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Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (6F50/6F55) -- Explorer >> Diagnosis And Testing >> Automatic Transmission >> Component Tests >> Stall Speed Chart

Stall Speed Chart

Engine Stall Speed
3.5 L Ti-VCT  2, 200-2, 800
  1. Connect the diagnostic scan tool.
  2. NOTE: If the recorded rpm exceeds the maximum limits, release the accelerator pedal immediately because clutch slippage is indicated.

    In each of the following ranges Drive, Low and Reverse, press the accelerator pedal to the floor and hold it just long enough to let the engine get to WOT  . While conducting this test, do not hold the throttle open for more than 5 seconds each time.

  3. Record the results in each range.
  4. After each range, move the selector lever to NEUTRAL and run the engine at 1, 000 rpm for about 15 seconds to cool the torque converter before conducting the next test.
  5. Use the Stall Speed Diagnosis Chart for corrective actions.
  6. NOTE: The stall speed in reverse will be lower.

    If stall speeds were too high, see the STALL SPEED DIAGNOSIS CHART . If stall speeds were too low, first check engine idle speed and tune up. If engine is OK, remove torque converter and check TCC  for slippage.