6I6552 PLATE AS Caterpillar parts
365B, 375, 375 L, 5080
Rating:
Alternative (cross code) number:
CA6I6552
6I-6552
6I6552
CA6I6552
6I-6552
6I6552
Weight: 1 pounds 0 kg.
EXCAVATOR, FRONT SHOVEL,
Number on catalog scheme:
2
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Information:
The Electronic Control Module (ECM) detects the following conditions:539(1)
The intake manifold air temperature is at least 75 °C (167 °F) for eight seconds.
The engine has been running for three minutes.539(2)
The intake manifold air temperature is at least 79 °C (174 °F) for eight seconds.
The engine has been running for three minutes.System Response:539(1)The check engine lamp will illuminate while this event code is active. The event code will be logged once the intake manifold air temperature drops below 73 °C (163 °F) for four seconds.539(2)The check engine lamp will illuminate while this event code is active. The event code will be logged once the intake manifold air temperature drops below 77 °C (171 °F) for 25 seconds.Possible Performance Effect:539(1)
There are no performance effects.539(2)
The ECM will derate power by three percent at 79 °C (174 °F). The ECM will derate power an additional 3 percent for every 1 °C (1.8 °F) above 79 °C (174 °F) up to a 20 percent derate at 85 °C (185 °F).Troubleshooting:Intake manifold air temperature can be high for the following reasons:
High ambient air temperature
High inlet air restriction and/or high altitude
Restriction in the exhaust system
Faulty inlet air temperature sensor and/or circuitTest Step 1. Perform the Following Inspections
Check for High Ambient Air Temperature
Determine if the ambient air temperature is within the design specifications for the inlet air system. When ambient temperatures are too high for the rating of the inlet air system, there is not enough of a temperature difference between the ambient air and inlet air temperatures.
Determine the cause of the high inlet air temperature. Correct the situation, when possible.
Check for High Inlet Air Restriction and/or High Altitude Operation
When inlet air pressure is low, the turbocharger works harder in order to achieve the desired inlet manifold pressure. This increases inlet air temperature.
Measure the inlet air pressure while the engine is operating under load. For specific data, refer to the Technical Marketing Information for the engine.
Check for plugged air filters. Check for obstructions to the air inlet. A restriction of the air that enters the engine can cause high cylinder temperatures. High cylinder temperatures cause higher than normal temperatures in the cooling system.
Replace the air filters and/or remove the obstruction from the air inlet.
Consider high altitude operation. The cooling capability of the cooling system is reduced at higher altitudes. A pressurized cooling system that has been designed for the higher altitudes must be used. Ensure that the engine is configured for high altitude operation.
Check for Exhaust System Restriction Check for a restriction in the exhaust system. A restriction of the air that is coming out of the engine can cause high cylinder temperatures.Expected Result:A problem has been found in the inlet air system and/or the related engine systems.Results:
OK - A thorough inspection revealed a problem.Repair: Repair the problem.STOP
Not OK - A thorough inspection did not reveal a problem.Repair: Connect Caterpillar Electronic Technician (ET) to the service tool connector. Check Cat ET for active/logged diagnostic codes related for the inlet air system. If an active/logged code is
The intake manifold air temperature is at least 75 °C (167 °F) for eight seconds.
The engine has been running for three minutes.539(2)
The intake manifold air temperature is at least 79 °C (174 °F) for eight seconds.
The engine has been running for three minutes.System Response:539(1)The check engine lamp will illuminate while this event code is active. The event code will be logged once the intake manifold air temperature drops below 73 °C (163 °F) for four seconds.539(2)The check engine lamp will illuminate while this event code is active. The event code will be logged once the intake manifold air temperature drops below 77 °C (171 °F) for 25 seconds.Possible Performance Effect:539(1)
There are no performance effects.539(2)
The ECM will derate power by three percent at 79 °C (174 °F). The ECM will derate power an additional 3 percent for every 1 °C (1.8 °F) above 79 °C (174 °F) up to a 20 percent derate at 85 °C (185 °F).Troubleshooting:Intake manifold air temperature can be high for the following reasons:
High ambient air temperature
High inlet air restriction and/or high altitude
Restriction in the exhaust system
Faulty inlet air temperature sensor and/or circuitTest Step 1. Perform the Following Inspections
Check for High Ambient Air Temperature
Determine if the ambient air temperature is within the design specifications for the inlet air system. When ambient temperatures are too high for the rating of the inlet air system, there is not enough of a temperature difference between the ambient air and inlet air temperatures.
Determine the cause of the high inlet air temperature. Correct the situation, when possible.
Check for High Inlet Air Restriction and/or High Altitude Operation
When inlet air pressure is low, the turbocharger works harder in order to achieve the desired inlet manifold pressure. This increases inlet air temperature.
