Is this the place to ask for help with a repair issue.

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by J.S., Dec 5, 2023.

  1. J.S.

    J.S. Medium Load Member

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  3. JoeyJunk

    JoeyJunk Road Train Member

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    Sure is. The mechanics hang around here.
     
  4. aussiejosh

    aussiejosh Road Train Member

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    Yes either here or AAA.
     
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  5. J.S.

    J.S. Medium Load Member

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    Ok. My fuel separator dome has recently gotten a smudgy orange colored film in it. With my most recent change which was two days ago I again used brake cleaner to clean the dome. Initially I would only wipe the glass with a napkin but hit some advice I could use the cleaner. Anyone know if it’s the cleaner or not. I’d really appreciate any advice on a filter only getting about 600 miles in between changes with a little dip in coolant. I looked in my tanks and they seemed to be clean where I saw. Any help will be appreciated.
     
  6. Arctic_fox

    Arctic_fox Experienced mx13 execrator

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    Sounds like either contimanted fuel or algae to me. If so the cheapest fix would be to run the tanks as dry as you can then have them dropped and steam cleaned. You may need new fuel lines if its really bad though usually treated fuel will murder anything in said lines. Otherwise run some biocide through the system and see if it helps. Biocide likely wont kill everything in the tank or remove anything contaimnateing the fuel but it will keep it from getting worse.
     
  7. J.S.

    J.S. Medium Load Member

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    Well the chalky looking film didn’t embegan till I started cleaning the dome with brake cleaner. I’ve been changing the filter for a while beforehand.
     
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  8. W923

    W923 Heavy Load Member

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    Brake cleaner won’t affect filter life but it could cause the plastic to discolor. We went to actually glass faced diagnostic gauges in the shop for this very reason. I will never forget what it does to safety glasses after some dumba that worked for me though it would be good to clean them
     
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  9. Goodysnap

    Goodysnap Road Train Member

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    Brake cleaner melts plastic and will whiten or fog over the plastic. Buy a new dome and save the brake cleaner for brakes not fuel system.

    Orange buildup is most likely algae.
     
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