GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Express - AWD 🢒 Engine 🢒 Engine Mechanical - 6.6L 🢒 Positive Crankcase Ventilation Hose/Pipe/Tube Replacement

Removal Procedure
  1. Remove the engine cover. Refer to Engine Cover Replacement.
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  3. Remove the charged air cooler inlet pipe from the turbocharger. Refer to Charged Air Cooler Hoses/Pipes Replacement.
  4. Disconnect the wiring harness connector from the glow plug module.

    5. Object Number: 1999305 Size: SH
  5. Remove the glow plug wiring harness bracket bolts (1) and position the wiring harness and bracket aside.

    6. Object Number: 1726815 Size: SH
  6. Remove the positive crankcase ventilation (PCV) pipe bolt from the left valve cover and disconnect the PCV pipe.

    7. Object Number: 1726820 Size: SH
  7. Remove the PCV pipe bolt from the right valve cover and disconnect the PCV pipe.

    8. Object Number: 1867885 Size: SH
  8. Compress the clamp (1) and disconnect the PCV pipe (2) from the air intake pipe (3).
  9. Remove the PCV hose/pipe.

Installation Procedure

    Object Number: 1867885 Size: SH
  1. Position the PCV hose/pipe.
  2. Compress the clamp (1) and connect the PCV pipe (2) to the air intake pipe (3).

    3. Object Number: 1726820 Size: SH
  3. Position the PCV pipe to the right valve cover and loosely install the PCV pipe bolt.

    4. Object Number: 1726815 Size: SH
  4. Position the PCV pipe to the left valve cover and loosely install the PCV pipe bolt.

    5. Caution: Refer to Fastener Caution in the Preface section.

  5. Tighten the right and left PCV pipe bolts to 18 N·m (13 lb ft).

    6. Object Number: 1999305 Size: SH
  6. Position the glow plug wiring harness to the original position and install the wiring harness bracket bolts (1).
  7. Connect the wiring harness connector to the glow plug module.
  8. Install the charged air cooler inlet pipe to the turbocharger. Refer to Charged Air Cooler Hoses/Pipes Replacement.
  9. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  10. Install the engine cover. Refer to Engine Cover Replacement.