8T7214 SEAL Caterpillar parts
215B, 229, 235, 245, 621E, 623E, 627E, 631E, 637E, 651E, 657E, 785, 789, 834B, 950B, 950F, 950F II, 960F, 966D, 973, 980C, 988B, D10, D10N, D11N, D4H, D6D, D6E SR, D6H, D7H, D8N, D9L, D9N, R1700 II
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Alternative (cross code) number:
CA8T7214
8T-7214
8T7214
CA8T7214
8T-7214
8T7214
Weight: 0.01 pounds 0 kg.
EXCAVATOR, WHEEL TRACTOR,
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5W7491 - O Ring 4J0524 3T8328 8C1270 8T7214 fits Caterpillar (CAT)
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Number on catalog scheme:
10
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Information:
Conditions Which Generate This Code:
Illustration 1 g01251022
Schematic of the Transmission Output Speed Sensor 2This diagnostic trouble code is associated with the transmission speed sensor 2. This diagnostic trouble code is recorded when the ECU reads the signal from the sensor and the ECU determines that the signal is erratic, intermittent, or incorrect.The possible causes of this diagnostic trouble code are listed:
Wire (E906-OR) is shorted to the ground circuit while the machine is in operation.
Wire (E906-OR) is shorted to the +battery.
An open circuit exists.
The ECU has failed. This is unlikely.Note: The following test procedure may create other diagnostic trouble codes. Ignore these created diagnostic trouble codes and clear the diagnostic trouble codes when the original diagnostic trouble code has been corrected. Ensure that the diagnostic trouble code of CID 0673 FMI 02 is active before performing this procedure.Note: Use a digital multimeter for the measurements in this procedure.Test Step 1. VERIFY SOFTWARE VERSIONNote: From SIS or the latest release of the CD for SIS check and record the latest software version for the machine electronic controls.
Verify the transmission ECU has the latest software version loaded.
Verify that the ECU's have the latest software loaded.Expected Result:All of the software is up to date.Results:
OK - All of the software is up to date. Proceed to Test Step 2.
NOT OK - There is a more recent software release available.Repair: Flash all controls with the latest software release. Refer to Testing and Adjusting, "Electronic Control Unit - Flash Program".STOPTest Step 2. CHECK THE HARNESS.
Turn the key start switch to the OFF position.
Inspect the harness.
Check for the proper mating.
Check the exposed wires for nicks and abrasions.
Check for moisture, dirt, or corrosion.
Check the pin/socket for a proper fit.
Disconnect the machine harness connectors from the transmission ECU.
At the machine harness connector, measure the resistance from connector contact 2 (wire E906-OR) to J1-8 (wire E906-OR) of the transmission ECU. Expected Result:The resistance should be less than 5 ohms.Results:
OK - The resistance is less than 5 ohms. The machine harness is correct. Proceed to test step 3.
NOT OK - The resistance is greater than 5 ohms. There is an open in the machine harness. The open is between the modules for the signal (wire E906-OR).Repair: Repair the machine harness or replace the machine harness.STOPTest Step 3. CHECK IF THE DIAGNOSTIC TROUBLE CODE IS STILL ACTIVE.
Inspect the harness connectors and clean the contacts of the harness connectors and check the wires for damage to the insulation that is caused by excessive heat, battery acid, or chafing.
Perform a 45 N (10 lb) pull test on each of the wires that are associated with the circuit.
Reconnect all harness connectors making sure that the connectors are fully seated and the clips for each connector are completely fastened.
Turn the disconnect switch and the key start switch to the ON position.
Operate the machine.
Determine if the CID 0673 FMI 02 is active.Expected Result:The CID 0673 FMI 02 is active.Results:
YES - The CID 0673 FMI 02 is active. The problem has not been corrected.Repair: Check the circuit again.
Illustration 1 g01251022
Schematic of the Transmission Output Speed Sensor 2This diagnostic trouble code is associated with the transmission speed sensor 2. This diagnostic trouble code is recorded when the ECU reads the signal from the sensor and the ECU determines that the signal is erratic, intermittent, or incorrect.The possible causes of this diagnostic trouble code are listed:
Wire (E906-OR) is shorted to the ground circuit while the machine is in operation.
Wire (E906-OR) is shorted to the +battery.
An open circuit exists.
The ECU has failed. This is unlikely.Note: The following test procedure may create other diagnostic trouble codes. Ignore these created diagnostic trouble codes and clear the diagnostic trouble codes when the original diagnostic trouble code has been corrected. Ensure that the diagnostic trouble code of CID 0673 FMI 02 is active before performing this procedure.Note: Use a digital multimeter for the measurements in this procedure.Test Step 1. VERIFY SOFTWARE VERSIONNote: From SIS or the latest release of the CD for SIS check and record the latest software version for the machine electronic controls.
