Stall Speed Test
- Engage parking brake and block drive wheels. Connect tachometer to engine. Warm engine to operating temperature.
- Firmly depress brake pedal. Move gear selector to "D". Open throttle to wide open throttle position. Note engine speed and release throttle pedal.CAUTION: Do not operate engine at stall speed for more than 5 seconds. If you need to repeat stall speed test, wait 20 seconds.
- Compare measured stall speed with stall speed specification. See STALL SPEED SPECIFICATIONS table. If stall speed is within range, test is complete.
- If stall speed is too low, check engine condition and adjustments. If no problems with engine are found, torque converter may be defective. If stall speed is too high, check 1st-3rd apply clutch or one-way clutch for slipping or damage.
STALL SPEED SPECIFICATIONS
| Application | RPM |
|---|---|
| APE | 2750-2950 |
| CFA | 2400-2700 |
| CFC | 2700-3000 |
| CFF | 2350-3050 |
| CFH & CNK | 2750-3050 |