Reverse Planet Assembly

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The rocker clutch, reverse clutch and reverse planet assembly is not serviceable and must be replaced as a unit.

Inspect the rocker clutch, reverse clutch and reverse planet assembly.
- The pins and shafts in the planet assemblies should be checked for loose fit or damage. Use a new planet assembly if either condition exists.
- Inspect the pinion gears for damaged or excessively worn teeth.
- Check for free rotation of the pinion gears.
- Check for damage in the Overdrive (O/D) planet assembly.
- Check for damage of the rocker clutch assembly.
- Check for excessive wear of the reverse clutch plates.
  
  Fig 1: Locating Reverse Clutch Plates
  Courtesy of FORD MOTOR CO.
Remove the No. 15 sun gear thrust bearing.

Fig 2: Locating No. 15 Sun Gear Thrust Bearing
Courtesy of FORD MOTOR CO.
Remove the snap ring. Disassemble the reverse ring gear and hub assembly. Inspect the components for damage. If damaged, install new components.

Fig 3: Locating Reverse Ring Gear And Hub Assembly Snap Ring
Courtesy of FORD MOTOR CO.
To assemble, reverse the disassembly procedure.
- Lightly lubricate the thrust washers with petroleum jelly to hold them in place during assembly.
- The tabs on the thrust washers must engage the slots on the reverse planet assembly when installed.
- The snap ring tips must be facing down toward the output shaft hub and fully engaged in the groove.