2017 inter 4300 durastar no breaks at all

Discussion in 'International Forum' started by fifthwheelhub, Jan 14, 2025.

  1. fifthwheelhub

    fifthwheelhub Bobtail Member

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    Jan 10, 2025
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    Hi all , 2017 cummins engine 230K miles on it.The truck was sitting for a while 6 months, we put new batteries start and runs no problem but creating chiming noise inside makes me crazy and ABS lights, break pressure warning lights are ON. SPONGY BREAK pedal hitting to the floor but no breaking respond. I can hear pump starting sound when start the truck sand it stops after. upside down triangle sign is ON which I dont know what is the meaning. Can you suggest a troubleshooting logic? fluid level are good and no leaks anywhere. Thanks
     
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  3. Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    You probably have a rotten brake line that has broken open and leaking.
     
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  4. Inderjit

    Inderjit Heavy Load Member

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    Sep 17, 2017
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    What brake system do you have? Is there an electric pump on the master cylinder or are the brake pumps located on the left frame rail behind the cab?
     
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