Check rear axle center assembly oil level, top up if necessary - AR35.31-P-0520-03V
REAR AXLE CENTER ASSEMBLY HOUSING
| Number |
Designation |
Model 171 except model 171.473 |
Model 171.473 |
| BA35.31-P-1002-02C |
Oil filler plug, rear axle center assembly |
Nm |
50 |
50 |
REAR FINAL-DRIVE UNIT
| Number |
Designation |
Model 171.442/454 |
Model 171.456 |
Model 171.473 |
| BF35.31-P-1001-01O |
Filling capacity |
Rear axle center assembly |
Liters |
1.0 |
1.1 |
1.2 |
| - |
- |
- |
- |
- |
REPAIR MATERIALS
| Number |
Designation |
Order number |
| BR00.45-Z-1061-01A |
Sealant, Omnifit 100H (50 g) |
A 002 989 23 71 |
| BR00.45-Z-1046-04A |
Cleaning spray, Loctite 7063 (150ml) |
A 001 986 71 71 10 |
Courtesy of MERCEDES-BENZ USA
- Clean area around oil filler plug (50g).
- Unscrew oil filler plug (50g)
If necessary collect oil running out and allow to run out until oil only drips out of opening.
Installation:
Replace oil filler screw (50g).
- Check oil level.
Check oil level only at room temperature and not when rear axle center assembly is warm. Oil which is otherwise needed might flow out when the rear axle center assembly is hot.
The rear axle is correctly filled when the oil reaches the bottom edge of the oil filler hole. If necessary refill with hypoid gear oil.
The fully synthetic oil can also be used without reservation for rear axle gears manufactured before 4.11.2001. Mixing old universal hypoid gear oil and new FE hypoid gear oil does not impair the base functions such as wear characteristics, leaktightness, etc. at the rear axle gear, but should however be avoided in order to achieve a better fuel economy behavior.
- Clean new oil filler screw (50g) and tapped hole in rear axle center assembly using Loctite 7063 cleaning spray.
Oil filler screw (50g) and tapped hole have to be free of oil and grease.
- Apply about one droplet of Omnifit 100H sealing compound on the second or third lower thread.
- Screw oil filler screw (50g) into rear axle center assembly immediately and tighten
.
Courtesy of MERCEDES-BENZ USA