic coupling unit with three key functions: Torque Multiplication: 2:1 stall ratio (approx.) for initial acceleration via stator clutch. Lock-Up Clutch: Electronically controlled friction disc (engageable above 25 mph) for direct drive efficiency. Cooling: Integrated impeller circulates ATF to the radiator cooler. Common Failures: TCC shudder (P0741/P2714 codes) from worn clutch material Needle bearing wear causing turbine wobble Seal
Filtre à huile interne de la transmission à double embrayage 7DCT330 5501673496
Location: Typically housed in the transmission valve body or oil pan (serviceable without full disassembly). Function: Filters 5-10 micron particles from transmission fluid, preventing solenoid and clutch pack contamination. Material: Multi-layer synthetic fiber or metal mesh construction for high flow (3-4 L/min) and heat resistance (up to 130°C/266°F). Service Interval: Recommended every 60,000 km (37,000 miles) or with fluid changes. Clogging triggers P2714 (pressure
Moyeu de roue de roue libre de marche arrière à basse vitesse General Motors 6T30 Cruze Sonic 2013 et ultérieures
"The 6T30's low/reverse one-way clutch hub is a critical rotational control component in the transmission's planetary gearset. Key characteristics: Function: Engages during low gear and reverse to prevent counter-rotation, while freewheeling in other gears. Common Issues: Prone to wear or roller clutch failure, causing slipping in low/reverse (common symptom: delayed reverse engagement). Material: Typically hardened steel construction for durability under torque loads.
Pour Audi E-type Assemblage de moyeu d'embrayage ZF 8HP55A 38 cannelures et engrenage correspondant 1087471023
The Audi E-clutch hub assembly is a precision component in DCT/DSG or high-performance automatics. Key analysis: Role – Links clutch packs to gearsets, enabling rapid torque transfer in multi-plate setups. Material – Forged steel or billet alloy, hardened for extreme stress/heat resistance. Design – Features intricate splines, lubrication channels, and often integrated synchronizer surfaces. Failures – Spline wear, thermal distortion, or micro-fractures from aggressive shifts
10R60 Assemblage d'embrayage automatique à 10 rapports CDF Assemblage de moyeu à trois composants L1MZ-7H351-B
The 10-speed automatic transmission clutch assembly is a high-precision, multi-plate hydraulic actuator enabling seamless gear transitions. Key analysis: Function – Engages/disengages specific planetary gearsets via electronically controlled hydraulic pressure (PWM solenoids). Design – Stacked friction/steel plates with laser-welded clutch drums, low-inertia pistons, and dynamic balance grooves for 300+ ft-lb torque handling. Failure Modes Plate glazing : From overheating
