Stall Speed Test
NOTE:
After each test, shift transaxle into Neutral and run engine for at least 15 seconds to cool torque converter and transmission fluid.
CAUTION:
DO NOT
maintain Wide Open Throttle (WOT) in any gear for more than 5 seconds. If engine RPM exceeds maximum specified stall speed, release accelerator immediately. Clutch or band slippage is indicated.
The stall speed test checks the operation of the following items:
- Converter One-Way Clutch
- Forward Clutch
- Low/Reverse One-Way Clutch
- Reverse Clutch
- Forward One-Way Clutch
- Engine Performance
- Apply service and parking brakes. Connect tachometer to engine, and record RPM reached in each gear selector range (except Neutral) at WOT. See STALL SPEED SPECIFICATIONS (RPM) . If stall speeds exceed specification, ensure engine is mechanically okay and tuned to specification. If engine is okay, remove torque converter and check torque converter one-way clutch for slippage.
- If stall speed is too high in "D", "2" or "1", the following components may be faulty:
- Forward Clutch
- Forward One-Way Clutch
- Low One-Way Clutch
- If stall speed is too high in "R", the following components may be faulty:
- Low/Reverse Clutch
- Reverse Clutch
STALL SPEED SPECIFICATIONS (RPM)
| Model | Stall Speed RPM | |
|---|---|---|
| Contour & Mystique | ||
| 2.0L | 2315-2700 | |
| 2.5L | 2325-2710 | |
| Probe (2.0L) | 2260-2675 | |