Ford 9 Inch Rear Axle Exploded Parts Diagram - Differential & Pinion Assembly
Exploded parts illustration of a rear axle showing housing, axle shafts, seals, bearings, differential gears and pinion components.
This document is an exploded parts diagram of a Ford 9-inch rear axle assembly, credited "Copyright FoMoCo" (Ford Motor Company). It shows the complete rear axle broken down into its major components across three groupings. The top section shows the axle housing with the axle shaft assembly: axle retainer plate, retainer plate gasket, axle bearing, axle seal, and the housing vent. The middle section covers the differential carrier internals: the ring gear and differential case, side gear washers, right and left side gears, long pinion shaft, pinion (spider) gears with their washers, carrier bearings, and the third-member (drop-out) housing. The bottom section details the drive pinion assembly: pinion shims, pinion retainer O-ring, pilot bearing, pinion gear, inner and outer pinion bearings, pinion retainer, oil slinger, seal, and companion flange. The diagram identifies each part by name with leader lines but includes no part numbers, torque specifications, or year/model applicability text. It is useful for identifying component names, their relative positions, and the assembly order when rebuilding or servicing a Ford 9-inch rear differential, such as on the uploader's 1978 Ford Bronco.
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Frequently asked questions
- What parts make up the axle shaft assembly in the Ford 9-inch rear end?
- Per the diagram, the axle shaft assembly includes the axle retainer plate, axle retainer plate gasket, axle bearing, and axle seal.
- What components are inside the differential carrier of a Ford 9-inch?
- The diagram shows side gear washers, right and left side gears, the long pinion shaft, pinion gears with pinion gear washers, and carrier bearings on each side of the case.
- What is the assembly order of the pinion in a Ford 9-inch third member?
- The exploded view shows, in order: pinion shims, pinion retainer O-ring, pilot bearing, pinion gear, inner pinion bearing, pinion retainer, outer pinion bearing, oil slinger, seal, and flange.
- Does the Ford 9-inch axle housing have a vent?
- Yes, the diagram labels a vent located on top of the axle housing tube.
- Does this diagram list part numbers or torque specs?
- No. It only labels component names with leader lines; no part numbers, torque values, or year applicability are shown.
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