The rings on the output shaft of an RE5R05A ride inside a sun gear shaft. Two of the four rings on the sun gear shaft seal feed pressure to the High and Low/Reverse Clutch. These sealing rings are easily broken if not placed onto the shaft carefully. The rings on the output shaft separate lube pressure from clutch pressure. When an output shaft ring breaks, it can allow clutch feed pressure to enter the lube circuit. This will cause a drop in clutch apply pressure — affecting drive and reverse engagements — and will burn the clutch.
If only an output shaft ring is broken, this can be repaired without pulling the transmission. The drive shaft or transfer case will need to be removed followed by the extension housing or 4WD adapter housing (Figures 1-3).
The drive shaft or transfer case holds the output shaft into place. Once it is removed, the parking gear and output shaft slides out of the transmission (Figures 4-6).
Once on the bench, the broken ring can be located and replaced with a new one (Figures 7-9).
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