MAN D2676 LOH — Repair Manual
Repair Procedures & Torque Specs
Step-by-step repair procedures sourced from the official MAN D2676 LOH Engine Repair Manual Supplement. Covers valve clearance, EVB adjustment, common rail components, EDC17 control unit, and AGR leak testing.
VALVE CLEARANCE ADJUSTMENT
Inlet: 0.50 mm | Exhaust: 0.80 mm | Lock nut: 45 Nm | Engine < 50°C
EVB EXHAUST VALVE BRAKE ADJUSTMENT
EVB clearance: 0.60 mm | Counter-holder lock nut: M14×1-8.8 = 45 Nm
RAIL PRESSURE SENSOR REPLACEMENT
Thread: M18×1.5 | Torque: 70 ± 5 Nm | Sealant: Bosch Fett FT1V27
PRESSURE LIMITING VALVE REPLACEMENT
Thread: M20×1.5 | Torque: 100 ± 10 Nm | Sealant: Bosch Fett FT1V27
EDC17 CONTROL UNIT REMOVAL / INSTALLATION
4 connectors | 8 mounting bolts M6×30-10.9 | Two-stage torque: 1.5 → 10 Nm
AGR MODULE LEAK TEST
Test pressure: 3 bar | Hold time: 30 min | Max drop: 0.1 bar | Both sides
TORQUE SUMMARY
| FASTENER | THREAD | TORQUE | NOTES |
|---|---|---|---|
| Rail Pressure Sensor | M18×1.5 | 70 ± 5 Nm | Apply Bosch Fett FT1V27 |
| Pressure Limiting Valve | M20×1.5 | 100 ± 10 Nm | Apply Bosch Fett FT1V27 |
| EDC Mounting — Pass 1 | M6×30-10.9 | 1.5 ± 0.5 Nm | Finger-tight first |
| EDC Mounting — Pass 2 | M6×30-10.9 | 10 ± 2 Nm | Final torque, star pattern |
| Cable Harness Bracket | M6×16-10.9 | 15 Nm | Single pass |
| Valve Lock Nut (Inlet/Exhaust) | M10×1-8.8 | 45 Nm | Hold adjusting screw |
| EVB Counter-Holder Lock Nut | M14×1-8.8 | 45 Nm | Hold counter-holder |
Engine Overview
Specifications, systems, architecture
Filling Quantities & A/C
Oil, gearbox, steering, axle, A/C data