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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls And Fuel - 3.5L - Repair Instructions) >> Repair Instructions >> Evaporative Emission Canister Replacement (NU6) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
CAUTION:
  • Do not attempt to straighten kinked nylon pipes. Replace any kinked nylon pipes in order to prevent damage to the vehicle.
  • Do not attempt to repair sections of nylon pipes. Replace damaged nylon pipes.
  • Replace the vapor pipes with original equipment or parts that meet GM specifications.
  • Replace the vapor hoses with original equipment or parts meeting GM specifications. Use only reinforced fuel-resistant hose identified with the word Fluoroelastomer or GM 6163M on the hose.
    Fig 1: View Of EVAP Canister & Pressure Sensor
    GM1906558Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the fuel pressure seal with a very small amount of clean engine oil.
  2. Install the fuel pressure sensor (2) to the EVAP canister (1).
    3. Fig 2: View Of EVAP Canister
    GM1906557Courtesy of GENERAL MOTORS CORP.
  3. Install the EVAP canister (1).
  4. Squeeze the small retainer in front of the canister (2) in order to engage the canister.
    5. Fig 3: View Of EVAP Canister Hose
    GM1906556Courtesy of GENERAL MOTORS CORP.
  5. Install the EVAP canister hose (2).
  6. Position the EVAP canister hose clamp (1).
    7. Fig 4: View Of Fuel Tank Wiring Harness & Electrical Connectors
    GM1906519Courtesy of GENERAL MOTORS CORP.
  7. Connect the fuel tank wiring harness (1) electrical connectors to the fuel tank module and the fuel pressure sensor.
    8. Fig 5: View Of Fuel Feed Line & EVAP Line
    GM1906518Courtesy of GENERAL MOTORS CORP.
  8. Install and connect the fuel feed line (2) to the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
  9. Engage the fuel feed line to the retaining feature (3) built into the fuel tank.
  10. Install and connect the EVAP line (1) quick connect fittings to the fuel tank module and the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
  11. Install the fuel tank. Refer to Fuel Tank Replacement (NC7)  or Fuel Tank Replacement (NU6) .
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