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.
00 11 ... Checking/Topping Up Oil Level In Rear Differential
To avoid serious damage to the rear differential, it is essential to use only approved gear oils in the differential. See REAR AXLE - OPERATING FLUIDS .
Undo oil filler plug (1).
Check oil level.
If necessary, pour in rear differential oil up to lower edge of opening for oil filler plug (1).
Installation:
- Oil filler plug with sealing ring:
Replace sealing ring (1).
Tightening torque. See REAR AXLE - TIGHTENING TORQUES - ALPINA .
- Oil filler plug with O-ring:
Replace oil filler plug (2).
Tightening torque. See REAR AXLE - TIGHTENING TORQUES - ALPINA .
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.