Stall Speed Test: Notes
The Stall Speed Test checks the operation of the following items:
- Torque converter one-way clutch
- Forward clutch
- Low/reverse one-way clutch
- Reverse clutch
- Forward one-way clutch
- Engine performance
WARNING:
Apply the service and parking brakes firmly while carrying out each stall test. Failure to set brakes can result in death or bodily injury.
CAUTION:
Carry out Line Pressure Test before carrying out the stall test. If line pressure is low at stall, do not carry out stall test or further transaxle damage can occur.
NOTE:
The stall test should only be carried out with the engine and transaxle at normal operating temperatures.
- Connect a tachometer to the engine.CAUTION: Do not maintain wide open throttle (WOT) in any gear range for more than five seconds.CAUTION: If engine rpm recorded by the tachometer exceeds maximum specified rpm, release accelerator pedal immediately. Clutch or band slippage is indicated.
- Press accelerator pedal to floor (WOT) in each range. Record rpm reached in each range. Stall speeds should be in appropriate range.