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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Overhaul - 4R44E & 4R55E Automatic Transmission >> Testing >> Stall Speed Test >> Testing Procedure

Testing Procedure

Connect tachometer to engine. Apply parking and service brakes firmly. Place selector lever in each gear. Press accelerator completely to floor and record tachometer reading in each gear. DO NOT  exceed 5 second limit. Engine speed should be within specifications. See STALL SPEEDS SPECIFICATIONS TABLE  .

STALL SPEEDS SPECIFICATIONS

Application Stall Speed RPM
2.3L & 3.0L Engine 2720-3165
4.0L Engine 2550-2950
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