Engine Replacement
TM 9-2320-363-34-1 · Chapter 3 — Power Package Maintenance
This task covers: a. Removal b. Cleaning c. Inspection d. Installation
Equipment Description (Cont):
Tools and Special Equipment: Reference Condition Description
Shop Equipment, SC 4910-95-CL-A31 TM 9-2320-363-20 Alternator and Alternator
Tool Kit, SC 5180-90-CL-N05 Adjusting Rod Removed
Shop Equipment, SC 5180-95-CL-A62
Load Rotor, J 36130-812 TM 9-2320-363-20 Fender Extensions
Spreader, 38841 Removed
Materials/Parts: TM 9-2320-363-20 Oil Sample Valve Removed
Washer, Lock TM 9-2320-363-20 STE/ICE Differential
Clamp, Seal P/N KYXOO-5833 Switch Removed
Nut, Lock (7)
Washer, Lock (12) P/N 103323 TM 9-2320-363-20 Transfer Case Front Output
Washer Lock (3) Driveline Removed (All
Washer, Lock (6) Except M915A2)
Tie, Wire
Page 11.1-9 Air Conditioner Compressor
Personnel Required: (2) Removed
References: General Safety Instructions:
TM 9-2320-363-20 WARNING
Equipment Condition: l Do not place finger in hole of engine
flywheel housing while engine is being
Reference Condition Description barred over. To do so could result in
serious injury to personnel.
TM 9-2320-363-20 Engine Oil Drained
Air System Drained l Transmission weighs 900 lb (409 kg).
TM 9-2320-363-20
Support transmission with transmission jack
TM 9-2320-363-20 Transmission Tunnel during removal or installation to prevent
Access Cover Removed possible injury to personnel.
TM 9-2320-363-20 Hood Removed l Do not place hands between engine and
frame or engine and transmission. To do so
TM 9-2320-363-20 Fan Impeller and Shroud could result in serious personal injury.
Removed
TM 9-2320-363-20 Air Intake Tubes, Hoses, l Engine weighs 2,850 lb (1294 kg). Use
and Clamps Removed hoist with lifting capacity of 5,000 lb (2270
kg) to lift and support engine. Failure to do
TM 9-2320-363-20 Air Cleaner, Pre-Cleaner, so could result in injury to personnel.
and Duct Assembly
Removed
TM 9-2320-363-20 Alternator/Air Conditioner
Belt Removed
Tag all wires, cables, connectors, hoses, and tubes prior to removal to aid in installation.
1. REMOVE NUT (1) AND WASHER (2) AND DISCONNECT CABLE (3), GROUND STRAP (4), AND THREE WIRES (5) FROM STARTER (6).
2. REMOVE NUT (7) AND WASHER (6) AND DISCONNECT CABLE (9) AND FOUR WIRES (10) FROM STARTER SOLENOID (11).
3. REMOVE NUT (12) AND WASHER (13) AND DISCONNECT TWO WIRES (14) FROM STARTER SOLENOID (11).
4. REMOVE NUT (15) AND WASHER (16) AND DISCONNECT CABLE (17) AND TWO WIRES (18) FROM PLATE (19).
5. REMOVE SCREW (20), WASHER (21), BRACKET (22), AND PLATE (19).
6. REMOVE SCREW (23), BRACKET (24), AND SPACER (25) FROM ENGINE BLOCK (26). SET CABLE HARNESS (27) ASIDE.
7. REMOVE NUT (28), WASHER (29), AND WIRE (30) FROM FUEL PRESSURE SENDING UNIT (31).
8. IF REMOVING A DDEC II EQUIPPED ENGINE, DISCONNECT TWO PLUGS (32) AND CONNECTOR (33) FROM DDEC II ELECTRONIC CONTROL MODULE (34). PULL HARNESS (35) OUT AND TIE TO CAB MOUNT.
8.1 IF REMOVING A DDEC III EQUIPPED ENGINE, DISCONNECT DDEC III ELECTRONIC CONTROL MODULE HARNESS(ES) FROM CONNECTORS LOCATED AT REAR OF ECM.
