Exchange Unit

When Should An Exchange Unit Be Installed?
^ The following are considered normal and should not be rectified:
- Slip on shift from P or N under harsh acceleration. Normally, clutches are fully applied within 2 seconds.
- 3-2 downchange under part load and low speed, 25-40 km/h (15-25 mph, occasionally accompanied by light jerk and clicking noise.
- If accelerator is released quickly during a stall test in position D a screeching noise can sometimes result (AW55 only).
- 1-2 upshift harsher with gear selector in 2 than D. (AW55 only.)

^ It is not necessary to remove the automatic transmission from the vehicle to rectify faults associated with the following items (Also unacceptable as reason for installing exchange unit.):
- Oil level
- Oil leakage, excluding leakage from torque converter and oil pump
- Kickdown cable
- Selector linkage
- Parking pawl
- Valve body assembly
- Governor
- Extension housing, coupling flange, speedometer drive and oil seal
- Hydraulics
- Accumulator pistons
- Solenoid valve (AW70/71)

^ Following faults can be repaired with transmission mounted on fixture P/N 5972:
- Oil leakage from torque converter or oil pump
- Torque converter
- Torque converter casing