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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System & Fuel System - 6.6L (LLY) - Introduction (2 Of 2)) >> Repair Instructions >> Exhaust Gas Recirculation Valve Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of EGR cooler tube bracket bolt and nut
    GM1731887Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  1. If necessary, install the EGR bracket, the EGR bracket bolt, and nut.

    Tighten:  Tighten the EGR bracket bolt and nut to 25 N.m (18 lb ft).

    2. Fig 2: Identifying EGR Cooler Tube
    GM1731886Courtesy of GENERAL MOTORS CORP.
  2. Position the EGR valve to the EGR cooler tube, using a NEW EGR valve gasket.
  3. Install the 2 EGR valve to EGR cooler tube bolts.

    Tighten:  Tighten the EGR valve to EGR cooler tube bolts to 20 N.m (15 lb ft).

  4. Position the EGR valve and EGR cooler tube assembly in the vehicle.
    5. Fig 3: Identifying EGR nut
    GM1731884Courtesy of GENERAL MOTORS CORP.
  5. Install the EGR nut (1) and bolt (2).

    Tighten:  Tighten the EGR nut and bolt to 50 N.m (37 lb ft).

    6. Fig 4: Identifying EGR solenoid electrical connector
    GM1731880Courtesy of GENERAL MOTORS CORP.
  6. Connect the EGR solenoid electrical connector.
  7. Remove the crankcase ventilation hose/pipe. Refer to Crankcase Ventilation Hoses/Pipes Replacement (LLY, LBZ) or Crankcase Ventilation Hoses/Pipes Replacement (LMM) .
    8. Fig 5: Identifying EGR cooler tube bracket bolt
    GM1731879Courtesy of GENERAL MOTORS CORP.
  8. Install the EGR cooler tube bracket bolt.

    Tighten:  Tighten the EGR cooler tube bracket bolt to 25 N.m (18 lb ft).

    9. Fig 6: Identifying EGR heater inlet hose/pipe
    GM1731885Courtesy of GENERAL MOTORS CORP.
  9. Compress the clamp and connect the EGR heater inlet hose/pipe to the EGR cooler tube.
  10. Install the right exhaust pipe. Refer to Exhaust Pipe Replacement - Right Side (6.6L (LBZ/LLY)) or Exhaust Pipe Replacement - Right Side (6.6L (LMM)) .
  11. Install the EGR coolant hose. Refer to Exhaust Gas Recirculation Coolant Hoses/Pipes Replacement (LLY, LBZ) or Exhaust Gas Recirculation Coolant Hoses/Pipes Replacement (LMM) .
  12. Install the intake manifold tube. Refer to Intake Manifold Tube Replacement (LLY, LBZ) or Intake Manifold Tube Replacement (LMM) .
  13. Install the generator. Refer to Generator Replacement (6.6L) .
  14. Install the engine cover. Refer to Engine Cover Replacement .
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