8.2 CUT TIE WRAPS AS REQUIRED TO FREE HARNESS FROM ENGINE.
9. DISCONNECT HOSE (36) AND TWO TUBES (37) FROM AIR COMPRESSOR (38).
10. REMOVE TUBE (39), ATOMIZER (40), AND WIRE TIE (41). SET TUBE (39) AND TWO TUBES (37) ASIDE. DISCARD WIRE TIE.
11. REMOVE CLAMP (42), SEAL CLAMP (43), AND EXHAUST PIPE (44). DISCARD SEAL CLAMP.
12. REMOVE NUT (45), LOCK WASHER (46), AND WIRE (47) FROM TEMPERATURE SENDING UNIT (48). DISCARD LOCK WASHER.
13. REMOVE TWO SCREWS (49), TWO LOCK WASHERS (50), AND TWO WIRES (51) FROM TEMPERATURE SENDING UNIT (52). DISCARD LOCK WASHERS.
14. REMOVE NUT (53), WASHER (54), WIRE (55), AND SOLENOID (56). INSTALL NUT (53).
15. REMOVE SCREW (57) AND SET HARNESS (58) ASIDE. INSTALL SCREW (57).
16. REMOVE TWO SCREWS (59), TWO WASHERS (60), AND TWO CLAMPS (61). SET HARNESS (58) ASIDE.
17. REMOVE LOCK NUT (62), WASHER (63), AND CLAMP (64). DISCARD LOCK NUT.
18. REMOVE LOCK NUT (65), WASHER (66), AND BRACKET (67). DISCARD LOCK NUT.
19. REMOVE LOCK NUT (68), WASHER (69), AND TWO CLAMPS (70). DISCARD LOCK NUT.
20. REMOVE NUT (71 ), WASHER (72), SCREW (73), AND WASHER (74) FROM LEFT END OF CROSSMEMBER (75).
21. REMOVE NUT (76), WASHER (77), SCREW (78), AND WASHER (79). SET TRANSMISSION OIL SAMPLE VALVE (80) ASIDE AND REMOVE CROSSMEMBER (75).
22. REMOVE LOCK NUT (81), WASHER (82), AND CLAMP (83), DISCARD LOCK NUT.
23. REMOVE LOCK NUT (84), WASHER (85), SCREW (86), WASHER (87), AND CLAMP (88). DISCARD LOCK NUT.
24. REMOVE LOCK NUT (89), WASHER (90), AND CLAMP (91) FROM REAR OF ENGINE BLOCK (26). DISCARD LOCK NUT.
25. DISCONNECT CONNECTOR (92) FROM ENGINE BRAKE HARNESS (93).
26. DISCONNECT FUEL RETURN HOSE (94) FROM HOSE (95). PLUG FUEL RETURN HOSE (94) AND SET ASIDE.
27. REMOVE NUT (96), LOCK WASHER (97), AND WIRE (98) FROM SENDING UNIT (99), DISCARD LOCK WASHER.
28. DISCONNECT PLUG (100) FROM VOLTAGE REGULATOR (101).
29. REMOVE TWO WIRE TIES (102), THREE NUTS (103), THREE WASHERS (104), AND FIVE WIRES (105).
30. REMOVE SCREW (106), LOCK WASHER (107), WASHER (108), AND GROUND WIRE (109) FROM DUAL VOLTAGE CONTROL (110). FEED HARNESS (111) UNDER CAB (112) AND OUT OF THE WAY. DISCARD LOCK WASHER.
31. DISCONNECT FUEL HOSE (113) FROM PRIMARY FUEL FILTER (114). PLUG FUEL HOSE (113) AND SET ASIDE.
32. REMOVE SCREW (115) AND CLAMP (116) FROM GEAR CASE (117).
33. REMOVE SIX SCREWS (118), SIX LOCK WASHERS (119), DRIVE COUPLER (120), AND POWER STEERING PUMP (121). SET POWER STEERING PUMP (121) ASIDE. DISCARD LOCK WASHERS.
