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Bad head gasket?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Appleman, Nov 5, 2022.

  1. Nov 5, 2022 at 11:36 AM
    #1
    Appleman

    #1
    Appleman [OP] Member

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    Hey there,

    I started losing coolant rapidly while driving. Cannot find any leaks. I pulled a spark plug and it looked clean but the inside of my oil cap is gunned up as pictured. Is this a bad head gasket or could it be something else?

    98FB3C7F-5C41-48A7-9BE7-042186A3C35A.jpg
     
    Appleman, Nov 5, 2022
    #1
  2. Nov 5, 2022 at 12:41 PM
    #2
    Geeves77

    #2
    Geeves77 Well-Known Member

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    3 inch Icon lift with UCA’s
    Yup for the last post
     
    Geeves77, Nov 5, 2022
    #2
  3. Nov 5, 2022 at 3:51 PM
    #3
    tacobp

    #3
    tacobp Well-Known Member

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    Bob
    North Carolina
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    Installed a Pop n Lock,,That's it !..Bone stock
    Get a combustion block tester....40 bucks...
     
    tacobp, Nov 5, 2022
    #3
  4. Nov 5, 2022 at 3:53 PM
    #4
    wilcam47

    #4
    wilcam47 Keep on keeping on!

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    Did you check the dipstick?
     
    wilcam47, Nov 5, 2022
    #4
  5. Nov 5, 2022 at 3:54 PM
    #5
    Bishop84

    #5
    Bishop84 Well-Known Member

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    That's likely just sludge, moisture in the oil system. Longer drives helps combat this.

    I took this pic the other day of a 4.0

    image (3).jpg
     
    Bishop84, Nov 5, 2022
    #5
    Doc Samson, wilcam47 and oldtimertoyota like this.
  6. Nov 5, 2022 at 4:00 PM
    #6
    oldtimertoyota

    #6
    oldtimertoyota Well-Known Member

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    Ya it was alarming the first time I noticed that and that was about 10 years ago

    How many miles on OP’s truck?
     
    oldtimertoyota, Nov 5, 2022
    #6
  7. Nov 5, 2022 at 4:05 PM
    #7
    twblanset

    #7
    twblanset Well-Known Member

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    Mild lift and some tasty bits
    After the truck is warmed up, look in the coolant reservoir and see if there is a line of little bubbles coming out. How quickly are you losing coolant?
     
    twblanset, Nov 5, 2022
    #7

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