2006 c-15 acert coolant leak

Discussion in 'Peterbilt Forum' started by believe456, Nov 4, 2021.

  1. believe456

    believe456 Light Load Member

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    Apr 22, 2015
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    Coolant leak from oil filter housing??
    Question 1, why is my coolant green
    Question 2, is this a typical common recurring problem
    Question 3, what else should i replace while doing this job
    Question 4, how much am i looking to pay indy shop with parts and labor.
     

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  3. lester

    lester Road Train Member

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    Probably just the big O-rings on your oil cooler. Coolant is green because it probably has green Coolant in it??
    Depending on age or miles it might not be a bad idea to replace the oil cooler, when the go bad it makes a heck of a mess. Oil in Coolant
     
  4. lester

    lester Road Train Member

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    Oh it could also be your pre cooler leaking
     
  5. believe456

    believe456 Light Load Member

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    Apr 22, 2015
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    When i first seen i was low on coolant i added normal coolant (pink) will this cause an issue. How much am i looking at money wise to replace
     
  6. lester

    lester Road Train Member

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    Some coolants shouldn't be mixed, have to read to jug. But since they will be draining your coolant anyway just as well have it replaced with new and proper coolant. RED ELC for a cat is recommended I believe.

    Cost i have no idea, i do most of my own work. But either pre cooler or oil cooler aren't bad to work on, parts probably more $ than labor
     
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