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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 2.0L (LUZ) Diesel) >> Repair Instructions - On Vehicle >> Positive Crankcase Ventilation Oil Separator Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Assemble the positive crankcase ventilation unit as shown above, using the J-35566  pliers
    Fig 1: Crankcase Ventilation Heater And Crankcase Ventilation Tube
    GM3547182Courtesy of GENERAL MOTORS COMPANY
    • Positive crankcase ventilation heater (1)
    • Positive crankcase ventilation tube (2)
    • Positive crankcase ventilation oil separator (3)
    • Seal rings (4, 5)
    • Hose clamps (arrows)
  2. Install the positive crankcase ventilation oil separator from top direction and fix it by loosely installing the upper oil separator bolt.
  3. Raise the vehicle.
  4. Install NEW seal rings (4, 5).
    Fig 2: Positive Crankcase Ventilation Oil Separator Bolt
    GM3547175Courtesy of GENERAL MOTORS COMPANY
  5. Install the PCV oil separator (2) to the engine.
    CAUTION: Refer to Fastener Caution .
    NOTE: Ensure that the positive crankcase ventilation oil separator is in correct position inside of the oil pan.
    NOTE: Current laws require these fastener only to be replaced with new tamper resistant fasteners identified specifically for this component. Refer to the Electronic Parts Catalog.
  6. Install 2 NEW positive crankcase ventilation oil separator bolts (3) and tighten to 9 N.m (80 lb in), using the EN-50956  bit.
  7. Install the wiring harness retainer to the positive crankcase ventilation oil separator.
  8. Install the starter. Refer to Starter Replacement (2.0L Diesel LUZ) .
  9. Lower the vehicle.
  10. Tighten the positive crankcase ventilation oil separator bolt (1) to 9 N.m (80 lb in).
  11. Reposition the positive crankcase ventilation tube (2) to the engine and install the 2 bolts (1).
    Fig 3: Positive Crankcase Ventilation Tube Bolts
    GM3547178Courtesy of GENERAL MOTORS COMPANY
  12. Tighten the 2 positive crankcase ventilation tube bolts to 9 N.m (80 lb in).
  13. Clip in the wiring harness to the tube.
  14. Install the positive crankcase ventilation heater (3) to the air cleaner outlet rear duct.
    Fig 4: Positive Crankcase Ventilation Heater Wiring Harness Plug
    GM3547177Courtesy of GENERAL MOTORS COMPANY
  15. Connect the positive crankcase ventilation heater wiring harness plug (1).
  16. Clip in the wiring harness retainer (2).
  17. Ensure that the positive crankcase ventilation heater gap (1) aligns to the air cleaner outlet rear duct lug (2).
    Fig 5: Positive Crankcase Ventilation Heater Gap
    GM2658426Courtesy of GENERAL MOTORS COMPANY
  18. Install the engine sight shield. Refer to Engine Sight Shield Replacement .
  19. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
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