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Home >> Ford >> 1992 >> Explorer 2D Utility, 4WD, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul - A4LD >> Testing >> Stall Speed Test >> Testing Precautions

Testing Precautions

  1. Engine coolant and transmission fluid must be at proper levels and operating temperatures. Linkages must be set properly. Hold accelerator down just long enough to get a stable tachometer reading. DO NOT  floor accelerator for more than 5 seconds.
  2. DO NOT  exceed maximum specified RPM for vehicle. Before shifting into each selector position, run engine in Neutral at 1000 RPM for 15 to 20 seconds to cool transmission. If engine speed exceeds specification, release accelerator immediately, as this is an indication of clutch or band slippage.