4852791 DRIVE GP-FINAL Caterpillar parts
Rating:
Alternative (cross code) number:
CA4852791
485-2791
4852791
CA4852791
485-2791
4852791
Weight: 2829 pounds 1283 kg.
Information:
Which Generate This Code:The ECM detects all of the following conditions:
Air inlet temperature is greater than 80 °C (176 °F) for more than 4 seconds.
172-03 "Intake Manifold Air Temp open/short to +batt" is not active.
172-04 "Intake Manifold Air Temp short to ground" is not active.System Response:The ECM will log the derate.
Low power
There may be a problem with the aftercooler.
There may be a problem with the air inlet temperature sensor.Test Step 1. Check for Diagnostic Codes
Connect the Caterpillar Electronic Technician (Cat ET) to the service tool connector.
Turn the keyswitch to the ON position.
Check for any active diagnostic codes or logged diagnostic codes.Expected Result:There should be no diagnostic codes that are present.Results:
OK - Proceed to Test Step 2.
Not OK - Repair: Repair the diagnostic codes that are present. Refer to the appropriate topic in the "Troubleshooting With a Diagnostic Code" section of this manual.Ensure that the repair eliminates the problem. Stop.Test Step 2. Perform a Check of the Aftercooler
Perform a check of the aftercooler. Refer to the appropriate topic in Testing and Adjusting for possible causes.Expected Result:There are no problems with the aftercooler.Results:
OK - There may be an intermittent problem.Repair: Monitor the operation of the engine.Repair the problem.Ensure that the repair eliminates the problem. Stop.
Not OK - Repair: Repair the problem.Ensure that the repair eliminates the problem. Stop.
Air inlet temperature is greater than 80 °C (176 °F) for more than 4 seconds.
172-03 "Intake Manifold Air Temp open/short to +batt" is not active.
172-04 "Intake Manifold Air Temp short to ground" is not active.System Response:The ECM will log the derate.
Low power
There may be a problem with the aftercooler.
There may be a problem with the air inlet temperature sensor.Test Step 1. Check for Diagnostic Codes
Connect the Caterpillar Electronic Technician (Cat ET) to the service tool connector.
Turn the keyswitch to the ON position.
Check for any active diagnostic codes or logged diagnostic codes.Expected Result:There should be no diagnostic codes that are present.Results:
OK - Proceed to Test Step 2.
Not OK - Repair: Repair the diagnostic codes that are present. Refer to the appropriate topic in the "Troubleshooting With a Diagnostic Code" section of this manual.Ensure that the repair eliminates the problem. Stop.Test Step 2. Perform a Check of the Aftercooler
Perform a check of the aftercooler. Refer to the appropriate topic in Testing and Adjusting for possible causes.Expected Result:There are no problems with the aftercooler.Results:
OK - There may be an intermittent problem.Repair: Monitor the operation of the engine.Repair the problem.Ensure that the repair eliminates the problem. Stop.
Not OK - Repair: Repair the problem.Ensure that the repair eliminates the problem. Stop.
Caterpillar SIS machinery equipment:
Caterpillar parts catalog:
Parts drive Caterpillar catalog:
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