ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

In-vehicle Repair|Valves > < Crankshaft Front Seal
Engine - 1.6L Duratec-16V (Sigma) - Valve Seals C-MAX 2003.75 (06/2003-)
In-vehicle Repair

Special Tool(s)

Compressor, Valve Spring

303-361A

Adapter for 303-361A

303-361-04

Adapter for 303-361A

303-361-05

Installer, Valve Stem Collets

303-362

Pliers, Valve Stem Oil Seal

303-508

Connector, Air Supply (Cylinder Head)

303-363

Materials
Name
Specification
Engine oil - 5W30
WSS-M2C913-B
WARNING:
WARNING:Do not smoke or use any kind of naked flame when working on or near any fuel-related components. Highly flammable vapors are always present and may ignite. Failure to observe this instruction can lead to injury.
  1. Remove the camshafts.
    For additional information, refer to Camshafts - in this section.
  1. Set the relevant piston to TDC.

3. Remove the components in the order indicated in the following illustration(s) and table(s).

 
Item
Part Number
Description
2
-
Valve collets
See Removal Detail
3
-
Valve spring retainers
See Removal Detail
4
-
Valve springs
See Removal Detail

4. To install, reverse the removal procedure.

Removal Details

Item 1 : Valve tappets

CAUTION:
CAUTION:Set the valve tappets aside in the appropriate sequence for reinstallation.

Item 2 : Valve collets

  1. Install the special tools.
  1. Apply compressed air to the cylinder (7-10 bar) using the special tool.
  1. Compress the valve spring using the special tool.

  1. Using the special tools, remove the valve collets.

Item 3 : Valve spring retainers

CAUTION:
CAUTION:Set the valve spring retainers aside in the appropriate sequence for reinstallation.

Item 4 : Valve springs

CAUTION:
CAUTION:Set the valve springs aside in the appropriate sequence for reinstallation.

Item 5 : Valve seals

  1. Using the special tool, remove the valve seals.

Installation Details

Item 5 : Valve seals

  1. Install the protective sleeve over the valve collet groove (valve shown removed for clarity).

  1. CAUTION:
    CAUTION:The valve seals for the inlet valves are green, and those for the exhaust valves are brown.
    NOTE:
    NOTE:Install new valve seals.
    NOTE:
    NOTE:Coat the valve seals with clean engine oil.
    Using the special tool, install the valve seals.
  1. Remove the valve stem protective sleeve.

In-vehicle Repair|Valves > < Crankshaft Front Seal