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 DIAGNOSISMAINTENANCEFLUIDSFLUID - DIFFERENTIALSPECIFICATIONS
1990 Ford Ranger 4WD L4-140 2.3L SOHC
Capacity Specifications
1990 Ford Ranger 4WD L4-140 2.3L SOHCSECTION Specifications
| TYPE: | Aerostar, front | Mercon(R) Automatic Transmission Fluid | |
| 1992-93 F150, F250, front | GLS - Gear Lubricant, Special | ||
| 1990-93 Bronco II, Explorer, Ranger,front* 8.8" & 10 1/4" has removable cover, 9.0" does not | GLS - Gear Lubricant, Special | ||
| All others: | Standard | 90 HP | |
| Limited-Slip | 90 HP* | ||
| CAPACITY, Refill: LIMITED-SLIP OR TRACTION-LOK IDENTIFICATION: Label on door lock pillar has letter and number | Front: | Dana 28 Ranger, Bronco II | 1.0 |
| Dana 28-2 Aerostar | 2.2 | ||
| Dana 35 Ranger, Bronco II | 3.5 | ||
| Dana 44 | 3.6 | ||
| Dana 50 | 3.8 | ||
| Dana 60 | 5.8 | ||
| Rear: | Aerostar w/Ford 7.5" ring gear Fill no higher than 3/8" below fill plug | 3.5 | |
| Aerostar w/Ford 8.8" ring gear | 5.3 | ||
| Aerostar w/Dana | 2.5 | ||
| Bronco II | 5.5 | ||
| Ranger w/7.5" ring gear | 5.0 | ||
| Ranger w/8.8" ring gear | 5.5 | ||
| Other Ford | w/8.8' ring gear* 8.8" & 10 1/4" has removable cover, 9.0" does not | 5.5 | |
| w/10 1/4" ring gear* 8.8" & 10 1/4" has removable cover, 9.0" does not | 6.5 | ||
| Dana 60 & 61 ex. 60-IU | 6.3 | ||
| Dana 60-IU 1990 | 6.3 | ||
| Dana 70 ex. HD | 6.5 | ||
| 70 HD | 7.4 | ||
| Dana 80 | 8.3 |
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.