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
Transmission & Transfer Case Capacities
TRANSMISSION & TRANSFER CASE CAPACITIES
| Application | Specification | Quantity |
|---|---|---|
| 5-Speed Overdrive (Mazda R-1) | Mercon | 5.6 pts. (2.65L) |
| 5-Speed Overdrive (Mitsubishi) | SAE 80W-85 | 4.8 PTS. (2.3L) |
| A4LD Auto. (4X4) | Mercon | 10.0 qts. (9.5L) |
| A4LD Auto. (4X2) | Mercon | 9.7 qts. (9.2L) |
| Transfer Case 13-54 Warner | Mercon | 2.5 pts. (1.2L) |
TRANSMISSION & TRANSFER CASE CAPACITIES
| Application | Specification | Quantity |
|---|---|---|
| 5-Speed Overdrive (Mazda) | Mercon | 5.6 pts. (2.65L) |
| 5-Speed Overdrive (Mitsubishi) | SAE 80W-85 | 4.8 pts. (2.3L) |
| A4LD Auto. (4X4) | Mercon | 10.0 qts. (9.5L) |
| A4LD Auto. (4X2) | Mercon | 9.7 qts. (9.2L) |
| Transfer Case 13-54 Warner | Mercon | 2.5 pts. (1.2L) |
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.