CAUTION: After installation, do not loosen the synchronizer bolt and rotate the synchronizer assembly. The synchronizer assembly is not adjustable. Do not loosen the synchronizer bolt after the alignment tool has been removed in order to align the CMP electrical connector for any reason. If the electrical connector is not in the correct position, the synchronizer assembly must be removed, the alignment tool and the assembly reinstalled if the engine has not been rotated from Top Dead Center (TDC) of the compression stroke on the No. 1 cylinder.

Install Synchro Positioner (303-589). See Fig 1. Rotate synchronizer shaft until vane on shaft aligns with slot on synchro positioner. Rotate synchro positioner until engaged into notch in housing. Dip drive gear in engine oil.
As synchronizer is inserted into engine, synchronizer will rotate. Arrow on tool should be 38 degrees from engine centerline. See Fig 2. When seated, ensure CMP sensor connector is in same position.
Install hold-down clamp and tighten bolt to specification. See TORQUE SPECIFICATIONS . Remove synchro positioner. Install CMP sensor to synchronizer and tighten to specification. Ensure CMP sensor electrical connector is in original position. Reconnect wiring to CMP sensor. Connect negative battery cable.

Fig 1: Exploded View Of Camshaft Position Synchronizer Assembly (Typical)

Courtesy of FORD MOTOR CO.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Camshaft Position Synchronizer: Installation

Use the Manual With the Right Hardware

When to See a Mechanic

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