LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Repair Instructions (2 Of 2)) >> Repair Instructions >> Reductant Fluid Injector Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. GM5618831Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    A NEW emission reduction fluid injector will have a new gasket as part of assembly (POA).

    Exhaust System Front Gasket (3) - Install NEW

  2. NOTE:

    Prior to install the injector, make sure the parts are perfectly clean. If required, clean out with distilled water in order to dissolve any residual crystal.

  3. Reductant Fluid Injector (2) - Install
  4. Emission Reduction Fluid Injector Clamp (1) - Install NEW - Fastener Specifications
  5. GM5618830Courtesy of GENERAL MOTORS COMPANY

    Charge Air Cooler Coolant Hose (6) - Install

  6. Charge Air Cooler Coolant Hose Connector Clamp (5) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  7. Fuel Cooler Coolant Cooler Inlet Hose (4) - Install
  8. Charge Air Cooler Coolant Hose Connector Clamp (3) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  9. Retainer (2) - Install [2x]
  10. Electrical Connector (1) - Connect
  11. GM5618827Courtesy of GENERAL MOTORS COMPANY

    Emission Reduction Fluid Exhaust Front Pipe Injector Supply Pipe (1) - Connect - Plastic Collar Quick Connect Fitting Service

  12. GM5618826Courtesy of GENERAL MOTORS COMPANY

    Emission Reduction Fluid Exhaust Front Pipe Injector Supply Pipe Insulator (1) - Install

  13. Fill the charge air cooling system. Charge Air Cooling System Draining and Filling (GE 47716 LM2) , or Charge Air Cooling System Draining and Filling (Static LM2) , or Charge Air Cooling System Draining and Filling (GE 47716 LM2 with RC1) , or Charge Air Cooling System Draining and Filling (Static LM2 with RC1)
  14. NOTE:

    The full system air leak test procedure from charge air cooler diagnosis allows the emission reduction fluid injector connection to be pressurized for leak inspection.

  15. Check for leaks and ensure the emission reduction fluid injector joint is properly sealed. Charge Air Cooler Diagnosis
  16. Perform the NOx catalyst reductant loading reset. Nitrogen Oxides Catalytic Converter Reductant Loading Reset