SECTION 11: REAR AXLES
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Final Version – Rev.2 April 2016)
3
MAINTENANCE
Oil change interval – Lubricant class 12M
Change differential oil and breather, clean the
drain plug’s magnetic inserts after 100 000
miles or 3 years, whichever comes first.
Note: Oil change interval recommended by ZF
in LIST OF LUBRICANTS TE-ML 12
is
110 000 miles/3 years, whichever comes first.
TORQUES
Filler plug:
52
lbf-ft (70 Nm)
Drain plug:
96
lbf-ft (130 Nm)
Level check plug:
52
lbf-ft (70 Nm)
Breather:
4 lbf-ft (5.5 Nm)
FIGURE 2: ZF A132 DRIVE AXLE
5. Put a large container under the differential
case drain plug. The differential case
contains approximately 19 quarts of oil.
6. Remove the drain plug from the bottom of the
differential case. Drain all the oil and discard
in an environment friendly manner.
7. Clean the magnetic insert of the drain plug, fit
a new seal (O-ring) and reinstall drain plug.
WARNING
The oil temperature may be extremely high!
Risk of burn injuries.
8. Remove the filler plug and the level check
plug.
9. Reinstall the drain plug and tighten to 96
lbf-
ft (130 Nm).
10. Add the specified oil at the filler plug until the
oil level is even with the bottom of the level
check bore.
Filling volume is about 19 quarts (18 liters) at the
level check bore
11. Allow the oil to flow through the axle and
check the oil level again after some minutes.
Refill if necessary until specified level is
reached and remains constant.
12. Reinstall the filler plug and level check plug
using new seals (O-ring) and tighten to 52
lbf-ft (70 Nm).
13. Replace the breather with every oil change.
Tighten to 4 lbf-ft (5.5 Nm).
1.1.4
Compact Bearing (Hub Unit) Axial Play
Check
Check the compact bearing (hub unit) axial play
every 100 000 miles. Furthermore, the bearing
must be checked in case of brake disk change,
ABS fault message and rising noise level at
increasing speed.
Perform compact bearing (hub unit) axial play
check as described in paragraph 6.2 HOW TO
CHECK THE AXIAL PLAY of the following
manual: OPERATING INSTRUCTIONS ZF
AXLE A132 (version with US hub) #5871
207 982 EN.
MAINTENANCE
Compact bearing (hub unit) axial play
Check axial play every 100 000 miles.
1.1.5
Compact bearing (hub unit) Grease
Change
The compact bearing grease must be change
every 4 years or 300
000 miles, whichever
comes first.
