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Stall Test Results

  1. If stall speed is the same for both ranges but lower than specification, engine output may be insufficient or stator one-way clutch may not be operating properly.
    NOTE: If stall RPM is more than 600 RPM less than specification, torque converter may be faulty.
  2. Stall speed exceeding specification in "D" range may be caused by a slipping forward clutch, defective No. 2 or overdrive one-way clutch or low main line pressure.
  3. Stall speeds exceeding specification in "R" range may be caused by a low main line pressure, direct clutch slipping, 1st and reverse brake slipping or overdrive one-way clutch defective.
  4. Stall speeds exceeding specification in both ranges may be caused by a low main line pressure, improper fluid level or overdrive one-way clutch defective.
STALL SPEED SPECIFICATIONS

Application Stall RPM
SC300 2550-2850
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