Automatic transmission stall test

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Automatic Transmission Stall Test
Purpose
Torque Converter Stall
Preliminary Check, Fluid
Preliminary Check, Shift Linkage
Stall Test
Stall Test Cautions
Stall Test 2
Stall Test 3
STC 2
Cool the fluid in the TC
Interpreting the results
Excessive engine speed during a stall test indicates slipping clutches in the transmission.
A engine that is unable to reach stall speed lacks power or the torque converter one way clutch is slipping.
Interpreting the results
Interpreting the Results: High Stall Speed
Interpreting the Results: Low Stall Speed
Fluid Pressure Test
Air Test
AT 2