Stall Speed Test

STALL TEST
The object of this test is to check the overall performance of the transmission and engine by measuring the maximum engine speeds in D and R ranges.

CAUTION:
- Perform the test at normal operating fluid temperature (50 - 8O°C or 122 - 176°F).
- Do not continuously run this test longer than 5 seconds.






1. MEASURE STALL SPEED.
a. Chock the front and rear wheels.
b. Connect a tachometer to the engine.
c. Fully apply the parking brake.
d. Step down strongly on the brake pedal with your left foot.
e. Start the engine.
f. Shift into D range. Step all the way down on the accelerator pedal with your right foot. Quickly read the highest engine rpm at this time.

Stall speed: 2,450 ± 150 rpm.

g. Perform the same test in "R" range.

2. EVALUATION.
a. If the engine speed is the same for both ranges but lower than specified value:
- Engine output may be insufficient.
- Stator one-way clutch is not operating properly.

b. If the stall speed at D range is higher than specified:
- Line pressure too low.
- Forward clutch slipping.
- No. 2 one-way clutch not operating properly.
- O/D one-way clutch not operating properly.

c. If the stall speed at R range is higher than specified:
- Line pressure too low.
- Direct clutch clipping.
- First and reverse brake slipping.
- O/D one-way clutch not operating properly.

c. If the stall speed in R and D ranges is higher than specified:
- Line pressure too low.
- Improper fluid level.
- O/D one-way clutch not operating properly.