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Ford Focus Service Manual: Timing Drive Components

Ford Focus Service Manual / Powertrain / Engine / Valvetrain / Timing Drive Components


NOTICE: Do not loosen or remove the crankshaft pulley bolt without first installing the special tools as instructed in this procedure. The crankshaft pulley and the crankshaft timing sprocket are not keyed to the crankshaft. The crankshaft, the crankshaft sprocket and the pulley are fitted together by friction, using diamond washers between the flange faces on each part. For that reason, the crankshaft sprocket is also unfastened if the pulley bolt is loosened. Before any repair requiring loosening or removal of the crankshaft pulley bolt, the crankshaft and camshafts must be locked in place by the special service tools, otherwise severe engine damage can occur.

NOTICE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan can cause engine failure.

  1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Section  100-02.
  1. Remove the engine front cover. For additional information, refer to Engine Front Cover in this section.
  1. Compress the timing chain tensioner in the following sequence.
    1. Using a small pick, release and hold the ratchet mechanism.
    1. While holding the ratchet mechanism in the released position, compress the tensioner by pushing the timing chain arm toward the tensioner.
    1. Insert a paper clip into the hole to retain the tensioner.

  1. Remove the 2 bolts and the timing chain tensioner.

  1. Remove the RH timing chain guide.

  1. Remove the timing chain.

  1. Remove the bolts and the LH timing chain guide.

  1. NOTICE: Do not rely on the Camshaft Alignment Plate to prevent camshaft rotation. Damage to the tool or the camshaft can occur.


    Intake camshaft drive gear shown, exhaust camshaft drive gear similar.

    Remove the bolts and the camshaft drive gears.
    • Use the flats on the camshaft to prevent camshaft rotation.


  1. Install the camshaft drive gears and the bolts. Do not tighten the bolts at this time.

  1. Install the LH timing chain guide and bolts.
    • Tighten to 10 Nm (89 lb-in).

  1. Install the timing chain.

  1. Install the RH timing chain guide.


If the timing chain tensioner plunger and ratchet assembly are not pinned in the compressed position, follow the next 4 steps.

  1. NOTICE: Do not compress the ratchet assembly. This will damage the ratchet assembly.

    Using the edge of a vise, compress the timing chain tensioner plunger.

  1. Using a small pick, push back and hold the ratchet mechanism.

  1. While holding the ratchet mechanism, push the ratchet arm back into the tensioner housing.

  1. Install a paper clip into the hole in the tensioner housing to hold the ratchet assembly and the plunger in during installation.

  1. Install the timing chain tensioner and the 2 bolts.
    • Tighten to 10 Nm (89 lb-in).
    • Remove the paper clip to release the piston.

  1. NOTICE: The Camshaft Alignment Plate is for camshaft alignment only. Using this tool to prevent engine rotation can result in engine damage.

    Using the flats on the camshafts to prevent camshaft rotation, tighten the camshaft drive gear bolts.

    • Tighten to 72 Nm (53 lb-ft).

  1. Install the front cover. For additional information, refer to Engine Front Cover in this section.
Camshaft Bearing Journal Diameter
NOTE: Refer to the appropriate Section 303-01 for the specification. Measure each camshaft journal diameter in 2 directions. ...

Valve Actuating Assembly

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