1. Welcome to Tundras.com!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tundra discussion topics
    • Transfer over your build thread from a different forum to this one
    • Communicate privately with other Tundra owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

Antifreeze in oil, blown head gasket or oil cooler?

Discussion in '1st Gen Tundras (2000-2006)' started by woosah, May 10, 2023.

  1. May 12, 2023 at 7:15 PM
    #31
    woosah

    woosah [OP] New Member

    Joined:
    Apr 4, 2023
    Member:
    #94980
    Messages:
    35
    Vehicle:
    '04 Tundra 4x4 SR5 w/ V8 and LSD

    my oil..this was from my first oil change on this vehicle and honestly on any vehicle in a while.

    I think I mistook the slightly brown shade as coolant/oil mixture..
     
    shifty` likes this.
  2. May 13, 2023 at 1:24 AM
    #32
    Aerindel

    Aerindel New Member

    Joined:
    Jan 31, 2019
    Member:
    #25399
    Messages:
    1,657
    Gender:
    Male
    Montana
    Vehicle:
    2000 Tundra AC, SR5, 4.7 V8 4WD, 325,00ish miles.
    I've seen mixed coolant and oil, it's a nasty milky brown, not like that at all. Very distinctive.

    You just have dirty oil.
     
  3. May 13, 2023 at 10:34 AM
    #33
    shifty`

    shifty` Grab your dope and your shelltoe shoes!

    Joined:
    Jun 20, 2020
    Member:
    #48239
    Messages:
    26,665
    ATL
    Vehicle:
    '06 AC Limited V8/4WD
    (see signature for truck info)
    Looks pretty good to me.
    Yeah, and more opaque to boot.
     
    woosah[OP] likes this.
  4. May 14, 2023 at 6:38 PM
    #34
    bfunke

    bfunke Tundra Curmudgeon

    Joined:
    Oct 13, 2019
    Member:
    #37321
    Messages:
    2,314
    Gender:
    Male
    First Name:
    Bryan
    South Carolina
    Vehicle:
    2018 SR-5 CM 5.7, 2000 SR-5 AC 4.7L
    Agree - oil and coolant mix forms a milky emulsion.
     
  5. Jun 18, 2023 at 7:05 PM
    #35
    woosah

    woosah [OP] New Member

    Joined:
    Apr 4, 2023
    Member:
    #94980
    Messages:
    35
    Vehicle:
    '04 Tundra 4x4 SR5 w/ V8 and LSD
    Sooooo....I got hit by the car gods in a wierd way.

    The truck overheated again after I replaced the radiator. Shortly after I pulled the oil stick and it was definitely the mixture we hate to see...

    I should have took a picture but I was definitely heart broken.

    I took it to a family friend mechanic. Turned out it was not the head gasket but a head bolt had cracked. I wish he would have stopped his work there and just replaced the bolt but he opened the heads, replaced the gasket etc..

    Now its back together, but the engine sounds crazy like the valve timing is off. I dont have the actual engine code, I will be taking it back tomorrow. First I will be removing the ignition interlock I have on it since it is a pain for any mechanic to work on it/start it.

    Ill keep you all updated.

    Side story.
    Now I'm driving around my parents old acura rdx. The car was not in good condition. It had not been driven in a while and the battery wouldnt even turn anything on. I got the battery charged up and got it running but found a whole list of issues.
    First the car died on me at a stoplight. Luckily it was around the corner from my house, my friend came and jumped me but the car dies as I turn down my street just a few blocks away from home. Turns out the alternator took a crap.
    Got that fixed hoping it would fix the mis-firing when idling. Turns out all that needed was an oil-change.
    And the car made crazy noises when I was driving/stopping. I pulled up to a friends party and a mechanic there told me I needed new rear brakes. Took it to him for a new set of rotors and pads and now the noises are gone. Now the car is running great and the only known issues are a loose heatshield, and the A/C is not working.

    :fingerscrossed::fingerscrossed::fingerscrossed::fingerscrossed::fingerscrossed:
     
  6. Jun 18, 2023 at 9:55 PM
    #36
    Aerindel

    Aerindel New Member

    Joined:
    Jan 31, 2019
    Member:
    #25399
    Messages:
    1,657
    Gender:
    Male
    Montana
    Vehicle:
    2000 Tundra AC, SR5, 4.7 V8 4WD, 325,00ish miles.
    Well, not that its a fair trade....

    But now you know what oil in coolant actually looks like:facepalm:.
     
  7. Jun 19, 2023 at 4:50 AM
    #37
    TheBrit

    TheBrit Wrinkly member

    Joined:
    Apr 16, 2022
    Member:
    #77262
    Messages:
    614
    Gender:
    Male
    First Name:
    Mark
    Vehicle:
    2013 Double Cab Tundra 2WD stuckinthemud
    What the heck is a cracked head bolt? I've known bolts to seize and bolts to break, I've seen bolts in iron keels that you wouldn't believe and bolts that have stretched but cracked?
     
