Brand Name:
Beijing Benz
Model Number:
724.0
Function: Electromechanically actuates synchronizer sleeves for gear engagement in Mercedes-Benz transverse DCTs (e.g., A-Class, CLA).
Key Components:
Forged Aluminum Forks: Anodized contact surfaces (OEM A2462800180)
Guide Rails: Hardened steel with PTFE coating for low friction
Position Sensors: Hall-effect type for TCU feedback (0.1mm accuracy)
Failure Modes:
Fork Pad Wear: Causes incomplete synchro engagement (grinding noise)
Rail Scoring: Contaminated fluid creates drag (P283A/P283B codes)
Sensor Faults: Leads to "Transmission Emergency Mode"
Critical Specs:
Fork-to-sleeve clearance: 0.3-0.5mm
Rail straightness: <0.05mm deviation
Pro Tip: Always replace forks in pairs – uneven wear causes shift force imbalance.
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