13518604231

1. [
2. {
3. "step": 1,
4. "title": "Depressurize Fuel Rail & Disconnect Battery",
5. "instruction": "Disconnect low pressure in-tank fuel pump fuse. Crank engine for 5 seconds until stall. Disconnect 12V battery negative terminal."
6. },
7. {
8. "step": 2,
9. "title": "Remove Sound Insulation & Inspect Cam Roller Tappet",
10. "instruction": "Remove acoustic foam cover over cylinder head. Unbolt old pump and extract roller tappet. Inspect roller face for surface pitting or flat spots; replace if grooved."
11. },
12. {
13. "step": 3,
14. "title": "Position Camshaft at Low Base Circle",
15. "instruction": "Rotate crankshaft until camshaft pump drive lobe is at base circle (lowest lift point) to avoid spring preload resistance during mounting."
16. },
17. {
18. "step": 4,
19. "title": "Install Pump with New O-Ring & Torque Flange Bolts",
20. "instruction": "Lubricate new Viton O-ring with clean engine oil. Insert pump body squarely into bore. Tighten two M6 mounting bolts alternately and evenly to 13 N\u00b7m."
21. },
22. {
23. "step": 5,
24. "title": "Connect High-Pressure Hard Line & Torque Flare Fitting",
25. "instruction": "Thread high-pressure steel delivery pipe into pump outlet port hand-tight. Torque flare nut to 30 N\u00b7m using a calibrated open-ended torque crowfoot wrench."
26. }
27. ]

Common diagnostic trouble codes (DTCs) triggered when this common rail injector experiences wear, circuit faults, or calibration drift: