INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Three locknuts (Appendix G, Item 58)
Two O-ring seals (Appendix G, Item 161)
Tiedown strap (Appendix G, Item 243.1)
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
Equipment Condition
• Hood raised and secured (TM 9-2320-280-10).
• Battery ground cable disconnected (para. 4-73).
General Safety Instructions
Do not drain fluid when engine is hot.
8-25. POWER STEERING HYDRAULIC SYSTEM PRESURE AND RETURN HOSE
REPLACEMENT
This task covers:
a. Removal
b.
Installation
a. Removal
WARNING
Do not drain fluid when engine is hot. Severe injury to personnel will result
CAUTION
Cover or plug all hoses and connections immediately after disconnection to
prevent contamination. Remove all plugs prior to connection.
NOTE
Have drainage container ready to catch fluid.
1.
Loosen two clamps (3) and disconnect return hose (8) from power steering pump (9) and hydro-boost (19).
2.
Remove two locknuts (12), washers (13), and capscrews (14) from clamps (15) and control valve
hose (16). Remove two clamps (15) from return hose (8). Discard locknuts (12).
NOTE
Perform step 4 for vehicles with new alternator support bracket
configuration.
3.
Remove locknut (6), washer (7), capscrew (2), spacer (4), two clamps (5), clamp (10), and return
hose (8) from alternator bracket (1). Remove clamp (5) from return hose (8). Discard locknut (6).
4.
Remove locknut (6), two washers (7), capscrew (2), two clamps (5), harness clamp (10), and return
hose (8) from power steering lines bracket (11). Remove clamp (5) and tiedown strap (11.1) from
return hose (8). Discard locknut (6) and tiedown strap (11.1).
5.
Remove pressure hose (17) from hydro-boost (19) and steering gear (20). Remove two O-ring
seals (18) from pressure hose (17). Discard O-ring seals (18).
NOTE
Removal and installation procedures are basically the same for all
hydraulic system pressure and return hoses. This procedure covers the
power steering pump to hydro-boost return hose and the steering gear
to hydro-boost pressure hose.
TM 9-2320-280-20-2
8-76
Change 2
b. Installation
1.
Install two O-ring seals (18) on pressure hose (17) and connect pressure hose (17) to steering
gear (20) and hydro-boost (19).
2.
Connect return hose (8) to power steering pump (9) and hydro-boost (19) with two clamps (3).