34. DISCONNECT AND PLUG OIL PRESSURE HOSE (122) AND SET ASIDE.
35. REMOVE TWO BOLTS (123), TWO WASHERS (124), AND TIE STRAP (125).
36. REMOVE LOCK NUT (126), WASHER (127), CLAMP (128), SCREW (129), WASHER (130), AND CLAMP (131). DISCARD LOCK NUT.
37. REMOVE FOUR CLAMPS (132) AND DISCONNECT THREE HOSES (133, 134, AND 135).
38. REMOVE FOUR CLAMPS (136) AND FOUR HOSES (133, 134, 135, AND 137).
39. REMOVE SCREW (138) AND WASHER (139) AND ROTATE BRACKET (140) OUT OF THE WAY.
40. LOOSEN FOUR CLAMPS (141) AND REMOVE PIPE (142) AND TWO HOSES (143).
41. REMOVE NUT (144), WASHER (145), CAPSCREW (146), AND WASHER (147) FROM CLAMP (148).
42. LOOSEN CLAMP (149) AND DISCONNECT HOSE (150) FROM TRANSMISSION OIL COOLER (151 ).
43. LOOSEN CLAMP (152) AND REMOVE HOSE AND PIPE ASSEMBLY (153).
44. REMOVE PLUG (154) FROM ENGINE FLYWHEEL HOUSING (155).
45. HAVE ASSISTANT BAR ENGINE (156) OVER USING ACCESSORY DRIVE (157). LOCATE AND REMOVE BOLT (158) THRU HOLE IN ENGINE FLYWHEEL HOUSING (155). REPEAT UNTIL 12 BOLTS (158) HAVE BEEN REMOVED.
Transmission weighs 900 lb (409 kg). Support transmission with transmission jack during removal to prevent possible injury to personnel.
46. SUPPORT TRANSMISSION (159) USING TRANSMISSION JACK. REMOVE 12 SCREWS (160), 12 LOCK WASHERS (161), AND TWO BRACKETS (162). DISCARD LOCK WASHERS.
47. RIGHT SIDE ONLY: REMOVE TWO NUTS (163), TWO WASHERS (164), TWO SCREWS (165), TWO WASHERS (166), AND BRACKET (167) FROM RIGHT ENGINE MOUNT (168).
48. LEFT SIDE ONLY: REMOVE TWO NUTS (169), TWO WASHERS (170), TWO SCREWS (171), AND TWO WASHERS (172) FROM LEFT ENGINE MOUNT (173).
49. REMOVE TWO NUTS (174), TWO WASHERS (175), TWO SCREWS (176), TWO WASHERS (177), TWO ISOLATORS (178), AND TWO SLEEVES (179) FROM FRONT ENGINE MOUNT (180).
Engine weighs 2,850 lb (1294 kg), Use hoist with lifting capacity of 5,000 lb (2270 kg) to lift and support engine. Failure to do so could result in injury to personnel.
50. USING SUITABLE HOIST, LOAD ROTOR (181) AND SPREADER (182) AND LIFT ENGINE (157) SLIGHTLY.
To avoid binding during removal, check frequently to ensure proper alinement between engine and transmission. Failure to do so could result in damage to components.
51. RAISE AND ADJUST HEIGHT OF TRANSMISSION JACK TO MAINTAIN SUPPORT OF TRANSMISSION (160).
52. REPEAT STEPS 50 AND 51 UNTIL ENGINE (157) CAN BE SEPARATED FROM TRANSMISSION (160).
53. SEPARATE ENGINE (157) FROM TRANSMISSION (160), ADJUST LOAD ROTOR SO FRONT OF ENGINE (1 57) IS RAISED AS HIGH AS POSSIBLE TO CLEAR FRAME CROSSMEMBER, AND REMOVE ENGINE FROM VEHICLE (183).
54. REMOVE TWO SCREWS (184), TWO WASHERS (185), TWO SCREWS (186), AND RIGHT ENGINE LEG (187).
55. REPEAT STEP 54 FOR LEFT ENGINE LEG (188).
56. LOWER ENGINE ONTO SUITABLE JACK STANDS.
Use general cleaning methods to clean all parts (page 2-30).
1. INSPECT ENGINE MOUNTS FOR WEAR OR DAMAGE. REPLACE IF NECESSARY.
2. INSPECT ALL PARTS FOR WEAR OR DAMAGE.
1. INSTALL LEFT ENGINE LEG (1), TWO SCREWS (2), TWO WASHERS (3), AND TWO SCREWS (4).
2. REPEAT STEP 1 FOR INSTALLATION OF RIGHT ENGINE LEG (5).
3. USING SUITABLE HOIST, LOAD ROTOR (6), AND SPREADER (7), MANEUVER ENGINE (8) INTO VEHICLE (9) AND MATE ENGINE (8) TO TRANSMISSION (10).
4. ALTERNATELY LOWER TRANSMISSION JACK AND ENGINE HOIST IN SMALL INCREMENTS UNTIL ENGINE (8) IS IN PLACE.
5. RIGHT SIDE ONLY: INSTALL BRACKET (11 ), TWO WASHERS (12), TWO SCREWS (13), TWO WASHERS (14), AND TWO NUTS (15) IN RIGHT ENGINE MOUNT (16). DO NOT TIGHTEN NUTS.
