6D4933 RETAINER Caterpillar parts
12F, 14E, 16
Rating:
Alternative (cross code) number:
CA6D4933
6D-4933
6D4933
CA6D4933
6D-4933
6D4933
Weight: 0.010 pounds 0 kg.
MOTOR GRADER,
Number on catalog scheme:
30
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Information:
Probable Causes
Engine Oil Cooler
Power Train Oil Cooler (if equipped)
Water-Cooled Turbocharger
Cylinder Head Gasket
BlockThe procedures have been listed in order of probability. Complete the procedures in order.Verify the presence of oil in the coolant with a scheduled oil sample. Verification must be made before performing the procedure.Recommended Actions
Table 1
Troubleshooting Test Steps Values Results
1. Leak in the Engine Oil Cooler
A. Check for leaks in the engine oil cooler. Refer to Testing and Adjusting for the proper procedure.
Oil Cooler
Result: A leak is found in the engine oil cooler.
Repair: Install a new oil cooler core. Refer to the Disassembly and Assembly manual.
Flush the cooling system. Refer to the Operation and Maintenance Manual for the proper flushing procedure. Refill the cooling system with the proper coolant. Refer to the Operation and Maintenance Manual for the correct coolant and capacities.
Check the oil for coolant. If coolant is found in the oil, drain the crankcase. Refill the crankcase with the proper oil after the leak has been repaired. Refer to the Operation and Maintenance Manual for the correct oil capacities and viscosity.
Result: A leak was not found in the engine oil cooler.
Proceed to Test Step 2.
2. Leak in the Power Train Oil Cooler
A. Check for leaks in the power train oil cooler. Refer to Testing and Adjusting for the proper procedure
Power train cooler
Result: A leak is found in the power train oil cooler.
Repair: Install a new oil cooler core. Refer to the Disassembly and Assembly manual.
Flush the cooling system. Refer to the Operation and Maintenance Manual for the proper flushing procedure. Refill the cooling system with the proper coolant. Refer to the Operation and Maintenance Manual for the correct coolant and capacities.
Check the oil for coolant. If coolant is found in the oil, drain the crankcase. Refill the oil after the leak has been repaired. Refer to the Operation and Maintenance Manual for the correct oil capacities and viscosity.
Result: A leak was not found in the power train oil cooler.
Proceed to Test Step 3.
3. Water-Cooled Turbocharger (if equipped)
A. Inspect the turbocharger for cracks.
B. Remove the oil drain line from the turbo and pressurize the cooling system, Refer to Testing and Adjusting, "Cooling System - Test".
C. Check the turbocharger for coolant leakage.
Turbocharger
Result: The turbocharger is cracked.
Repair: Replace the turbocharger. Refer to the engine Disassembly and Assembly for the correct procedure.
Flush the cooling system, Refer to the Operation and Maintenance Manual for the correct procedure.
Refill the cooling system with the proper coolant. Refer to the Operation and Maintenance Manual for the correct coolant and capacities.
Check the oil for coolant. If coolant is found in the oil, drain the oil. Refill the oil after the leak has been repaired. Refer to the Operation and Maintenance Manual for the correct oil capacities.
Result: The turbocharger is not cracked.
Proceed to Test Step 4.
4. Cylinder Head Gasket
A. Remove the cylinder head. Refer to the Disassembly and Assembly manual.
B. Check the cylinder liner projection. Refer to the Systems Operation/Testing and Adjusting manual.
C. Install a new cylinder head gasket and new water seals in the
Engine Oil Cooler
Power Train Oil Cooler (if equipped)
Water-Cooled Turbocharger
Cylinder Head Gasket
BlockThe procedures have been listed in order of probability. Complete the procedures in order.Verify the presence of oil in the coolant with a scheduled oil sample. Verification must be made before performing the procedure.Recommended Actions
Table 1
Troubleshooting Test Steps Values Results
1. Leak in the Engine Oil Cooler
A. Check for leaks in the engine oil cooler. Refer to Testing and Adjusting for the proper procedure.
Oil Cooler
Result: A leak is found in the engine oil cooler.
Repair: Install a new oil cooler core. Refer to the Disassembly and Assembly manual.
Flush the cooling system. Refer to the Operation and Maintenance Manual for the proper flushing procedure. Refill the cooling system with the proper coolant. Refer to the Operation and Maintenance Manual for the correct coolant and capacities.
