1. Welcome to Tacoma World!

    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 Tacoma discussion topics
    • Communicate privately with other Tacoma owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

Newish Trucks - low resevoir tank? Leaking rad cap?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Janster, Aug 15, 2009.

  1. Aug 15, 2009 at 7:33 AM
    #1
    Janster

    Janster [OP] Old & Forgetful

    Joined:
    Mar 25, 2007
    Member:
    #1138
    Messages:
    14,253
    Gender:
    Female
    First Name:
    Jandy
    Lancaster, PA
    Vehicle:
    2016 GMC Canyon SLT w/ LineX and....
    I've got an 07 with 19K miles on it.

    Just curious if anyone has experienced their radiator caps leaking?

    I periodically get under the hood (aside from oil changes) and check things. I've noticed residue around and underneath the radiator cap for a while. Took note of it....and went on with life. Now, my resevoir tank is 1" below the empty line.

    This isn't a big deal, but for a truck that's only 2 years old.....it really shouldn't happen. Just curious to know if anyone else has seen this or not?

    I'm taking the truck in to the dealer Monday to have the front bumper resprayed (paint is bubbling up from a previous paint repair) and I'm gonna request they top off my tank along with changing the radiator cap. The radiator cap is cheap and I don't care even if they charge me for it. If they charge me for it and it fails again, then I will be somewhat pissed.
     
  2. Aug 15, 2009 at 7:41 AM
    #2
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

    Joined:
    May 1, 2007
    Member:
    #1475
    Messages:
    26,258
    Gender:
    Male
    First Name:
    Will
    York,South Carolina
    Vehicle:
    '16 Tundra TRD Pro
    getting there....
    my 06 did it a little bit........i looked at it as normal evaporation over time.......not much on the radiator cap tho. i'd add to the full line every few months as needed.....never really had any probs with it.
     
  3. Aug 15, 2009 at 8:01 AM
    #3
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

    Joined:
    May 8, 2008
    Member:
    #6497
    Messages:
    106,121
    Gender:
    Male
    First Name:
    FlimFlubberJAM
    Tenoe, AZ
    Vehicle:
    2013 Rubicon Unlimited,
    4.10 gears, sliders, and lots of buttons.
    Same here, Janster. Maybe I'll let the dealer look into mine too.
     
  4. Aug 15, 2009 at 8:14 AM
    #4
    Janster

    Janster [OP] Old & Forgetful

    Joined:
    Mar 25, 2007
    Member:
    #1138
    Messages:
    14,253
    Gender:
    Female
    First Name:
    Jandy
    Lancaster, PA
    Vehicle:
    2016 GMC Canyon SLT w/ LineX and....
    Thanks guys!
    Looks like this is pretty normal.

    I can understand a little loss of fluid - and why I wasn't all that concerned about it until it went below the empty mark. It's been hot & I've been using the A/C more lately.

    Hopefully a new cap will help keep the fluids in there.

    If changing the radiator cap every few years is part of maintenance, I'm cool with that. It's the 'other' things that worry me.... especially with warrantee ends in March.
     
  5. Aug 15, 2009 at 10:16 AM
    #5
    Niknaq

    Niknaq Phightin Phils 2008 Champs

    Joined:
    Jul 7, 2009
    Member:
    #19373
    Messages:
    332
    Gender:
    Male
    First Name:
    Nick
    FLA
    Vehicle:
    2009 4wd 2.7L Regular Cab
    Dumped exhaust, 35 % factory tint, kobalt slim line toolbox, afe pro dry, toyota all weather mats, fog lights soon.
    my 09 is doing that with only 1300 miles on it.
    Do they sell better caps?
     
  6. Aug 15, 2009 at 11:07 AM
    #6
    Janster

    Janster [OP] Old & Forgetful

    Joined:
    Mar 25, 2007
    Member:
    #1138
    Messages:
    14,253
    Gender:
    Female
    First Name:
    Jandy
    Lancaster, PA
    Vehicle:
    2016 GMC Canyon SLT w/ LineX and....
    Not sure.... been looking around trying to find info about radiator caps (although they seem rather pointless, they are VERY important). There are pressure testers that test the systems and the caps themselves. Makes me wonder if Toyota would do that or not?

    Here's a neat site....good read.
    http://newcarbuyingguide.com/index.php/news/main/2524/event=view

    Caps come in various pressure ratings also - and I'm sure if you got the wrong ones, it could mess things up.
     
  7. Aug 15, 2009 at 11:19 AM
    #7
    SC4333

    SC4333 Well-Known Member

    Joined:
    Dec 9, 2008
    Member:
    #11412
    Messages:
    2,190
    Gender:
    Male
    First Name:
    Grant
    San Antonio, TX
    Vehicle:
    2016 TRD Off-Road 4x4 DCSB - Super White
    SOLD!
    Mine has leaked since it was brand new. I wrote this off because I regularly park on about a 35% incline. On the other hand, I have not had to fill it back up since the leak occurred. Apparently the cap leaked a little when it was at the full mark, went down to just above the add mark, and I've left it there ever since.
     
  8. Aug 15, 2009 at 1:45 PM
    #8
    Simon's Mom

    Simon's Mom Wag More Bark Less

    Joined:
    Apr 12, 2007
    Member:
    #1297
    Messages:
    9,320
    Gender:
    Female
    First Name:
    Judy or Jude :)
    SBurl Vermont
    Vehicle:
    13 TRD OR DC MGM
    Stock for now
    mine loses fluid too.
    Let us know what you find out!
     
  9. Aug 15, 2009 at 2:21 PM
    #9
    Incognito

    Incognito μολὼν λαβέ

    Joined:
    May 25, 2009
    Member:
    #17626
    Messages:
    13,625
    Gender:
    Male
    First Name:
    Colton
    VA
    Vehicle:
    2012 Pyrite AC TRD OR
    See Build thread
    I have noticed this also, but never really thought much about it.
     
  10. Aug 19, 2009 at 1:01 PM
    #10
    Janster

    Janster [OP] Old & Forgetful

    Joined:
    Mar 25, 2007
    Member:
    #1138
    Messages:
    14,253
    Gender:
    Female
    First Name:
    Jandy
    Lancaster, PA
    Vehicle:
    2016 GMC Canyon SLT w/ LineX and....
    I don't have the truck back yet... I called for an update.
    They also saw the residue near the cap and agreed to have the cap replaced and go from there. They topped off the tank also.

    This normally isn't a big deal for me - just recently the level dropped farther than I'd ever seen it drop and the truck smelled like coolant after shutting it off.

    If you guys are still under warranttee and you're loosing fluid often - I'd have it looked at by the dealer. They can perform a pressure test to find out where its leaking. And if you're not under warrantee....Pressure checks aren't all that expensive either. A local radiator shop near my house charges $24 for pressure test. We were gonna have my mother-in-laws Grand Cherokee done but we didn't need it...found the radiator was leaking. That was just this past Sunday.
     
To Top