Jeep Cherokee (XJ): Description and operation
Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Transmission and transfer case > Automatic transmission-30RH > Description and operation
- 30RH automatic transmission
- Fluid. Torque converter. Oil pump
- Valve body
- Accumulator. Pistons. Front clutch
- Rear clutch. Overrunning clutch. Planetary gearset
- Bands. Servos. Governor
- Gearshift mechanism. Converter drainback valve. Brake transmission shift interlock mechanism
DESCRIPTION
The 30RH automatic transmission is used with the
2.5L engine (Fig. 1). The 30RH is three speed transmissions
with a lock-up clutch in the torque converter.
The transmissions contain ...
Other materials:
Modes of operation
OPERATION
As input signals to the Powertrain Control Module
(PCM) change, the PCM adjusts its response to the
output devices. For example, the PCM must calculate
different injector pulse width and ignition timing for
idle than it does for wide open throttle (WOT).
The PCM will operate in two ...