13517588879

1. [
2. {
3. "step": 1,
4. "title": "Low-Pressure Supply Disconnection & Residual Depressurization",
5. "instruction": "Depressurize fuel system using ISTA diagnostic software or by pulling the EKP fuel pump control module fuse. Disconnect negative battery terminal in trunk."
6. },
7. {
8. "step": 2,
9. "title": "Engine Acoustic Cover & Vacuum Lines Removal",
10. "instruction": "Remove acoustic beauty cover, intake charge pipe brackets, and vacuum reservoir hoses to access the high-pressure pump mounted on the intake side of the cylinder head."
11. },
12. {
13. "step": 3,
14. "title": "High-Pressure Steel Rail Line Removal",
15. "instruction": "Use a 17mm flare nut wrench with counter-hold on pump hex fitting to loosen high-pressure steel delivery line. Disconnect low-pressure supply line."
16. },
17. {
18. "step": 4,
19. "title": "Pump Removal & Roller Tappet Inspection",
20. "instruction": "Evenly loosen the two M6 mounting bolts. Extract the pump and inspect the internal roller tappet bucket for surface galling or wear on the camshaft drive lobe."
21. },
22. {
23. "step": 5,
24. "title": "New Pump Installation & Torque Sequence",
25. "instruction": "Lubricate new Viton O-ring and roller tappet with engine oil. Rotate engine until cam lobe is at lowest point. Torque mounting bolts to 13 N·m (115 in-lb) and high-pressure line nut to 30 N·m (22 lb-ft)."
26. }
27. ]

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