Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1990RANGER 4WD L4-140 2.3L SOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSAUTOMATIC TRANSMISSION/TRANSAXLESYSTEM SPECIFICATIONSA/T TECHNICAL DATA
1990 Ford Ranger 4WD L4-140 2.3L SOHC
A/T Technical Data
1990 Ford Ranger 4WD L4-140 2.3L SOHCSECTION A/T Technical Data
A4LD 4-spd A/T, Gear Ratios (Ranger/Bronco II/ Aerostar):
A4LD 4-spd A/T, Shift Speeds (3.0L Aerostar):
A4LD 4-spd A/T, Shift Speeds (2.3L Ranger):
A4LD 4-spd A/T, Shift Speeds (2.9L Ranger/Bronco II):
A4LD 4-spd A/T, Stall Speeds/Vacuum Diaphragm (All):
A4LD 4-spd A/T, Converter End Play/Clutch Plates (All):
A4LD 4-spd A/T, Control Pressures:
A4LD 4-spd A/T, Front Pump/Thrust O/D Washer End Play:
A4LD 4-spd A/T, Clutch Snap Rings/End Play Adjmts:
A4LD 4-spd A/T, Stall Speeds/Converter Size (3.0L/4.0L, 2.9/2.3):
A4LD 4-spd A/T, Clutch Plate Clearances:
A4LD 4-spd A/T, Gear Ratios (Explorer):
A4LD 4-spd A/T, Shift Speeds (Explorer):
A4LD 4-spd A/T, Stall Speeds (Explorer):
A4LD 4-spd A/T, Stall Speeds (Explorer):
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.