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

Radiator fiasco

Discussion in '3rd Gen Tundras (2022+)' started by 389 24/7, Apr 14, 2024.

  1. Apr 14, 2024 at 7:18 PM
    #1
    389 24/7

    389 24/7 [OP] New Member

    Joined:
    Oct 31, 2023
    Member:
    #106248
    Messages:
    67
    Gender:
    Male
    Vehicle:
    2022 TRD OR
    Kinda regretting touching my truck fluids today....
    I did both diffs, transfer case, serpentine belt & air filters with no issue

    Lastly I decided to do the radiator
    Purged it at the radiator & found a 2nd valve near the oil filter
    Around 2 gallons came out
    I refilled with 1.75 gallons
    Fired up the truck & waited 15 mins for it to burp (with fill cap off)
    No burp
    Went in the cab & found the temp gauge at 3/4 ways up
    Also no hot air from heater

    Wtf!
    Any thoughts or help would be great!
    Worst case it's going to the dealer
    Bummed
     
  2. Apr 14, 2024 at 8:43 PM
    #2
    389 24/7

    389 24/7 [OP] New Member

    Joined:
    Oct 31, 2023
    Member:
    #106248
    Messages:
    67
    Gender:
    Male
    Vehicle:
    2022 TRD OR
    I talked with my auto mechanic buddy
    He said it sounds like I have a air pocket in the system in the vicinity of the thermostat &/or water pump.....any thoughts?
    Any suggestions on removing the air bubble?
     
    tyr0981 likes this.
  3. Apr 14, 2024 at 11:30 PM
    #3
    blenton

    blenton New Member

    Joined:
    Jul 15, 2022
    Member:
    #80740
    Messages:
    1,685
    Park it on an incline, nose up, to try and work the air bubble up to the rad cap. Sometimes it's as simple as lifting the nose with a jack for a minute and running the motor. I've had the same issue with a few vehicles over the years and that has almost always worked (maybe once I can remember it not working perfectly).
     
  4. Apr 15, 2024 at 3:55 AM
    #4
    TundraMcGov.

    TundraMcGov. Your friend. Your foe. Not yo Ho.

    Joined:
    Nov 23, 2018
    Member:
    #22089
    Messages:
    2,174
    Gender:
    Male
    First Name:
    Jofus
    Burpinham, Babalama
    Vehicle:
    2017 Super White DC 4X4 Tundra
  5. Apr 15, 2024 at 5:17 AM
    #5
    koditten

    koditten New Member

    Joined:
    Apr 6, 2018
    Member:
    #14241
    Messages:
    1,389
    Gender:
    Male
    I always leave the cap on them when things start to warm, I squeeze the radiator hose.

    Recheck and top off level, repeat if necessary.
     
    389 24/7[OP] likes this.
  6. Apr 15, 2024 at 5:33 AM
    #6
    TakiEvo

    TakiEvo New Member

    Joined:
    Dec 28, 2021
    Member:
    #72363
    Messages:
    607
    Gender:
    Male
    Allentown, PA
    Vehicle:
    2022 SR5 TRD Sport Crewmax White
    Did you fill it through the radiator? If you only filled it through the reserve tank, there’s air trapped in the system. You got to fill it through plug on radiator and bleed as much air as you can by squeezing hoses. Toyota calls it a drain cock. It has a non reusable o-ring. Believe it’s either a 3/8” or 1/2” ratchet head to remove.
    upload_2024-4-15_8-28-4.png

    The 3rd gen tundra radiator technically doesn’t have a radiator cap. #4 is the drain cock.

    upload_2024-4-15_8-33-14.png

    Seems like you’re changing all fluids in your truck. Just a heads up, the coolant system for the engine and intercooler are 2 different system. The intercooler system is 4.6 qts. The engine coolant system is 13.1 qts.
     
    Last edited: Apr 15, 2024
  7. Apr 15, 2024 at 6:57 AM
    #7
    BoulderGT3

    BoulderGT3 New Member

    Joined:
    Apr 13, 2023
    Member:
    #95419
    Messages:
    737
    Gender:
    Male
    First Name:
    Glen
    Vehicle:
    2023 1794 4X4 BP/Saddle ADV Steps
    Great post. Thank you.
     
    ryanwgregg likes this.
  8. Apr 16, 2024 at 4:43 AM
    #8
    389 24/7

    389 24/7 [OP] New Member

    Joined:
    Oct 31, 2023
    Member:
    #106248
    Messages:
    67
    Gender:
    Male
    Vehicle:
    2022 TRD OR
    Much ado about nothing
    Easily burped the radiator system with removal of the plastic radiator cap

    Thanks to all yall for assisting

    Totally confused why toyota didn't just use a traditional rad cap....would have saved me from a day of confusion
     
    Mattedfred likes this.
  9. Apr 16, 2024 at 4:44 AM
    #9
    389 24/7

    389 24/7 [OP] New Member

    Joined:
    Oct 31, 2023
    Member:
    #106248
    Messages:
    67
    Gender:
    Male
    Vehicle:
    2022 TRD OR
    Thanks yo!
    This info really helped
     
    Tundrastruck91 likes this.

Products Discussed in

To Top