GM Service Manual Online
For 1990-2009 cars only

Positive Crankcase Ventilation Hose/Pipe/Tube Replacement Air Cleaner Duct/Valve Cover

Removal Procedure


    Object Number: 1897752  Size: SH
  1. Remove the engine cover. Refer to Fuel Injector Sight Shield Replacement .
  2. Disconnect the positive crankcase ventilation (PVC) fresh air pipe (1) from the air cleaner duct.
  3. Disconnect the PVC air pipe from the valve cover.

Installation Procedure


    Object Number: 1897752  Size: SH
  1. Connect the PVC air pipe to the valve cover valve.
  2. Connect the PVC fresh air pipe (1) to the air cleaner duct.
  3. Install the engine cover. Refer to Fuel Injector Sight Shield Replacement .

Positive Crankcase Ventilation Hose/Pipe/Tube Replacement PCV Valve/Intake

Removal Procedure


    Object Number: 1897768  Size: SH
  1. Remove the engine cover. Refer to Fuel Injector Sight Shield Replacement .
  2. Disconnect the positive crankcase ventilation (PVC) fresh air pipe (1) from the upper intake manifold.
  3. Disconnect the PVC foul air pipe from the PVC valve.

Installation Procedure


    Object Number: 1897768  Size: SH
  1. Connect the PVC foul air pipe to the PVC valve.
  2. Connect the PVC fresh air pipe (1) to the upper intake manifold.
  3. Install the engine cover. Refer to Fuel Injector Sight Shield Replacement .