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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine Mechanical - 4.6L - 1 Of 4) >> On-Vehicle Repair Instructions (1 Of 2) >> Positive Crankcase Ventilation Hose/Pipe/Tube Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying PCV Fresh Air Tube
    GM1661022Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  2. If servicing the positive ventilation crankcase (PCV) fresh air tube, perform the following steps, disconnect the PCV fresh air tube quick connect fitting at the left camshaft cover. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Disconnect the PCV fresh air tube quick connect fitting at the air cleaner outlet duct. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Remove the PCV fresh air tube from under the brake booster vacuum hose and evaporative emission (EVAP) purge solenoid.
    5. Fig 2: View Of Power Steering Pump
    GM1661040Courtesy of GENERAL MOTORS CORP.
  5. If servicing the PCV foul air tube, perform the following steps, remove the drive belt. Refer to Drive Belt Replacement .
  6. Remove the power steering pump bolt.
  7. With the power steering hoses attached, Carefully position the power steering pump aside.
    8. Fig 3: Identifying PCV Foul Air Tube Quick Connect Fitting
    GM1661024Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the PCV foul air tube quick connect fitting at the right camshaft cover. Refer to Plastic Collar Quick Connect Fitting Service .
  9. Disconnect the PCV foul air tube quick connect fitting at the intake manifold fitting. Refer to Plastic Collar Quick Connect Fitting Service .
  10. Remove the PCV foul air tube from the retaining features on the intake manifold.
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