Brand Name:
FORD
Model Number:
6R60 6R75 6R80
**6R80 Direct Clutch "B" Drum Assembly :
1. **Function** – Engages **3rd, 5th, and 6th gears** by locking planetary components via hydraulic pressure.
2. **Key Features** –
- **High-strength aluminum drum** with integrated clutch packs.
- **Sintered metal friction plates** for heavy-duty use (towing/performance).
3. **Common Failures** –
- **Seal leaks** (causing slippage or delayed shifts).
- **Drum cracking** (rare, but seen under extreme load).
- **Burnt clutches** (from overheating or fluid breakdown).
4. **Diagnosis** – Check for **DTCs (P0775/P0733)** and inspect fluid for debris.
**Critical Note:** Requires **Mercon SP/ULTRA** fluid – improper fluid accelerates wear.
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