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.
1990 Ford Bronco II RWD, Standard, M5OD-R1FACTORY OEM SERVICE PROCEDURE
Battery Specifications
BATTERY SPECIFICATIONS
| Application & Group | Amp Hr. Rating |
|---|---|
| Standard BXT-65 | 650 |
| Optional BXT-65 | 850 |
BATTERY SPECIFICATIONS
| Application & Group | Amp Hr. Rating |
|---|---|
| Regular Cab 2.3/2.9L BX-58C | N/A |
| Optional BXT-65 | 650 |
| Regular Cab 4.0L BXT-65 | 650 |
| Optional BXT-65 | 850 |
| Super Cab All Engines BXT-65C | 650 |
| Optional BXT-65 | 850 |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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