6. LEFT SIDE ONLY: INSTALL TWO WASHERS (17), TWO SCREWS (18), TWO WASHERS (19), AND TWO NUTS (20) IN LEFT ENGINE MOUNT (21). DO NOT TIGHTEN NUTS.
7. INSTALL TWO SLEEVES (22), TWO ISOLATORS (23), TWO WASHERS (24), TWO SCREWS (25), TWO WASHERS (26), AND TWO NUTS (27) IN FRONT ENGINE MOUNT.
8. TIGHTEN FOUR NUTS (15 AND 20) ON TWO REAR ENGINE MOUNTS (16 AND 21).
Transmission must be seated squarely against engine flywheel housing to prevent damage to equipment.
9. INSTALL TWO BRACKETS (29), 12 NEW LOCK WASHERS (30), AND 12 SCREWS (31) IN TRANSMISSION (1 0), TIGHTEN SCREWS HAND-TIGHT.
10. TIGHTEN FOUR SCREWS (31 ) 90 DEGREES APART TO 40 LB-FT (55 N.m).
11. TIGHTEN REMAINING SCREWS (31) TO 40 LB-FT (55 N.m).
12. REMOVE PLUG (32) AND ROTATE TORQUE CONVERTOR TO ALINE HOLES IN FLEX PLATE WITH HOLES IN TORQUE CONVERTOR.
Do not place finger in hole of engine flywheel housing while engine is being barred over. To do so could result in serious injury to personnel.
13. HAVE ASSISTANT BAR ENGINE (8) OVER USING ACCESSORY DRIVE (33). LOCATE AND ALINE HOLES AND INSTALL BOLT (34) THRU HOLE IN ENGINE FLYWHEEL HOUSING (35). REPEAT UNTIL 12 BOLTS (34) HAVE BEEN INSTALLED HAND-TIGHT.
14. TIGHTEN 12 BOLTS (34) TO 96-115 LB-FT (131-156 N.m).
15. INSTALL TWO PLUGS (32 AND 36) IN ENGINE FLYWHEEL HOUSING (35).
16. INSTALL TWO HOSES (37) AND PIPE (38) AND TIGHTEN FOUR CLAMPS (39).
17. INSTALL HOSE AND PIPE ASSEMBLY (40) AND TIGHTEN CLAMP (41).
18. CONNECT HOSE (42) TO TRANSMISSION OIL COOLER (43) AND TIGHTEN CLAMP (44).
19. INSTALL WASHER (45), CAPSCREW (46), CLAMP (47), WASHER (48), AND NUT (49).
20. ROTATE BRACKET (50) INTO POSITION AND INSTALL WASHER (51) AND SCREW (52).
21. INSTALL FOUR HOSES (53, 54, 55, AND 56) AND FOUR CLAMPS (57).
22. CONNECT THREE HOSES (54, 55, AND 56) AND INSTALL FOUR CLAMPS (58).
23. INSTALL TWO CLAMPS (59), TWO BOLTS (60), AND TIE STRAP (61).
24. INSTALL CLAMP (62), WASHER (63), SCREW (64), CLAMP (65), WASHER (66), AND NEW LOCK NUT (67) ON BRACKET (18).
25. UNPLUG AND CONNECT OIL PRESSURE HOSE (68) TO ENGINE (8).
26. INSTALL DRIVE COUPLER (69), POWER STEERING PUMP (70), SIX NEW LOCK WASHERS (71), AND SIX SCREWS (72).
27. INSTALL CLAMP (73) AND SCREW (74) IN GEAR CASE (75).
28. UNPLUG AND CONNECT FUEL HOSE (76) TO PRIMARY FUEL FILTER (77).
29. PULL HARNESS (78) OUT FROM UNDER CAB (79) AND INSTALL GROUND WIRE (80), WASHER (81), NEW LOCK WASHER (82), AND SCREW (83) IN DUAL VOLTAGE CONTROL (84).
30. INSTALL FIVE WIRES (85), THREE WASHERS (86), THREE NUTS (87), AND TWO WIRE TIES (88) ON DUAL VOLTAGE CONTROL (84). CONNECT PLUG (89) TO VOLTAGE REGULATOR (90). INSTALL WIRE (91), NEW LOCK WASHER (92), AND NUT (93) ON SENDING UNIT (94).
