Engine and Torque Converter
Removal Procedure
Show/hide table
| Required Tools | |||
| Tool | Part Number | Part Description | Qty |
| A | 5P-0306 | Vacuum Transducer | 1 |
| 6V-4142 | Fitting | 1 | |
| 5K-5068 | Fitting | 1 | |
| FT-1114 | Vacuum Cap | 1 | |
| B | 6V-6146 | Load Leveler Gp | 1 |
| 138-7574 | Link Bracket | 1 | |
| 5P-8622 | Shackle As | 1 | |
| C | 1U-7498 | Stands | 4 |
| D | 138-7575 | Link Brackets | 2 |
Start By:
- Remove the drive shaft.
- Radiator guard.
- Remove cab.
- Remove clean emissions module.
- Drain the power train oil into a suitable container for storage and disposal.
- Turn the battery disconnect switch to the OFF position.
- Install Tooling (A) onto the hydraulic tank. Attach an air supply hose onto Tooling (A) . Apply 345 ± 69 kPa (50 ± 10 psi) of air. This procedure will pull vacuum on the hydraulic system.
Show/hide table
 | |
| Illustration 1 | g02363336 |
- Disconnect hose assemblies (1) , (2) , (3) , (4) , and (5) .
Show/hide table
 | |
| Illustration 2 | g02363288 |
- Disconnect hose assemblies (6) , (7) , and (8) .
Show/hide table
 | |
| Illustration 3 | g02363283 |
- Remove clips (9) .
Show/hide table
 | |
| Illustration 4 | g02363416 |
- Disconnect hose assembly (10) , harness assembly (11) , hose assembly (12) , harness assembly (13) , and hose assembly (14) .
Show/hide table
 | |
| Illustration 5 | g02363419 |
- Disconnect hose assembly (15) and remove clip (16) .
Show/hide table
 | |
| Illustration 6 | g02363420 |
- Remove clip (17) .
Show/hide table
 | |
| Illustration 7 | g02363358 |
- Disconnect fuel line (18) .
Show/hide table
 | |
| Illustration 8 | g02363436 |
- Remove clips (19) .
Show/hide table
 | |
| Illustration 9 | g02363437 |
- Remove clip (20) , remove and relocate refrigerant accumulator (21) , and disconnect ground cable (22) .
Show/hide table
 | |
| Illustration 10 | g02363439 |
- Remove clip (23) , remove and relocate bracket (24) , remove and relocate refrigerant dryer (25) , and remove clip (26) .
Show/hide table
 | |
| Illustration 11 | g02363440 |
- Disconnect hose assembly (27) and clip (28) .
Show/hide table
 | |
| Illustration 12 | g02363443 |
- Remove tube assembly (29) . Remove hose assemblies (30) . Disconnect cable assembly (31) and harness assembly (32) .
Show/hide table
 | |
| Illustration 13 | g02364124 |
- Remove harness assembly (33) .
Show/hide table
 | |
| Illustration 14 | g02364125 |
- Disconnect cable assemblies (34) . Remove clips (35) and (36) . Remove hose (37) . Remove clips (38) .
Show/hide table
 | |
| Illustration 15 | g02364127 |
- Remove beam assembly (39) .
- Remove clips (40) , bracket (41) , and guard assembly (42) .
Show/hide table
 | |
| Illustration 16 | g02364658 |
- Remove pump coupling (43) .
Show/hide table
 | |
| Illustration 17 | g02364128 |
- Remove clamps (44) . Disconnect hose assembly (45) and elbow (46) .
Show/hide table
 | |
| Illustration 18 | g02364129 |
- Disconnect tube assemblies (47) and clip (48) .
Show/hide table
 | |
| Illustration 19 | g02364132 |
- Remove temperature sensor (49) .
Show/hide table
 | |
| Illustration 20 | g02364133 |
- Remove hose assembly (50) . Disconnect hose assembly (51) and hose assembly (52) .
Show/hide table
 | |
| Illustration 21 | g02365022 |
- Attach a suitable lifting device to pumps (54) . The approximate weight of pumps (54) is 82 kg (180lb). Remove bolts (53) and pumps (54) .
Show/hide table
 | |
| Illustration 22 | g02365058 |
- Disconnect hose assembly (55) .
