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Stall Speed Test

CAUTION: DO NOT run engine continuously at stall speed for more than 5 seconds. Oil temperature may increase excessively high.
  1. Object of test is to check overall performance of transaxle and engine by measuring stall speeds in "D" and "R" ranges. Perform test at normal operating temperature.
  2. Connect engine tachometer. Apply parking brake. Block front and rear wheels. Start engine. Depress brake pedal.
  3. Shift into "D" range. Fully depress accelerator pedal. Immediately note engine RPM. DO NOT perform test for more than 5 seconds. Stall speed should be 2300-2800 RPM. Perform same test in "R" range.
  4. If stall speed is same for both ranges, but less than specified RPM, engine output may be insufficient or torque converter is defective.
  5. If stall speed is same for both ranges, but greater than specified RPM, line pressure may be too low.
  6. If stall speed in "D" range is greater than specifications, forward clutch may be slipping or one-way clutch is defective.
  7. If stall speed in "R" range is greater than specifications, direct clutch is slipping or 1st and reverse brake is slipping.
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