SECTION 10: FRONT I-BEAM AXLE
10 PA1621 Maintenance Manual All Series | January 2017
6. Disconnect the height control valve link from
its support on the axle.
7. Disconnect air lines from front brake
chambers, and cover line ends and fittings to
prevent the entry of foreign matter.
CAUTION
Position the air lines and electric wires so they
will not be damaged while removing the front
axle assembly.
8. Proceed with steps a, b and c, while referring
to Section 16: ‘’SUSPENSION’’.
a) Disconnect sway bar links from axle
brackets.
b) Remove shock absorbers.
c) Disconnect five radius rods: one
transversal and two longitudinal from
subframe, and two upper rods from axle.
9. Remove the bolts and nuts fixing the axle to
the left-hand and right-hand side air springs
mounting supports.
10. Using the jacks, slowly lower the axle
assembly, and carefully pull away from
underneath vehicle.
5.2 REPLACEMENT
Reverse front axle “Removal” procedure. Ensure
cleanliness of air bellows support mounting
plates.
NOTE
Refer to Section 16, ‘’Suspension’’, Section 14,
‘’Steering’’ and to paragraph 10 ‘’Specifications’’
at the end of this section for applicable checks.
Refer to torque tables at the beginning of this
section for tightening.
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