NHTSA ID Number: 10057466
Manufacturer Communication Number: TP-1554
TSB/Document Date: 2015-06-02
Summary
MERITOR
: TECHNICAL BULLETIN INFORMATION INSTRUCTIONS PROVIDED ON INSPECTING & REPLACING THE TIE ROD ARMS AND TIE ROD END CASTLE NUT TORQUES. *LJ
the tie rod arm. Tighten to the castle nut to 160 lb-ft
(217 N폷m). @
6.
Install the cotter pin. If the hole is not aligned, tighten the castle
nut to align the next available hole in the nut. Do not loosen the
nut to align the cotter pin hole.
앫 If damage is found: Replace the damaged parts. Refer to
the Part Replacement Procedures in this technical bulletin.
5.
Reinstall the tie rod assembly to the tie rod arm if no damage
was found.
7.
Check and, if necessary, adjust toe-in. Refer to Maintenance
Manual 23 for complete procedures.
6.
Install the tie rod end castle nut and tighten to 160 lb-ft
(217 N폷m). @
8.
Lubricate the tie rods. Refer to the Tie Rod Lubrication
Procedure in this technical bulletin.
7.
If the hole for the cotter pin is not aligned, tighten the castle nut
to align the next available hole in the nut. Do not loosen the nut
to align the cotter pin hole. Install a new cotter pin, part
number K-2412 (1/8″ x 1.5″).
Tie Rod Lubrication Procedure
8.
If necessary, lubricate the tie rod assembly. Refer to the Tie
Rod Lubrication Procedure in this technical bulletin.
(16579)
Printed in USA
Lubricate the ends of the tie rod according to the following
procedure.
1.
Ensure the tires touch the ground.
2.
Use a grease gun with 6% 12-hydroxy lithium stearate grease
to lubricate the assembly. Apply the lubricant through the
grease fittings on the assembly.
3.
Apply the lubricant until new lubricant comes from the boot.
Copyright Meritor, Inc., 2015
TP-1554
Issued 02-15
Page 3
Tie Rod Arm Replacement
Appendix
Removal
Parts used in replacement, if required
1.
2.
NOTE: The tie rod ends will already be separated from the tie
rod arm at this point in the process.
Table A: Tag Axle — FH946KX5
Disconnect any steering linkage attached to the tie rod arm.
Figure 2.
Tie Rod End, Right
Tie rod end cotter pin
K2412
Remove the cotter pin and nut that secures the tie rod arm in
the knuckle.
R230134
Part
Part Number
Tie Rod End, Left
Tie rod end cotter pin
K2412
Use a brass or leather mallet for assembly and disassembly
procedures. Do not hit steel parts with a steel hammer. Pieces
of a part can break off and cause serious personal injury.
R230133
16X1035
3.
Remove the tie rod arm from the knuckle. If necessary, tap on
the end of the arm with a brass or leather mallet to separate
the arm from the knuckle.
Tie rod arm slotted nut
1227Y1715
Tie rod arm cotter pin
K2618
Tie rod arm
3133Q7973
Remove the key from the tie rod arm.
Tie Rod Arm, Left
WARNING
4.
Installation
1.
Install the new key in the slot at the tapered end of the new tie
rod arm. Press the key into the slot. Do not mix the arm key
and slot types.
Tie Rod Arm, Right
16X1035
Tie rod arm slotted nut
1227Y1715
Tie rod arm cotter pin
K2618
Tie rod arm
3133P7972
앫 Square Key: Position the key flush to shoulder of the arm
taper.
Table B: Tag Axles — FH946KX41 and FH946KX52
앫 Woodruff Key: Position the key in the slot provided.
Part
2.
Install the tie rod arm in the knuckle.
Tie Rod End, Right
3.
Install the nut that fastens the tie rod arm to the knuckle.
Tighten nut to 775-1450 lb-ft (1051-1965 N•m). @
4.
5.
6.
K2412
R230134
Install the cotter pin. If the holes are not aligned, tighten the nut
to the next hole in the nut. Do not loosen the nut to install the
cotter pin.
Tie Rod End, Left
Connect the tie rod arm to the newly installed or existing tie rod
end. Refer to the tie rod assembly instructions in this technical
bulletin.
Tie Rod Arm, Right
Check and, if necessary, adjust toe-in. Refer to Maintenance
Manual 23 for complete procedures.
Part Number
K2412
R230133
16X1035
Tie rod arm slotted nut
1227Y1715
Tie rod arm cotter pin
K2618
Tie rod arm
3133T7976
Tie Rod Arm, Left
TP-1554
Issued 02-15
Page 4
16X1035
Tie rod arm slotted nut
1227Y1715
Tie rod arm cotter pin
K2618
Tie rod arm
3133S7975
Copyright Meritor, Inc., 2015
(16579)
Printed in USA
Table C: Steer Axle — MFS12155ANL16
Part
Part Number
Tie Rod End, Right
Tie rod end cotter pin
K2412
R230132
Tie Rod End, Left
Tie rod end cotter pin
K2412
R230131
Tie Rod Arm, Right
Tie rod arm key
16X1035
Tie rod arm slotted nut
1227Y1715
Tie rod arm cotter pin
K2618
Tie rod arm
3133H8796
Tie Rod Arm, Left
Tie rod arm key
16X1035
Tie rod arm slotted nut
1227Y1715
Tie rod arm cotter pin
K2618
Tie rod arm
3133G8795
Meritor Heavy Vehicle Systems, LLC
2135 West Maple Road
Troy, MI 48084 USA
866-OnTrac1 (668-7221)
meritor.com
Information contained in this publication was in effect at the time the publication was approved for printing and is subject to
change without notice or liability. Meritor Heavy Vehicle Systems, LLC, reserves the right to revise the information presented or
to discontinue the production of parts described at any time.
Copyright 2015
Meritor, Inc.
All Rights Reserved
Printed in USA
TP-1554
Issued 02-15
(16579)
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TSB/Document ID: TP-1554
Replacement Service Bulletin Number:
MFR Communication Date: 2015-02-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STEERING:LINKAGES:TIE ROD ASSEMBLY
MFR Component System:
MFR Component Subsystem:
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