TM 9-2320-280-20-2
5-13. TRANSMISSION SHIFT ROD MAINTENANCE (4L80-E)
This task covers:
a. Removal
c. Adjustment
b. Installation
INITIAL SETUP:
Applicable Models
Materials/Parts
M997A2, M1025A2, M1035A2, M1043A2,
Four cotter pins (Appendix G, Item 17)
M1045A2, M1097A2
Manual References
Tools
TM 9-2320-280-10
General mechanic’s tool kit:
TM 9-2320-280-24P
automotive (Appendix B, Item 1)
1. Place transmission shift lever (7) in neutral.
2. Remove cotter pin (5), washer (6), and trunnion (3) from shift arm (4). Discard cotter pin (5).
3. Remove cotter pin (13) and washer (12) from rear trunnion (9). Remove trunnion (9) and shift rod (8)
from relay lever (11). Discard cotter pin (13).
NOTE
Mark positions of trunnions on shift rod for installation.
4. Remove cotter pins (2) and (10) and trunnion (9) from shift 8). Discard pins (2) and (10).
b. Installation
1. Install trunnion (9) on shift rod (8) on position marked with cotter pins (2) and (10).
2. Install trunnion (9) on relay lever (11) with washer (12) and cotter pin (13). DO not spread cotter pin (13).
3. Install trunnion (3) on shift arm (4) with washer (6) and cotter pin (5). DO not spread cotter pin (5).
4. Check shift rod (8) adjustment (para. c).
c. Adjustment
1.
2.
3.
5-32
CAUTION
If the manual control linkage is not in proper detent for selector
lever position, transmission will be damaged.
NOTE
Proper adjustment makes end of shift rod movement parallel to
relay lever movement.
Move shifter (7) to “1” position and ensure lever (1) is in forward detent position “1” or LOW. If not,
remove cotter pin (5) and washer (6). Turn trunnion (3) until trunnion (3) aligns with shift arm (4).
To align shift rod (8), turn trunnion (3) in one direction and trunnion (9) same amount in opposite direction.
When adjustment is correct spread both cotter pins (5) and (13).
