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Home >> Mazda >> 1984 >> B2000 Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis & Overhaul - JATCO 3N71B, E4N71B, JM600, L3N71B & L4N71B >> Testing >> Stall Test

Stall Test

  1. Check engine and transmission for proper lubricant levels. Warm engine to normal operating temperature. Attach tachometer to engine and position so it is visible from driver's seat. Block front and rear wheels, and apply hand brake.
  2. Place one foot firmly on brake pedal and place selector lever in "D" position. Gradually increase engine speed to wide open throttle. When engine speed will not increase further, note tachometer reading. Release throttle to idle position immediately.
    CAUTION: DO NOT hold wide open throttle position for more than 5 seconds. DO NOT test more than 2 ranges without allowing vehicle to cool.
  3. Move selector lever to "N" range and run engine at 1200 RPM for at least 1 minute to cool engine and ATF. Repeat stall test procedure with shift lever in "2", "1" and "R" ranges. See STALL SPEED SPECIFICATIONS (RPM)  table.
STALL SPEED SPECIFICATIONS (RPM)

Application Stall RPM
Chrysler Motors Conquest 2350-2650
Mazda
Pickup 2000-2250
RX7 2400-2650
Mitsubishi Starion 2350-2650
Nissan
Maxima 1800-2100
Pickup 2000-2300
200SX 2000-2300
200SX Turbo 2000-2200
300ZX 2150-2450
300ZX Turbo 2500-2800