Verify the transmission ECU has the latest software version loaded.
Verify that the ECU's have the latest software loaded.Expected Result:All of the software is up to date.Results:
OK - All of the software is up to date. Proceed to Test Step 2.
NOT OK - There is a more recent software release available.Repair: Flash all controls with the latest software release. Refer to Testing and Adjusting, "Electronic Control Unit - Flash Program".STOPTest Step 2. CHECK THE HARNESS.
Turn the key start switch to the OFF position.
Inspect the harness.
Check for the proper mating.
Check the exposed wires for nicks and abrasions.
Check for moisture, dirt, or corrosion.
Check the pin/socket for a proper fit.
Disconnect the machine harness connectors from the transmission ECU.
At the machine harness connector, measure the resistance from connector contact 2 (wire E906-OR) to J1-8 (wire E906-OR) of the transmission ECU. Expected Result:The resistance should be less than 5 ohms.Results:
OK - The resistance is less than 5 ohms. The machine harness is correct. Proceed to test step 3.
NOT OK - The resistance is greater than 5 ohms. There is an open in the machine harness. The open is between the modules for the signal (wire E906-OR).Repair: Repair the machine harness or replace the machine harness.STOPTest Step 3. CHECK IF THE DIAGNOSTIC TROUBLE CODE IS STILL ACTIVE.
Inspect the harness connectors and clean the contacts of the harness connectors and check the wires for damage to the insulation that is caused by excessive heat, battery acid, or chafing.
Perform a 45 N (10 lb) pull test on each of the wires that are associated with the circuit.
Reconnect all harness connectors making sure that the connectors are fully seated and the clips for each connector are completely fastened.
Turn the disconnect switch and the key start switch to the ON position.
Operate the machine.
Determine if the CID 0673 FMI 02 is active.Expected Result:The CID 0673 FMI 02 is active.Results:
YES - The CID 0673 FMI 02 is active. The problem has not been corrected.Repair: Check the circuit again.
Cat SIS web machinery list:
Parts seal Caterpillar catalog:
D10N, D8L, D9N
D11N
D11N, D11R, D11T
D10, D11N, D11R, D11T
D11N, D11R
D11N, D11R, D11T
D10N, D10R, D8L, D9L, D9N, D9R
D10N
D10N, D10R, D11R
10, 10S, D10, D11N
D9N
225, 235, 245, 621E, 623E, 627E, 631E, 633E II, 637E, 651E, 657E, 769C, 773B, 785, 789, 824C, 834B, 950B, 950B/950E, 966C, 966D, 966F, 966F II, 966R, 970F, 980C, 988B, 992C, D10, D10N, D11N, D3B, D4E ...
8T7232
SEAL-FACE
245, 651E, 657E, 785, 789, D7H, D9N
245, 651E, 657E, 785, 789, D7H, D9N
245, 245B, 631E, 631G, 637D, 637E, 637G, 651E, 657E, 657G, 844, 844H, 844K, 966D, 966F, 966F II, 966G, 966G II, 970F, D10T2, D9N, D9R, D9T, R1300, R1300G, R1300G II
227, 245, 5130, 5130B, 793D, 793F, 793F AC, 793F CMD, 793F OEM, 793F-XQ, 795F AC, 795F XQ, 797F, 973C
227, 245
8C8717
SEAL
215B, 215C, 215D, 225, 227, 229, 229D, 231D, 235C, 235D, 245, 245B, D11N, D8L, D9N
215B, 215C, 215D, 225, 227, 229, 229D, 231D, 235C, 235D, 245, 245B, D11N, D8L, D9N
227, 231D, 235, 235B, 235C, 235D, 621E, 621F, 621G, 627B, 627E, 627F, 627G, 633E, 770, 772, 773B, 773D, 773E, 773F, 773G, 773G LRC, 773G OEM, 775B, 775D, 775E, 775F, 775G, 775G LRC, 775G OEM, 834H, 83...
215B, 229, 594, 594H, 630B, 633, 633D, 651, 651B, 657, 657B, 666, 977K, 983, 992, D6C, D7F, D9E, D9G, D9H
215B, 225, 231D, 320 L, 320B, 321B, 322B L, 322B LN, 325, 325 L, 325 LN, 325B, 325B L, 539, M325B
245, 631E, 637E, 785, 789, 834B, 988B, D10, D10N, D11N, D6D, D7H, D9N
14G, 235, 235B, 235C, 245, 528, 621E, 623E, 627E, 637E, 657E, 6S, 777B, 785, 789, 950B, 950B/950E, 966D, 980C, 992C, D10N, D11N, D11R, D5B, D5E, D6D, D6E, D6E SR, D6H, D6R, D7H, D8N, D9L, D9N, IT28B