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 SPECIFICATIONSALTERNATORGENERAL ALTERNATOR SPECIFICATIONSWITH INTEGRAL REGULATOR
1990 Ford Ranger 4WD L4-140 2.3L SOHC
With Integral Regulator
1990 Ford Ranger 4WD L4-140 2.3L SOHCSECTION With Integral Regulator
Ford Make With Integral Regulator
| Slip Ring Turning - Minimum Diameter | Slip Ring Turning - Maximum Runout | Brush Length - New | Brush Length - Wear Limit | ||
| Current Rating At 15 Volts. | 40 Ampere (A) | 1.22 Inch (in) | 0.0005 Inch (in) | 0.48 Inch (in) | 0.25 Inch (in) |
| 40 HE Ampere (A) | 1.22 Inch (in) | 0.0005 Inch (in) | 0.48 Inch (in) | 0.25 Inch (in) | |
| 60 Ampere (A) | 1.22 Inch (in) | 0.0005 Inch (in) | 0.48 Inch (in) | 0.25 Inch (in) | |
| 65 Ampere (A) | 1.22 Inch (in) | 0.0005 Inch (in) | 0.48 Inch (in) | 0.25 Inch (in) | |
| 75 Ampere (A) | 1.22 Inch (in) | 0.0005 Inch (in) | 0.48 Inch (in) | 0.25 Inch (in) | |
| 80 Ampere (A) | 1.22 Inch (in) | 0.0005 Inch (in) | 0.48 Inch (in) | 0.25 Inch (in) |
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.