Stall Speed Test
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 1994 Toyota MR2, 1993 Toyota MR2, 1993 Toyota Celica, 1992 Toyota MR2, and 1992 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Perform test at normal operating fluid temperature of 122-176°F (50-80°C). DO NOT
continue test longer than 5 seconds.
- Object of test is to check overall performance of transmission and engine by measuring maximum engine speeds in "D" and "R" ranges.
- Block front and rear wheels. Connect engine tachometer. Apply parking and service brakes. Start engine. Position transmission in "D" range. Fully depress accelerator pedal. Immediately note highest engine RPM. DO NOT
perform test longer than 5 seconds. See STALL SPEED SPECIFICATIONS table. Repeat test in "R" range.STALL SPEED SPECIFICATIONS
Applications RPM A-241E 4A-GZE Engine 2500-2800 5S-FE Engine 2400-2700 A-241H 2200-2500 A-241L 2200-2500 A-243L 2050-2550 - If stall speed is same for both ranges, but lower than specified RPM, engine output may be insufficient or stator one-way clutch is not operating properly.
- If stall speed in "D" range is higher than specifications, forward clutch may be slipping, one-way clutch No. 2 and overdrive are not operating properly, or line pressure is too low.
- If stall speed in "R" range is higher than specifications, direct clutch is slipping, 1st and reverse brake is slipping, line pressure is too low or overdrive one-way clutch is not operating properly.
- If stall speed in "R" and "D" ranges is higher than specifications, line pressure is too low, fluid level is incorrect or overdrive one-way clutch is not operating properly.