Check the oil for coolant. If coolant is found in the oil, drain the crankcase. Refill the crankcase with the proper oil after the leak has been repaired. Refer to the Operation and Maintenance Manual for the correct oil capacities and viscosity.
Result: A leak was not found in the engine oil cooler.
Proceed to Test Step 2.
2. Leak in the Power Train Oil Cooler
A. Check for leaks in the power train oil cooler. Refer to Testing and Adjusting for the proper procedure
Power train cooler
Result: A leak is found in the power train oil cooler.
Repair: Install a new oil cooler core. Refer to the Disassembly and Assembly manual.
Flush the cooling system. Refer to the Operation and Maintenance Manual for the proper flushing procedure. Refill the cooling system with the proper coolant. Refer to the Operation and Maintenance Manual for the correct coolant and capacities.
Check the oil for coolant. If coolant is found in the oil, drain the crankcase. Refill the oil after the leak has been repaired. Refer to the Operation and Maintenance Manual for the correct oil capacities and viscosity.
Result: A leak was not found in the power train oil cooler.
Proceed to Test Step 3.
3. Water-Cooled Turbocharger (if equipped)
A. Inspect the turbocharger for cracks.
B. Remove the oil drain line from the turbo and pressurize the cooling system, Refer to Testing and Adjusting, "Cooling System - Test".
C. Check the turbocharger for coolant leakage.
Turbocharger
Result: The turbocharger is cracked.
Repair: Replace the turbocharger. Refer to the engine Disassembly and Assembly for the correct procedure.
Flush the cooling system, Refer to the Operation and Maintenance Manual for the correct procedure.
Refill the cooling system with the proper coolant. Refer to the Operation and Maintenance Manual for the correct coolant and capacities.
Check the oil for coolant. If coolant is found in the oil, drain the oil. Refill the oil after the leak has been repaired. Refer to the Operation and Maintenance Manual for the correct oil capacities.
Result: The turbocharger is not cracked.
Proceed to Test Step 4.
4. Cylinder Head Gasket
A. Remove the cylinder head. Refer to the Disassembly and Assembly manual.
B. Check the cylinder liner projection. Refer to the Systems Operation/Testing and Adjusting manual.
C. Install a new cylinder head gasket and new water seals in the
Caterpillar parts catalog:
Parts retainer Caterpillar catalog:
14E, 517, 518C, 527, 528, 528B, 530B, 561D, 621, 621B, 621E, 621F, 621G, 623E, 623F, 623G, 627B, 627E, 627F, 627G, 627H, 627K, 627K LRC, 631C, 631E, 631G, 633D, 633E II, 637D, 637E, 637G, 657B, 7221, ...
16, 1693, 631C, 641, 651, 657, 657B, 666, 769, 824, 824B, 825B, 826B, 834, 983, 988, D343, G343
12E, 16, 1673, 583H, 651, 657, 955C, 977H, 988, D315, D326F, D330A, D342, D342C, D343, D353C, D375D, D379A, D4D, D8H, D9E, D9G, D9H
120, 120B, 12F, 140, 140B, 14E, 16, 16G, 235, 235C, 245, 3304, 3304B, 3306, 3606, 3608, 5130, 5130B, 5230, 5230B, 528, 528B, 530B, 561C, 561D, 572G, 578, 589, 594, 594H, 613, 621, 621E, 621F, 621R, 62...
16, 613, 621, 621B, 623B, 627B, 630B, 631C, 633, 651, 666, 6A, 7A, 824C, 824S, 834B, 8A, 951, 955K, 966C, 977, 980, 988, D6D, D6E, D6E SR, D6G SR, D6G2 XL, D7F, D7G, D9G
16, 651, 657, 666, 768B, 769, 772, 773
120B, 12E, 140B, 14E
120B, 12E, 140B, 14E
120B, 12E, 140B, 14E
120B, 12E, 140B, 14E
120, 120B, 12E, 12F, 140B, 14E
120B, 12E, 12F, 140, 140B, 14E
6D4930
RETAINER
12F, 14E, 16
12F, 14E, 16
6J2366
RETAINER
14E, 16
14E, 16
4J3529
RETAINER
14E, 16
14E, 16
4D0903
RETAINER
140, 140B, 14E, 16
140, 140B, 14E, 16
120B, 12F, 140B, 14E
6D276
RETAINER
12F
12F
6D275
RETAINER
12F
12F
7D0247
RETAINER ASSEM.
12F, 14E, 16
12F, 14E, 16