Final Drive Carrier and Differential Assembly: Disassembly

WARNING: This page is about a different variant/trim than selected.

Inspect the differential for wear or damage. Install new components as required.

CAUTION: Do not disassemble the planet carrier.

NOTE: If the measurement exceeds specification, install a new complete final drive carrier. If the measurement is within specification, continue with the diagnostic procedure.

Fig 1: Identifying Final Drive Planet Gear End Play With Feeler Gauge

Courtesy of FORD MOTOR CO.

Measure the final drive planet gear end play with a feeler gauge.

NOTE: Do not remove the final drive pinion shaft retaining ring.

Remove the differential pinion shaft.
1. Remove the pinion shaft roll pin.
2. Remove the differential pinion shaft.
  
  Fig 2: Identifying Differential Pinion Shaft & Pinion Shaft Roll Pin
  Courtesy of FORD MOTOR CO.
Remove the pinion gears and thrust washers.
- Turn the differential pinion gears 90 degrees and remove.
  
  Fig 3: Locating Pinion Gears & Thrust Washers
  Courtesy of FORD MOTOR CO.
Remove the differential side gears and differential side gear thrust washers.

Fig 4: Identifying Differential Side Gears & Differential Side Gear Thrust Washers
Courtesy of FORD MOTOR CO.
Clean all parts thoroughly in clean solvent and blow dry with moisture-free regulated compressed air.
Inspect the differential parts for damage and wear.
- Gear teeth
- Thrust washer surface
- Thrust bearing surface
- Pinion shaft
Inspect the final drive planet and carrier.
1. Pinion gear teeth
2. Thrust bearing surfaces
3. Bushing surfaces
  
  Fig 5: Identifying Final Drive Planet & Carrier
  Courtesy of FORD MOTOR CO.