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4. LSZ20 Remove Lower Control Arm
Required Tools:
1-5/16" combination wrench
1-5/16" socket
3/4" socket
3/4" wrench
3/8" open-end wrench
Small hydraulic press
Roll of masking tape (optional)
Torque wrench capable of 400 ft.-lbs.
NOTE: DO NOT remove and replace control arms on both
sides at the same time. Remove and replace one
side at a time.
1.
Remove and discard two (2) 7/8" lock nuts and two (2)
7/8" washers from both lower 7/8" pivot bolts.
2.
Remove and discard lower two (2) 7/8" pivot bolts and
two (2) 7/8" washers.
3.
Remove the lower control arm, retain if NOT replacing.
Discard four (4) wear washers.
Servicing upper control arm, go to Section 5.
Replacing bushings in lower control arm, go to Section 6.
Replacing lower control arm, go to Section 10.
5. LSZ20 Remove Upper Control Arm
NOTE: DO NOT remove both upper and lower control
arms on both sides. Remove one side at a time.
1.
Remove and retain two (2) 1/2" bolts and two (2) 1/2"
lock washers that attach the air spring piston to the axle.
2.
Disconnect supply tubing to SuperChamber by depressing
release collar with 3/8" open-end wrench on fitting at
same time pulling on supply tubing (Figure 1).
3.
Remove and discard two (2) 7/8" lock nuts and two (2)
7/8" washers from both upper 7/8" pivot bolts.
4.
Remove and retain one (1) 3/4" bolt, (1) 3/4" lock nut
and two (2) 3/4" washers from lift assembly.
5.
Remove and retain lift assembly and stop tube (Figure 2)
6.
Remove and discard upper two (2) 7/8" pivot bolts and
two (2) 7/8" washers from both upper pivots.
7.
Remove upper control arm, retain if NOT replacing.
Discard four (4) wear washers.
Replacing bushings in control arms, go to Section 6.
Replacing control arms, go to Section 9.
XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Figure 2
STOP TUBE
Control Arm Removal
9
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