What torque is specified for the distributor stator assembly attaching screw?

Tighten the screw to 1.7-4.0 N·m (15-35 lb-in); the same spec applies to the octane rod screw.

Can the distributor drive gear be replaced separately?

No. The CAUTION states the distributor drive gear is not released for service — it is matched to the distributor at assembly, and if any nicks or cracks occur during disassembly or reassembly, a new distributor must be installed.

What lubricant is specified for the distributor shaft assembly?

A light coating of Engine Assembly Lubricant D9AZ-19579-D or equivalent fresh motor oil meeting Ford specification ESR-M99C80-A.

Which engines use the thrust washer in this distributor?

The thrust washer is installed on the 4.9L engine only.

What socket sizes are used when pressing the distributor together?

A 1/2-inch deep well socket is placed over the end of the shaft assembly, and a 5/8-inch deep well socket is centered around the gear hole to press the distributor gear onto the shaft.

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1996 Ford Bronco/F-150 Distributor Exploded Parts Diagram & Installation 03-07A-6

Ford TFI closed-bowl distributor exploded parts diagram with Hall-effect stator, removal and installation

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Ford service manual exploded view of a closed-bowl (TFI) distributor listing armature, Hall-effect stator, octane rod and base assembly (most part of 12127), with install torque 1.7-4.0 N.m (15-35 lb-in).

AI caption August 2019 · Photo 401 of 413

This is page 03-07A-6 from the 1996 Ford F-150, F-250, F-350, Bronco, and F-Super Duty Powertrain/Drivetrain service manual (dated July 1995), covering the ignition distributor section. It shows an exploded-view diagram of the Closed Bowl Distributor (figure B6130-A) with a numbered legend of 12 components, including screws (388483-S2 and N801293-S36), the armature (rotary vane), shaft assembly, stator (Hall effect vane switch assembly), octane rod, base assembly, O-ring, thrust washer (4.9L), roll pin, gear, and collar — most listed as part of assembly 12127. The right column provides a 15-step Installation procedure, covering seating the camshaft position sensor, positioning the wiring grommet and stator wires, tightening the stator and octane rod screws to 1.7-4.0 N·m (15-35 lb-in), lubricating the shaft with Engine Assembly Lubricant D9AZ-19579-D (Ford spec ESR-M99C80-A), pressing the shaft with an arbor press using 1/2-inch and 5/8-inch deep well sockets, installing the thrust washer (4.9L only), and installing the collar, drive gear, and roll pin. A CAUTION states the distributor drive gear is not serviced separately and a new distributor must be installed if it is nicked or cracked, since the gear is matched to the distributor at assembly.

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Frequently asked questions

What torque is specified for the distributor stator assembly attaching screw?: Tighten the screw to 1.7-4.0 N·m (15-35 lb-in); the same spec applies to the octane rod screw.
Can the distributor drive gear be replaced separately?: No. The CAUTION states the distributor drive gear is not released for service — it is matched to the distributor at assembly, and if any nicks or cracks occur during disassembly or reassembly, a new distributor must be installed.
What lubricant is specified for the distributor shaft assembly?: A light coating of Engine Assembly Lubricant D9AZ-19579-D or equivalent fresh motor oil meeting Ford specification ESR-M99C80-A.
Which engines use the thrust washer in this distributor?: The thrust washer is installed on the 4.9L engine only.
What socket sizes are used when pressing the distributor together?: A 1/2-inch deep well socket is placed over the end of the shaft assembly, and a 5/8-inch deep well socket is centered around the gear hole to press the distributor gear onto the shaft.