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Coolant in secondary air pump

Discussion in '2nd Gen. Tacomas (2005-2015)' started by jagergirll, Sep 26, 2024.

  1. Sep 26, 2024 at 9:10 AM
    #1
    jagergirll

    jagergirll [OP] Well-Known Member

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    Update condensation was in the hose going to the SAR.

    I had a check engine light come on and checked the codes. Primary code was P2445 with secondary codes about valve 1 being stuck both in the open and closed position.

    I went to pull off the air pump and the hose was full of coolant. The overflow reservoir is still fine.

    oil is fine no water in it, there’s no oil specks coming out of the exhaust.

    my first thought was blown or leaking head gasket but without other symptoms I’m unsure.

    Any ideas ?

    I’m currently stuck in Fresno California until I get this fixed and can drive home to Missouri.
     
    Last edited: Sep 26, 2024
  2. Sep 26, 2024 at 10:23 AM
    #2
    Dm93

    Dm93 Test Don't Guess

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    There's no possible way for coolant to get into the Secondary Air system unless someone did some kinda crazy incorrect hose routing, are you sure it isn't just moisture?

    Have you had any work done on it recently?
     
  3. Sep 26, 2024 at 10:34 AM
    #3
    jagergirll

    jagergirll [OP] Well-Known Member

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    That’s my thought.

    So I’m thinking my SAP pump is bad and since there was no air flow condensation built up. It’s been out all summer so the condensation had a yellow tint to it.
     
  4. Sep 26, 2024 at 11:06 AM
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    Jimmyh

    Jimmyh Well-Known Member

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    I'd guess that the condensation has the valve stuck due to corrosion... Esp since it has been none functional for so long...
     
  5. Sep 26, 2024 at 11:20 AM
    #5
    2015WhiteOR

    2015WhiteOR Well-Known Member

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    Coolant is "slick" feeling.. whereas dirty water won't be.

    Is it coolant or water?
     
  6. Sep 26, 2024 at 2:26 PM
    #6
    Knudsen

    Knudsen Well-Known Member

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    And coolant has a distinct smell to it. Give it a sniff. The sniff then coolant reservoir. I’ll bet they don’t smell the same. Don’t taste it :D
     
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  7. Sep 26, 2024 at 2:43 PM
    #7
    jagergirll

    jagergirll [OP] Well-Known Member

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    It did not feel like coolant and after pondering where everything feeds to I’m 99.9 percent sure it’s water from condensation collection.
     
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  8. Sep 26, 2024 at 9:42 PM
    #8
    jagergirll

    jagergirll [OP] Well-Known Member

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    SAR replacement done. You do not have to unbolt the mount to replace this. Blew out the hose, changed spark plugs, hooked up the battery and the codes were gone and never came back on.
     

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