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  1. Mark Anthony Mesina

    CAT M317D2 - Lost connection

    Team, I had my CAT M317D2 malfunction on its system. Error appears “CAN Data Link Error”. Unit won’t start the engine. No data appears in the monitor. Does anyone encountered this type of error? Where Im suppose to start diagnosing this type of error. Thankyou Machine serial num: CH500277
  2. Mark Anthony Mesina

    Exhaust Brake not working

    I already scan the ECM and got this error code. Whenever I try to delete the error, this error remains. Is the EGR correlated with the exhaust brake system?
  3. Mark Anthony Mesina

    Exhaust Brake not working

    I have an Isuzu CYZ truck with 6WG1 engine. Exhaust brake isn’t working, I already tested the exhaust actuator having an external supply and it’s working. Upon conducting electrical loop checking, I found out that the relay of the exhaust brake system has a problem with its negative trigger...
  4. Mark Anthony Mesina

    CAT M317 Swing Brake Motor

    Machine Serial No. CH500277
  5. Mark Anthony Mesina

    CAT M317 Swing Brake Motor

    Machine serial no. CH500277
  6. Mark Anthony Mesina

    CAT M317 Swing Brake Motor

    Hi Sir Based on my observation, upper frame still move once it is stop in a desired position, especially when it has a heavy attachment or when travelling the unit. I thought that the swing brake doesn’t have enough pressure to hold it.
  7. Mark Anthony Mesina

    CAT M317 Swing Brake Motor

    Hi team I’m having a problem with the swing brake motor of CAT M317 Wheeled Hex. Whenever I did a rotation/swing, it won’t stop immediately when the joystick is in neutral position. You need to jag a counter rotate first to stop in a required position. I already replaced an OEM clutch pack of...
  8. Mark Anthony Mesina

    C4.4 ACERT engine problem

    Got it! I will check the reluctor ring. I dont expect that it is possible to happen. Well the unit service hours already 7000hrs. Now I assumed that the primary engine SS/proximity sensor read incorrect data. Hence, turns per cycle reading was invalid. Thankyou!
  9. Mark Anthony Mesina

    C4.4 ACERT engine problem

    Hi Sir, I already tried putting the old primary speed sensor back and it’s still the same scenario. Actually I have an identical unit which is running normally, I also tried borrowing the sensor from the running unit and transferred to the down unit, but still the error exist.
  10. Mark Anthony Mesina

    C4.4 ACERT engine problem

    Hi team, I need your strong advice. I have an CAT M317 wheeled excavator equipped with C4.4 ACERT engine. I’m encountering a problem which involves engine speed sensor. As I linked up CAT ET service tooling, status flag posted “no engine speed”. As I crank the engine and monitor “no start...
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