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Valve Seals > < In-vehicle Repair|Valves

Focus RS 2003 (09.2002-)

Engine - 2.0L Duratec-RS (Zetec) - Valve Springs Focus RS 2003 (09/2002-)
In-vehicle Repair

Special Tool(s)

Compressor, Valve Spring

303-361 (21155)

Adapter for 21-155

303-361-02 (2115502)

Adapter, Air Supply (Cylinder Head)

303-363 (21157)

Remover, Valve Stem Oil Seal

303-374 (21160)
Materials
Name
Specification
Engine oil
WSS-M2C912-A1 

Removal

  1. Remove the camshafts.
    For additional information, refer to Camshafts - in this section.
    • Remove the valve tappets and lay them in order, to one side.

  1. WARNING:
    WARNING:Always wear protective goggles when working with compressed air. Failure to do so can result in injury.
    Remove the spark plug from cylinder no. 1 and attach the special tool.

  1. CAUTION:
    CAUTION:Use compressed air at 7 to 10 bar.
    Attach the special tools and apply compressed air to the cylinder.
    1. Compress the valve spring.
    1. Remove the valve collets.
    • Take out the valve spring retainer and the valve spring.

Installation
  1. NOTE:
    NOTE:Check that the valve collets are correctly seated.
    Install the valves springs.
    • Insert the valve springs and the valve spring retainers.
    1. Compress the valve springs.
    1. Install the valve collets.
  1. NOTE:
    NOTE:Do not yet tighten.
    Detach Special Tool 303-363 and screw in the spark plug.
  1. Repeat the operations for all the other cylinders.
  1. Coat the valve tappets with engine oil and insert.
  1. Install the camshafts.
    For additional information, refer to Camshafts - in this section.

Valve Seals > < In-vehicle Repair|Valves