Ford Taurus Service Manual: Engine Emission Control

Ford Taurus Service Manual / Powertrain / Engine / Engine Emission Control

SPECIFICATIONS

Material

Ford Taurus. Engine

Torque Specifications

Ford Taurus. Engine

DESCRIPTION AND OPERATION

Engine Emission Control

Component Locations

2.0L GTDI

Ford Taurus. Engine

Ford Taurus. Engine

3.5L Ti-VCT and 3.7L Ti-VCT

Ford Taurus. Engine

Ford Taurus. Engine

3.5L GTDI

Ford Taurus. Engine

Ford Taurus. Engine

System Operation

Refer to the PC/ED manual section 1 Description and Operation.

Component Description

Refer to the PC/ED manual section 1 Description and Operation.

DIAGNOSIS AND TESTING

Engine Emission Control

For PCM DTCs, refer to Section 303-14 DTC Chart: PCM. For driveability symptoms without DTCs, refer to the PC/ED manual, section 3 Symptom Charts.

REMOVAL AND INSTALLATION

Crankcase Vent Oil Separator - 2.0L GTDI

Removal and Installation

NOTE: Removal steps in this procedure may contain installation details.

  1. Remove the intake manifold. For additional information, refer to Section 303-01C.
  1. NOTE: Clean and inspect the gasket mating surfaces.
    • Tighten to 10 Nm (89 lb-in).

    Ford Taurus. Engine

  1. Inspect and replace the crankcase vent oil separator gasket as necessary. Visual check.

    Ford Taurus. Engine

  1. To install, reverse the removal procedure.

Crankcase Vent Oil Separator - 3.5L GTDI

Ford Taurus. Engine

Ford Taurus. Engine

Removal and Installation

  1. Release the wire harness pin-type retainer from the crankcase vent oil separator.
  1. Disconnect the crankcase ventilation tube-to-PCV valve quick connect coupling. For additional information, refer to Section 310-00.
  1. Remove the 3 crankcase vent oil separator bolts.
    • To install, tighten to 8 Nm (71 lb-in).
  1. Remove the crankcase vent oil separator from the RH valve cover.
  1. To install, reverse the removal procedure.

Positive Crankcase Ventilation (PCV) Valve - 3.5L Ti-VCT

Material

Ford Taurus. Engine

Removal and Installation

NOTE: Removal steps in this procedure may contain installation details.

    Ford Taurus. Engine

  1. NOTICE: A new PCV valve must be installed if removed from the valve cover. Damage will occur to the locking mechanism on the PCV valve.

    Minor component movement CCW. Discard the specified component. Follow local disposal regulations.

    Ford Taurus. Engine

  1. To install, reverse the removal procedure. Apply the specified lubricant to the specified component.

    Ford Taurus. Engine

Positive Crankcase Ventilation (PCV) Valve - 3.5L GTDI

Material

Ford Taurus. Engine

Ford Taurus. Engine

Ford Taurus. Engine

Removal and Installation

  1. Disconnect the crankcase ventilation tube-to-PCV valve quick connect coupling. For additional information, refer to Section 310-00.
  1. NOTICE: A new PCV valve must be installed if removed from the valve cover. Damage will occur to the locking mechanism on the PCV valve.

    NOTE: To install, apply clean engine oil to the O-ring seal.

    Rotate the PCV valve counterclockwise and remove from the crankcase vent oil separator.
    • Discard the PCV valve.
  1. To install, reverse the removal procedure.
    • Install a new PCV valve.

Positive Crankcase Ventilation (PCV) Valve - 3.7L Ti-VCT

Material

Ford Taurus. Engine

Removal and Installation

NOTE: Removal steps in this procedure may contain installation details.

    Ford Taurus. Engine

  1. NOTICE: A new PCV valve must be installed if removed from the valve cover. Damage will occur to the locking mechanism on the PCV valve.

    Minor component movement CCW. Discard the specified component. Follow local disposal regulations.

    Ford Taurus. Engine

  1. To install, reverse the removal procedure. Apply the specified lubricant to the specified component.

    Ford Taurus. Engine

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    Diagnosis and Testing
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