5-3. TRANSMISSION OIL COOLER LINES REPLACEMENT
This task covers:
Remove retaining clamps (3) from cooler lines (4).
Loosen hose clamps (1) on rubber hoses (2) and cooler lines (4).
Loosen hose clamps (5) on cooler lines (4).
Have drainage container ready to catch fluid.
Disconnect cooler lines (4) at each end and allow to drain.
Perform step 5 for M997A2, M1025A2, M1035A2, M1043A2,
M1045A2, M1097A2, and M1123 vehicles only.
Disconnect two cooler lines (4) from by-pass valve (6).
Perform steps 6 and 7 to allow access only if removing oil cooler
lines from oil cooler.
Remove four locknuts (9), washers (10), and capscrews (11) from radiator supports (7) and airlift
brackets (8). Discard locknuts (9).
Remove locknut (12), washer (13), capscrew (17), washer (13), large washer (16), and mount (15)
from radiator (14) and front mounting bracket (18). Discard locknut (12).
Remove cooler lines (4) and rubber hoses (2) from vehicle.
General mechanics tool kit:
automotive (Appendix B, Item 1)
Five locknuts (Appendix G, Item 58)
Right splash shield removed (oil cooler lines to oil
cooler only) (para. 10-20).
Left splash shield access cover removed
General Safety Instructions
Allow transmission to cool before performing this
Allow transmission to cool before performing this task. Severe injury
to personnel may result.
Removal and installation procedures are the same for all lines,
regardless of function, size or location. All oil cooler ports should
be plugged to prevent contamination. Remove plugs prior to
Left splash shield can be modified to add engine access cover.
Refer to appendix D, Fig. D-86 and D-87 for installation.