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Home >> Chevrolet >> 2022 >> Express 2500 Base, Van Cargo Extended, 2.8L Eng VIN 1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.8L (LWN) Diesel - Repair Instructions >> Repair Instructions >> Fuel Injection Pump Replacement >> Installation Procedure

Installation Procedure

  1. GM4213887Courtesy of GENERAL MOTORS COMPANY

    Fuel Pump (2) - Install

  2. CAUTION:

    Refer to Fastener Caution .

  3. Fuel Pump Nut (1) - Install and tighten 25 N.m (18 lb ft)
  4. Diesel Fuel Separator Hose @ Fuel Injection Pump - Connect Diesel Fuel Separator Replacement 
  5. Fuel Injection Fuel Feed Pipe @ Fuel Injection Pump - Connect Fuel Injection Fuel Feed Pipe Replacement (Fuel Injector to Fuel Rail) , or Fuel Injection Fuel Feed Pipe Replacement (Fuel Pump to Fuel Rail) 
  6. GM5890262Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (1) - Engage

  7. Electrical Connector (2) - Connect
  8. Fuel Pump Fuel Feed Hose @ Fuel Injection Pump - Connect - Fuel Pump Fuel Feed Hose Replacement 
  9. Engine Oil Cooler Pipe - Install - Engine Oil Cooler Pipe Replacement (LWN)
  10. Engine Mount - Install - Engine Mount Replacement - Left Side
  11. Air Conditioning Compressor Bracket - Install - Air Conditioning Compressor Bracket Replacement (LWN)
  12. Fuel Injection Pump Drive Pulley - Install - Fuel Injection Pump Drive Pulley Replacement 
  13. Replace the fuel filter. Fuel Filter Replacement 
  14. Prime the fuel system. Fuel System Priming 
  15. WARNING:

    High Pressure Lines deliver diesel fuel under extreme pressure from the injection pump to the fuel injectors. This may be as high as 1600 Bar (23, 200 psi). Use extreme caution when inspecting for high pressure leaks. Fuel under this amount of pressure can penetrate skin causing personal injury, or death. Wear safety goggles and adequate clothing when servicing this fuel system.

  16. With the engine running, check the fuel system for leaks.