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The infamous passenger side leak.

Discussion in '1st Gen. Tacomas (1995-2004)' started by itslogz, Feb 8, 2016.

  1. May 2, 2021 at 6:36 PM
    #61
    robblacktpre03

    robblacktpre03 03 Tacoma Restore time

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    k&n air filter, throttle body spacer, all pro UCA, 07 gun metal TRD FJ rims, blacked out interior trim
    I used the spray seal and it hasn't worked
     
  2. May 3, 2021 at 10:04 AM
    #62
    crazytacoman

    crazytacoman Well-Known Member

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    same here. Except I’m thinking of trying to just re-route the water that drips down, into a drain hole of some sort. Something like this:

    red-thick caulk bead
    Green- drain hole
    Brown- plastic separator
    Yellow- wires from car

    Not sure how realistic this “solution” is, but I’m hoping someone else on here either agrees or disagrees with how effective it might be. I’d just rather do this than disassemble the fender, and all that other stuff.

    upload_2021-5-3_12-2-17.jpg
     
  3. May 3, 2021 at 10:33 AM
    #63
    mikkydee

    mikkydee My Taco 2007 DCLB 4x4 Man Truck

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    2007 Silver DCLB Tacoma, 4X4, 4.0 Liter, 6" lift, 20" rims, 34" tires
    6" lift, 20 " inch rims, 34" tires, billet grill, aftermarket fender flares, custom rear bumper, DVd player with backup camera, all LED lights
    i have no idea what any of that means
     
  4. May 3, 2021 at 11:08 AM
    #64
    tmross

    tmross Member

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    The caulk beads under the carpet? If you waterproof the underside of the carpet there, thats one way of keeping it from pooling on the floor at least...

    I just called my local Toyota service center and told them about the TSB, he said its a $99 diagnosis fee up front, before the cost of the actual repair... He said it seemed like a hefty job. Weird, seems like this would be a relatively easy thing for a service center to do. Guess its worth DIYing it afterall.
     
    crazytacoman likes this.
  5. May 4, 2021 at 6:23 AM
    #65
    CS_AR

    CS_AR Well-Known Member

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    Everything but the driveshaft. B03A - 410
    I was able to solve the leak back in 2019. Checking after recent thunderstorms and torrential rains it's still holding. Here are some links to the thread where I solved the issue. Read to the end of the thread. One of my issues came from a crimped door seal.

    ttps://www.tacomaworld.com/threads/passenger-floor-board-leak-fix.432290/page-3#post-20374851

    https://www.tacomaworld.com/threads/passenger-floor-board-leak-fix.432290/page-3#post-20395617

    https://www.tacomaworld.com/threads/passenger-floor-board-leak-fix.432290/page-3#post-20463013
     
    Last edited: May 4, 2021
  6. May 4, 2021 at 10:16 AM
    #66
    tmross

    tmross Member

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    I saw that Flex Seal stuff in the store the other day and wondered about it. They offer it in clear too, might look a little less crazy. So theres pretty much no way to avoid taking off the fender then?

    Pretty weird it rained buckets yesterday and I didn't have any leak. It seems to be random. I tested it by running a hose down the windsheild last weekend and was able to see the water streaming down onto the passenger floorboard though.
     
    CS_AR likes this.
  7. May 4, 2021 at 10:23 AM
    #67
    CS_AR

    CS_AR Well-Known Member

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    Everything but the driveshaft. B03A - 410
    I should have tried the clear. The black really got to be messy when I got it on me. It's like spray tar. I don't remember figuring out a way around it without removing the fender. One thing that I might try that has improved with technology is to use one of the new smartphone-driven borescopes. That might allow you to snake the scope camera down into the cowl to see the area where it needs to be sealed. New technology helps.
     
  8. May 4, 2021 at 10:36 AM
    #68
    CrustyTaco

    CrustyTaco Well-Known Member

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    881/5100/Dakars 4R wheels / TBU / New frame
    I've mentioned this before on other floorboard leak threads, but I will add it here as well. The floorboard leak can be one of several things from my reading. It can be the AC condenser drain getting clogged, the cowl seam (fixed by the TSB), a leaky door seal, or it can be a leaky windshield seal. And probably other things I'm forgetting about. It took me months to track down my leak, and for me it was a leaky windshield channel.

    Diagnosing the issue is the tricky part. The "technique" I used was stuffing paper towels in various places before a storm. Stuff a bunch back by the firewall/cowl seam, stuff a bunch around the door, and stuff a few around the A pillar. After the rain passes go and check which paper towels are wet. If those A pillar paper towels are wet you have a windshield leak. The door panel paper towels would lean towards a door seal.
     
    crazytacoman and SwampYota like this.
  9. May 4, 2021 at 12:50 PM
    #69
    SwampYota

    SwampYota Strange things are afoot at the Circle K

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    Floor mats
    My floorboard would get wet all the way back to the access cab section when I had it parked facing uphill. Turned it around facing downhill and reduced the amount of water in the floorboard considerably.

    I know it not the door seal on mine because I ran it through an automatic car wash and watched the blue soap water drip from behind the dash onto my Weathertechs.
     
    Dalandser likes this.

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