Top Of Engine Components (L83/L86/L8B)

2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, GasSECTION Top Of Engine Components (L83/L86/L8B)
Top Of Engine Components (L83/L86/L8B)

Items
1. Q17B Fuel Injector 2 Q17B Fuel Injector 2 (LV3/L8B/L83/L86)
2. T8B Ignition Coil 2 (except L5P) T8B Ignition Coil 2 (LV3/L83/L86/L8B)
3. Q17D Fuel Injector 4 Q17D Fuel Injector 4 (LV3/L8B/L83/L86)
4. T8D Ignition Coil 4 (except L5P) T8D Ignition Coil 4 (LV3/L83/L86/L8B)
5. T8F Ignition Coil 6 (except L5P) T8F Ignition Coil 6 (LV3/L83/L86/L8B)
6. Q17F Fuel Injector 6 Q17F Fuel Injector 6 (LV3/L8B/L83/L86)
7. T8H Ignition Coil 8 (L83, L86, L96 or LC8) T8H Ignition Coil 8 (LV3/L83/L86/L8B)
8. Q17H Fuel Injector 8 Q17H Fuel Injector 8 (L8B/L83/L86)
9. G18 High Pressure Fuel Pump (1500) Q18B Fuel Pressure Regulator 2 (L5P)
10. B310 Fuel Pressure/Temperature Sensor B310 Fuel Pressure/Temperature Sensor
11. Q17G Fuel Injector 7 Q17G Fuel Injector 7 (L8B/L83/L86)
12. T8G Ignition Coil 7 (L83, L86, L96 or LC8) T8G Ignition Coil 7 (LV3/L83/L86/L8B)
13. Q17E Fuel Injector 5 Q17E Fuel Injector 5 (LV3/L8B/L83/L86)
14. T8E Ignition Coil 5 (except L5P) T8E Ignition Coil 5 (LV3/L83/L86/L8B)
15. T8C Ignition Coil 3 (except L5P) T8C Ignition Coil 3 (LV3/L83/L86/L8B)
16. Q17C Fuel Injector 3 Q17C Fuel Injector 3 (LV3/L8B/L83/L86)
17. T8A Ignition Coil 1 (except L5P) T8A Ignition Coil 1 (LV3/L83/L86/L8B)
18. Q17A Fuel Injector 1 Q17A Fuel Injector 1 (LV3/L8B/L83/L86)
Fig 1: Top Of Engine Components Location (L83/L86/L8B)
GM4574146Courtesy of GENERAL MOTORS COMPANY
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.