Transmission ID
TRANSMISSIONThe Chrysler 46RH automatic transmission is a 4-speed, fully automatic units with an overdrive fourth gear range.
The 46RH is a dual unit design. The assembly consists of a three speed automatic transmission with an overdrive unit attached at the rear. The overdrive unit provides a fourth gear overdrive ratio of 0.69 to 1.
The 46RH valve body has an additional housing. This housing contains the extra valving and electrical solenoids that provide overdrive fourth gear range.
The governor and park lock assemblies are located inside the overdrive unit in 46RH transmissions. The overdrive unit must be removed and disassembled for service access to the park lock and governor components.
First through third gear ranges are provided by the clutches, bands, overrunning clutch and planetary gear sets in the transmission unit. Fourth gear range is provided by the overdrive unit which contains an overdrive clutch, direct clutch, planetary gear set and overrunning clutch.
The overdrive clutch is applied in fourth gear only. The direct clutch is applied in all ranges except fourth gear.