TM 9-2320-387-24-l
6-25. UPPER CONTROL ARM REPLACEMENT
Thii task covers:
a. Removal
b. Installation
INITIAL
SETUP
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Maintenance and repair shop equipment:
automotive (Appendix B, Item 2)
Puller, mechanical (Appendix B, Item 157)
Materials/Parts
Four locknuts (Appendix G, Item 116)
Cotter pin (Appendix G, Item 34)
Lockwasher (Appendix G, Item 217)
Two locknuts (Appendix G, Item 130)
Sealing compound (Appendix C, Item 59)
Manual References
TM 9-2320-387-10
TM 9-2320-387-24P
Equipment Condition
l Wheel removed (para. S-3).
l Hood raised and secured (TM 9-2320-387-10)
(front upper control arm only).
Maintenance Level
Unit
NOTE
The replacement procedure for front and rear upper control arms
is basically the same. This procedure covers the left front upper
control arm.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Remove capscrew (11, washer (2), and vent line bracket (3) from geared hub (4).
Loosen clamp (6) and disconnect vent line (5) from fitting (7).
Remove capscrew (211, clamp (20), and vent line (5) from upper control arm (15).
Remove nut (25), clamp (241, capscrew (231, washer (221, and vent line (5) from upper control arm (15).
Remove cotter pin (311, slotted nut (321, and washer (33) from tie rod end (30).
Discard cotter pin (31).
Using puller, disconnect tie rod end (30) from geared hub (4).
Remove access plug (S), washer (9). halfshaft retaining capscrew (lo), and lockwasher (11) from
halfshaft (29) and geared hub (4). Discard lockwasher (11).
Remove four locknuts (l4), washers (121, capscrews (261, and washers (12)
from upper ball joint
(13)
and upper control arm (15). Discaid locknuts (14).
Remove cotter pin (271, slottled nut (281, and upper ball joint (13) from control arm (15) and geared
hub (4). Discard cotter pin (27).
Remove two locknuts (161, washers (171, capscrews (191, washers (171, and upper control arm (15)
from two brackets (18). Discard locknuts (16).
1.
On front control arms, capscrew head is toward rear of vehicle. On
rear control arms, capscrew head is toward front of vehicle.
Install upper control arm (15) on two brackets (18) with two washers (171, capscrews (191,
washers (171, and locknuts (16).
2.
Install upper ball joint (13) on upper control arm (15) with four washers (121, capscrews (261,
washers (121, and locknuts (14).
3.
Install upper ball joint (13) on upper control arm (15) and geared hub (4) with slotted nut (28).
4.
Tighten slotted nut (28) on upper ball joint (13) to 65 lb-R (88 Nom). Install cotter pin (27).
6-56
NOTE
