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
Differential Fluid Capacities
AXLE CAPACITIES
| Application | Quantity | |||||
|---|---|---|---|---|---|---|
| Front | ||||||
| Dana 28 | 1.1 pts. (.5L) | |||||
| Dana 35 | 3.5 pts. (1.65L) | |||||
| Rear | ||||||
| 7.5" Ford (1) | (2) 5.5 pts. (2.6L) | |||||
| 9.75" Dana M60-1U | 6.3 pts. (3.0L) | |||||
| 10.5" Dana M70-2U | 6.6 pts. (3.1L) | |||||
|
||||||
AXLE CAPACITIES
| Application | Quantity | |||||
|---|---|---|---|---|---|---|
| Front | ||||||
| Dana 28 | 1.1 pts. (.5L) | |||||
| Dana 35 | 3.5 pts. (1.65L) | |||||
| Rear | ||||||
| 7.5" Ford (1) | (2) 5.0 pts. (2.4L) | |||||
| 8.8" Ford (1) | (2) 5.3 pts. (2.5L) | |||||
|
||||||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.