Section 03-08: Engine Emission Control
1994 Mustang Workshop Manual
IN-VEHICLE SERVICE

PCV Hoses

 

Crankcase Ventilation Tube

3.8L SFI Engine

Removal and Installation

  1. Disconnect emission vacuum control hose from center of crankcase ventilation tube (6758) .
  1. Disconnect crankcase ventilation tube from positive crankcase ventilation valve (PCV valve) (6A666) and upper intake manifold (9424) and remove crankcase ventilation tube.
  1. To install, reverse Removal procedure.




    Item Part Number Description
    1 9D475 EGR Valve
    2 9E926 Throttle Body
    3 6A666 Positive Crankcase Ventilation Valve
    4 6758 Crankcase Ventilation Tube
    5 6853 Crankcase Ventilation Hose
 

5.0L SFI Engine

Removal and Installation

  1. Disconnect crankcase ventilation tube from oil filler tube connector on RH valve cover (6582) .
  1. Disconnect crankcase ventilation tube from connector on air cleaner outlet tube (9B659) and remove crankcase ventilation tube from vehicle.
  1. To install, reverse Removal procedure.
 

Crankcase Ventilation Hose

3.8L SFI Engine

Removal and Installation

  1. Disconnect crankcase ventilation hose (6853) from valve cover and air cleaner outlet tube .
  1. Remove crankcase ventilation hose.
  1. To install, reverse Removal procedure.
 

5.0L SFI Engine

Removal and Installation

  1. Disconnect crankcase ventilation hose from positive crankcase ventilation valve at rear of lower intake manifold.
  1. Disconnect crankcase ventilation hose from fittings on upper intake manifold and remove crankcase ventilation hose from vehicle.
  1. To install, reverse Removal procedure.




    Item Part Number Description
    1 9424 Upper Intake Manifold
    2 6853 Crankcase Ventilation Hose
    3 — To PCV Valve (6A666)
    4 9C987 Fuel Vapor Hose
    5 — To Fuel Vapor Canister (9D653)