b. Installation
1.
Install coil spring (1) over shock absorber (11) and onto lower control arm (12) ensuring end of coil
spring (1) fits in spring pocket of lower control arm (12).
2.
Ensure coil spring (1) is aligned with spring seat (4) flange, and raise lower control arm (12).
3.
Extend shock absorber (11) into spring seat (4) and install washer (3), pin (2), and locknut (5).
Tighten locknut (5) to 300 lb-ft (407 N.m).
6-30. COIL SPRING REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Five locknuts (Appendix G, Item 106)
Sealing compound (Appendix C, Item 40)
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
a. Removal
NOTE
For rear coil spring replacement on M1037 and M1042 models, it may
be necessary to spread frame from body by positioning prybar between
hinge mount bracket and rear bumper to gain access to shock absorber
retaining pin nut.
1.
Remove capscrew (13), two washers (14), and stabilizer bar link (15) from lower control arm (12).
2.
Remove wheel (para. 8-3).
NOTE
Note direction of outer capscrews for installation.
3.
Remove four locknuts (9), washers (8), capscrews (10), and washers (8) from lower ball joint (7),
geared hub (6) and lower control arm (12). Discard locknuts (9).
4.
Place jack under lower control arm (12) and raise lower control arm (12) slightly to relieve tension
on shock pin (2).
5.
Remove locknut (5), pin (2), washer (3), and shock absorber (11) from spring seat (4) and collapse
shock absorber (11). Discard locknut (5).
NOTE
It may be necessary to loosen lower control arm capscrews to allow
lower control arm to be lowered.
6.
Pull geared hub (6) and ball joint (7) away from control arm (12), lower control arm (12), and remove
coil spring (1) from lower control arm (12) and shock absorber (11).
NOTE
The procedure for removing and installing all four coil springs are
basically the same. This procedure covers the left front coil spring.
TM 9-2320-280-20-2
6-66
Change 2
Equipment Condition
• Hood raised and secured (TM 9-2320-280-20-10)
(front springs only).
M1037 and M1042 only:
• Shelter removed (para. 11-120) (rear shock
absorbers only).
• Lower control arm supported (para. 6-29), (rear
shock absorbers only).