Measure the inlet air pressure while the engine is operating under load. For specific data, refer to the Technical Marketing Information for the engine.
Check for plugged air filters. Check for obstructions to the air inlet. A restriction of the air that enters the engine can cause high cylinder temperatures. High cylinder temperatures cause higher than normal temperatures in the cooling system.
Replace the air filters and/or remove the obstruction from the air inlet.
Consider high altitude operation. The cooling capability of the cooling system is reduced at higher altitudes. A pressurized cooling system that has been designed for the higher altitudes must be used. Ensure that the engine is configured for high altitude operation.
Check for Exhaust System Restriction Check for a restriction in the exhaust system. A restriction of the air that is coming out of the engine can cause high cylinder temperatures.Expected Result:A problem has been found in the inlet air system and/or the related engine systems.Results:
OK - A thorough inspection revealed a problem.Repair: Repair the problem.STOP
Not OK - A thorough inspection did not reveal a problem.Repair: Connect Caterpillar Electronic Technician (ET) to the service tool connector. Check Cat ET for active/logged diagnostic codes related for the inlet air system. If an active/logged code is
Caterpillar parts catalog:
Parts plate Caterpillar catalog:
120G, 120H, 120H ES, 120H NA, 12G, 12H ES, 12H NA, 130G, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 16G, 16H NA, 235, 3114, 3116, 3126, 3126B, 317...
246D, 24M, 262D, 272D, 277D, 279D, 287D, 289D, 299D, 305.5E, 345D, 345D L, 345D L VG, 349D, 349D L, 35, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 385B, 385C, 385C FS, 385C L, 385C L MH, ...
345C, 345C L, 345C MH, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 5090B, 5110B, 824G II, 824H, 825G II, 825H, 826G II, 826H, 834H, 83...
246C, 256C, 262C, 262C2, 272C, 277C, 277C2, 279C, 279C2, 287C, 287C2, 289C, 289C2, 297C, 299C, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 824C, 966G, 966G II, 966H, 972G, 972G II, 972H, 9...
16G, 245B, 3406, 3406B, 375, 621B, 621E, 814B, 980C, 980F
1090, 1190, 1190T, 1290T, 1390, 2290, 2390, 2391, 307, 307B, 307D, 307E, 308E, 311, 311B, 311C, 312, 312B, 312B L, 312C L, 313B, 314C, 315, 315B, 315B FM L, 315C, 317, 318B, 318C, 319C, 320 L, 320B, 3...
312, 315, 317, 322 FM L, 330, 330 L, 350, 375, 375 L, 5080
315, 317, 322 FM L, 330, 350, 375 L
120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 160M, 160M 2, 160M 3, 160M 3 AWD, 365B, 365B II, 554, 621K, 623K, 623K LRC, 627K, 627K LRC, 735, 735B, 740, 740B, 776D, 77...
322, 322 FM L, 322 LN, 322B L, 322B LN, 325, 325 L, 325 LN, 325B, 325B L, 330, 330 FM L, 330 L, 330B, 330B L, 350, 375, 375 L, 5080, E240C, E300B, EL240B, M325B, TK1051, W330B
375 L, 5080
365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 374F L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5090B
7Y2185
PLATE
375, 5080
375, 5080
7Y3167
PLATE AS
320 L, 325, 325 L, 325 LN, 330 FM L, 330 L, 350, 375, 375 L, 5080
320 L, 325, 325 L, 325 LN, 330 FM L, 330 L, 350, 375, 375 L, 5080
1438293
PLATE AS
375, 5080
375, 5080
4I8587
PLATE
375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 5080, 5090B
375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 5080, 5090B
7Y2432
PLATE
320 L, 320N, 325 L, 330 L, 350, 5080
320 L, 320N, 325 L, 330 L, 350, 5080
4E8730
PLATE
365B, 365B II, 365C, 385C, 385C FS, 385C L MH, 5080, 5090B
365B, 365B II, 365C, 385C, 385C FS, 385C L MH, 5080, 5090B
7Y1682
PLATE
375, 375 L, 5080
375, 375 L, 5080
7Y0985
PLATE
365B, 375, 375 L, 5080
365B, 375, 375 L, 5080
1358948
PLATE
1090, 1190T, 2290, 330C, 330C L, 345B, 345B II, 345B II MH, 345B L, 365B, 375, 375 L, 5080, 511, OEMS, TK1051, TK711
1090, 1190T, 2290, 330C, 330C L, 345B, 345B II, 345B II MH, 345B L, 365B, 375, 375 L, 5080, 511, OEMS, TK1051, TK711
7Y8979
PLATE
375, 5080
375, 5080
7Y8942
PLATE
345B II, 345C, 345C L, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5080, 5090B
345B II, 345C, 345C L, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5080, 5090B
7Y8943
PLATE
365B, 375, 375 L, 5080
365B, 375, 375 L, 5080