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.
2003 Acura MDX BaseFACTORY OEM SERVICE PROCEDURE
Exploded View
Special Tools RequiredΒ
Companion flange holder 07XAB-0020100
- Remove the transfer cover (A) from the transfer housing (B).
- Remove the transfer hypoid drive gear/shaft assembly (C), 25 mm thrust shim (D), and tapered roller bearing (E).
- Remove the O-ring (G) from the cover.
- Drain the transfer fluid (hypoid gear oil) from the transfer housing.
- Cut the lock tab on the lock nut using a chisel.
- Secure the transfer housing in a bench vise with soft jaws. To prevent damage to the transfer housing, always use soft jaws or equivalent materials between the transfer housing and the vise.
- Install the special tool on the companion flange, then loosen the lock nut.
- Remove the special tool.
- Remove the lock nut (A), conical spring washer (B), back up ring (C), O-ring (D), and companion flange (E) from the transfer output shaft (hypoid gear) (F).
- Remove the transfer output shaft (hypoid gear) (A) from the transfer housing (B), then remove the thrust washers (C) and transfer spacer (D) from the transfer output shaft (hypoid gear).
- Remove the oil seal (A) and tapered roller bearing (B) from the transfer housing.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