33. UNPLUG AND CONNECT FUEL RETURN HOSE (95) TO HOSE (96).
34. CONNECT CONNECTOR (97) TO ENGINE BRAKE HARNESS (98).
35. INSTALL CLAMP (99), WASHER (100), AND NEW LOCK NUT (101).
36. INSTALL CLAMP (102), WASHER (103), SCREW (104), WASHER (105), AND NEW LOCK NUT (106).
37. INSTALL CLAMP (107), WASHER (108), AND NEW LOCK NUT (109) ON REAR OF ENGINE (8).
38. INSTALL CROSSMEMBER (110), TRANSMISSION OIL SAMPLE VALVE (111), WASHER (112), SCREW (113), WASHER (114), AND NUT (115).
39. INSTALL WASHER (116), SCREW (117), WASHER (118), AND NUT (119) IN LEFT END OF CROSSMEMBER (110).
40. INSTALL TWO CLAMPS (120), WASHER (121), AND NEW LOCK NUT (122).
41. INSTALL BRACKET (123), WASHER (124), AND NEW LOCK NUT (125) ON CROSS MEMBER (110).
42. INSTALL CLAMP (126), WASHER (127), AND NEW LOCK NUT (128).
43. POSITION HARNESS (129) AND INSTALL TWO CLAMPS (130), TWO WASHERS (131), AND TWO SCREWS (132).
44. REMOVE SCREW (133). POSITION HARNESS (129) AND INSTALL SCREW (133).
45. REMOVE NUT (134). INSTALL SOLENOID (135), WIRE (136), WASHER (137), AND NUT (134).
46. INSTALL TWO WIRES (138), TWO NEW LOCK WASHERS (139), AND TWO SCREWS (140) ON TEMPERATURE SENDING UNIT (141).
47. INSTALL WIRE (142), NEW LOCK WASHER (143), AND NUT (144) ON TEMPERATURE SENDING UNIT (145).
46. INSTALL EXHAUST PIPE (146), NEW SEAL CLAMP (147), AND CLAMP (148).
49. INSTALL ATOMIZER (149) AND TUBE (150).
50. CONNECT TWO TUBES ( 51) AND HOSE (152) TO AIR COMPRESSOR (53) AND INSTALL NEW WIRE TIE (154).
51. IF INSTALLING A DDEC II EQUIPPED ENGINE, POSITION HARNESS (155) AND CONNECT TWO PLUGS (156) AND CONNECTOR (157) TO ELECTRONIC CONTROL MODULE (158).
51.1 IF INSTALLING A DDEC III EQUIPPED ENGINE, CONNECT ELECTRONIC CONTROL MODULE POWER HARNESS(ES) TO CONNECTORS LOCATED AT REAR OF ECM.
51.2 SECURE HARNESS WITH TIE WRAPS.
52. INSTALL WIRE (159), WASHER (160), AND NUT (161) ON FUEL PRESSURE SENDING UNIT (162).
53. INSTALL BRACKET (163) ON CABLE HARNESS (164). INSTALL SPACER (165), BRACKET (163), AND SCREW (166) IN ENGINE (8).
54. INSTALL PLATE (167), BRACKET (168), WASHER (169), AND SCREW (170).
55. CONNECT TWO WIRES (171) AND CABLE (172) AND INSTALL WASHER (173) AND NUT (174) ON PLATE (167).
56. CONNECT TWO WIRES (175) AND INSTALL WASHER (176) AND NUT (177) ON STARTER SOLENOID (178).
57. CONNECT FOUR WIRES (179) AND CABLE (180) AND INSTALL WASHER (181) AND NUT (182) ON STARTER SOLENOID (178).
58. CONNECT THREE WIRES (183), GROUND STRAP (184), AND CABLE (185). INSTALL WASHER (186) AND NUT (187) ON STARTER (188).
Install transfer case front output driveline (all except M915A2) (TM 9-2320-363-20). Install STE/ICE differential switch (TM 9-2320-363-20). Install oil sample valve (TM 9-2320-363-20). Install fender extensions (TM 9-2320-363-20). Install alternator and alternator adjusting rod (TM 9-2320-363-20). Install air conditioner compressor (page 11.1-9). Install alternator air conditioner belt (TM 9-2320-363-20). Install air cleaner, pre-cleaner, and duct assembly (TM 9-2320-363-20). Install air intake tubes, hoses, and clamps (TM 9-2320-363-20). Install tachometer drive unit (TM 9-2320-363-20). Install fan impeller and shroud (TM 9-2320-363-20). Install hood (TM 9-2320-363-20). Install transmission tunnel access cover (TM 9-2320-363-20). Fill engine with oil (TM 9-2320-363-20).