Show/hide table
 | |
| Illustration 23 | g02365036 |
- Remove tube assembly (56) . Disconnect hose assemblies (57) , (58) , and (61) . Remove clips (59) and (60) .
Show/hide table
 | |
| Illustration 24 | g02365038 |
- Remove hose assemblies (62) and (63) .
Show/hide table
 | |
| Illustration 25 | g02365297 |
- Install Tooling (B) to the engine.
Show/hide table
 | |
| Illustration 26 | g02365337 |
- Remove engine mounting bolts (64) .
Show/hide table
 | |
| Illustration 27 | g02365416 |
- Remove bolts (65) .
Show/hide table
 | |
| Illustration 28 | g02365456 |
- Repeat Step 31 for the other side.
- Remove engine and torque converter (66) . The weight of engine and torque converter (66) is approximately 1678 kg (3700 lb).
Show/hide table
 | |
| Illustration 29 | g02365536 |
- Support engine and torque converter (66) with Tooling (C) .
Show/hide table
 | |
| Illustration 30 | g02365636 |
- Disconnect hose assembly (67) . Remove bracket (68) and cable strap (69) .
Show/hide table
 | |
| Illustration 31 | g02365637 |
- Remove clamp (70) and tube assembly (71) .
Show/hide table
 | |
| Illustration 32 | g02365656 |
- Remove clip (72) .
Show/hide table
 | |
| Illustration 33 | g02365676 |
- Remove harness assembly (73) and tube assembly (74) .
Show/hide table
 | |
| Illustration 34 | g02365696 |
- Install Tooling (D) and a suitable lifting device. The weight of the torque converter is approximately 193 kg (425lb).
Show/hide table
 | |
| Illustration 35 | g02365697 |
- Remove bolts (75) and use pusher bolts in order to remove the torque converter.
- Remove retaining ring (76) and sun gear (77) .
Show/hide table
 | |
| Illustration 36 | g02365698 |
Installation Procedure
- Install engine and torque converter (66) in the reverse order of removal.
- Tighten bolts (65) to a torque of 520 ± 70 N·m (385 ± 50 lb ft).
- Tighten bolts (64) to a torque of 270 ± 40 N·m (200 ± 30 lb ft).
- Tight sensor (49) to a torque of 20 ± 3 N·m (15± 2lb ft).
Caterpillar Information System:
D6T Track-Type Tractor Engine including Specifications Radiator
D6T Track-Type Tractor Engine including Specifications Aftercooler
854K Wheel Dozer and 992K, 993K Wheel Loaders VIMSTM 3G / Product Link Electronic Control Module (ECM) - Replace
Cat® Grade Control for Wheel Tractor Scrapers Machine Symbols
C15 and C18 Petroleum Generator Sets Coolant Temperature Regulator - Replace
980K Wheel Loader Output Transfer Gears - Adjust
Cat® Grade Control for Wheel Tractor Scrapers Text Items - Set
C27 and C32 Engines for Caterpillar Built Machines Fuel System
627H Wheel Tractor-Scraper Circuit Breakers - Reset
627H Wheel Tractor-Scraper Cooling System Coolant Sample (Level 1) - Obtain
627H Wheel Tractor-Scraper Differential and Final Drive Oil - Change
627H Wheel Tractor-Scraper Differential and Final Drive Oil Level - Check
2011/01/06 New Power Train Software Is Now Available for Certain Track-Type Tractors {7620}
854K Wheel Dozer and 992K, 993K Wheel Loaders VIMSTM 3G / Product Link Electronic Control Module (ECM) - Flash Program
D6T Track-Type Tractor Engine including Specifications Radiator Tank - Also Referred to as Coolant Tank
D6T Track-Type Tractor Engine including Specifications Hydraulic Oil Cooler
D8T Track-Type Tractor Machine Systems Fender
Idler Weld Rebuild Procedure {0679, 0729, 4150, 4159} Idler Weld Rebuild Procedure {0679, 0729, 4150, 4159}
D8T Track-Type Tractor Machine Systems Fuel Level Sender
C3.4B Engines for Caterpillar Built Machines Cleanliness of Fuel System Components
D6T Track-Type Tractor Engine including Specifications Oil Cooler (Power Train)
627H Wheel Tractor-Scraper Monitoring System
992K Wheel Loader Machine Systems Piston Pump (Brake) - Remove and Install
621H Wheel Tractor-Scraper Lubricant Viscosities