Copyright Meritor, Inc., 2021
MM-96147 / Revised 03-21
Page 13
(16579)
Printed in USA
4 Inspection
4011839a
Fig. 4.5
Flange-Style Driveline
Greaseable Universal Joints
1. Check that all grease fi ttings are installed. Replace missing
or damaged fi ttings. Tighten them to 6 lb-ft (8 Nm).
Figure 4.6.
2. Check for loose grease fi ttings. Tighten them to 6 lb-ft (8 Nm).
4001802a
Fig. 4.6
Center Bearings
1. Inspect all center bearing and end yoke or fl ange midship
nuts for gaps or looseness between the mating surfaces.
Figure 4.7 and Figure 4.8.
• If you can see gaps between the mating surfaces:
Disconnect the driveline. Tighten the coupling yoke or
fl ange retaining nut to 450-600 lb-ft (612-816 Nm).
4001797a
Fig. 4.7
Yoke-Style Driveline
4011831a
GAP
NUT
Fig. 4.8
Flange-Style Driveline
2. Inspect the center bearing bracket bolts for looseness.
Figure 4.9 and Figure 4.10.
• If the bolts are loose:
Verify that the bracket is aligned
correctly before you tighten the bolts. Tighten the center
bearing bracket bolts. Refer to the vehicle manufacturer’s
procedures for the correct torque specifi cation.
4001880a
Fig. 4.9
Yoke-Style Driveline
4011838a
Fig. 4.10
Flange-Style Driveline
3. Inspect the center bearing rubber cushion for damage. If
equipped, check that the defl ectors are not rubbing against
the rubber cushion. Verify that the rubber cushion is correctly
seated in the metal bracket.
• If any of these conditions are evident:
Replace the
center bearing assembly.