    FirstGenVol and shifty` like this.
  8. Jun 19, 2023 at 5:32 AM
    #38
    shifty`

    shifty` Grab your dope and your shelltoe shoes!

    Joined:
    Jun 20, 2020
    Member:
    #48239
    Messages:
    26,665
    ATL
    Vehicle:
    '06 AC Limited V8/4WD
    (see signature for truck info)
    This was my question as well? Snapped head bolt, maybe? It'd let water/oil mix some, but as long as nothing got thrown and no excess water compressed, I don't see the problem in pulling things, swapping the head gasket(s), and going about the day...
     
  9. Jun 19, 2023 at 7:52 AM
    #39
    TheBrit

    TheBrit Wrinkly member

    Joined:
    Apr 16, 2022
    Member:
    #77262
    Messages:
    614
    Gender:
    Male
    First Name:
    Mark
    Vehicle:
    2013 Double Cab Tundra 2WD stuckinthemud
    Yup. Or at least ordinarily yup because I’m going to hazard a guess that these things have got interference heads and OP’s ‘engine sounds crazy, like timing off’ is not a good omen!
     
  10. Jun 19, 2023 at 7:54 AM
    #40
    TheBrit

    TheBrit Wrinkly member

    Joined:
    Apr 16, 2022
    Member:
    #77262
    Messages:
    614
    Gender:
    Male
    First Name:
    Mark
    Vehicle:
    2013 Double Cab Tundra 2WD stuckinthemud
    * We Brits do use the term ‘cracked the bolts’ meaning to loosen them but the context here doesn’t make sense for that.
     
    Aerindel likes this.
  11. Jun 19, 2023 at 3:11 PM
    #41
    Aerindel

    Aerindel New Member

    Joined:
    Jan 31, 2019
    Member:
    #25399
    Messages:
    1,657
    Gender:
    Male
    Montana
    Vehicle:
    2000 Tundra AC, SR5, 4.7 V8 4WD, 325,00ish miles.
    Yeah, I've got to admit, I have no idea what the OP means by cracked bolt either.
     
  12. Jun 19, 2023 at 5:16 PM
    #42
    Mr.bee

    Mr.bee King Turdra

    Joined:
    Jun 4, 2022
    Member:
    #79178
    Messages:
    6,427
    Gender:
    Male
    SATX
    Vehicle:
    '02 AC TRD
    ?broken head bolt?
     
  13. Jun 19, 2023 at 5:51 PM
    #43
    Mr Badwrench

    Mr Badwrench New Member

    Joined:
    Jul 20, 2018
    Member:
    #17205
    Messages:
    1,311
    Gender:
    Male
    I don't understand guys. If OP said the head bolt was "fucked", you'd probably know what he meant. Apparently the head bolt is no good. It's broken. It's beyond its service life.

    The head bolt is bad.
     
    TheBrit likes this.
  14. Jun 19, 2023 at 5:54 PM
    #44
    TheBrit

    TheBrit Wrinkly member

    Joined:
    Apr 16, 2022
    Member:
    #77262
    Messages:
    614
    Gender:
    Male
    First Name:
    Mark
    Vehicle:
    2013 Double Cab Tundra 2WD stuckinthemud

    Yeah, I hadn't meant for my post to turn it into a microscopic analysis of a fubared bolt.
     
    Mr Badwrench[QUOTED] likes this.
  15. Jun 19, 2023 at 6:36 PM
    #45
    Casper421

    Casper421 Toyota RidgeTrac driver!

    Joined:
    Jul 12, 2017
    Member:
    #8530
    Messages:
    4,129
    Gender:
    Male
    First Name:
    Chris
    In the woods
    Vehicle:
    06 DC
    Thank god you’re here to clear that up! I haven’t been able to sleep or eat since OP mentioned it.
     
    shifty` and bmf4069 like this.
  16. Jun 19, 2023 at 6:46 PM
    #46
    2mchfun

    2mchfun Cool story, but did your new TTV6 tow a shuttle?

    Joined:
    Dec 31, 2020
    Member:
    #56879
    Messages:
    6,438
    Gender:
    Male
    First Name:
    Dan
    Vehicle:
    2021 White 4x4 CM Trail Ed. 2018 White 4x4 4Runner SR5 Premium
    Seat covers, dash mat, ext. Trans. Cooler, sumo springs, oem pwr fld tow mirrors
    It's generally a good idea to replace all head bolts when you remove the heads for any work. Also make sure there isn't any coolant in the block bolt holes, otherwise you might have more bolt issues.
     

Products Discussed in

To Top