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Rear door latch malfunction

Discussion in '1st Gen. Tacomas (1995-2004)' started by Bburnsman, Jul 12, 2020.

  1. Jul 12, 2020 at 11:21 AM
    #1
    Bburnsman

    Bburnsman [OP] New Member

    Joined:
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    First Name:
    Robert
    Vehicle:
    2003 V6 Tacoma
    2003 quad cab rear driver door latch. Door opens with handle and locks just fine but once the door is open, more times than not, when you go to close the door it won’t.

    that is, the latch inside the lock mechanism is somehow already closed so when it hits the locking pin in the jamb....it makes a fairly Good thud.

    I can use my finger and lift the latch manually but that’s getting old.

    any fixes short if removal? I’ve tried lubricant, also tried using a cleaner to get rid of the gummy mess from years of lube....doesn’t work.

    thanks.

    15B4956A-E0B6-4AD8-9C02-27F31CA0F035.jpg
    67DA5DCF-27F6-41F8-8A2E-34DD295711A8.jpg
     
  2. Jul 12, 2020 at 4:39 PM
    #2
    Ccrowe323

    Ccrowe323 Well-Known Member

    Joined:
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    Cory
    Florida
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    2001 Tacoma 3.4 DC 5speed TRD OR
    I have this same exact problem on the same exact rear door haha, I haven’t messed with it yet but hopefully someone here has a solution. I barely use the door but when I do that thud reminds me of it every time
     
  3. Jul 12, 2020 at 5:45 PM
    #3
    Seagull233

    Seagull233 Well-Known Member

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    Tom
    Upstate New York
    Vehicle:
    2004 DC 4x4 V6
    BMW seats, OME Suspension, CBI and NWTI plates front and rear, 13,000 winch, LED light bars, Ham Radio, topper with roof rack added, stainless exhaust, 2nd battery, inverter, sound deadener
    I ran into this with a replacement door that I picked up down south. That latch actually has some sort of a hard plastic coating/covering on it. It had gotten worn off, mostly, and kept it from fully retracting up. I don't have a solution, as I had the one from my original door, so I "just" swapped them. "Just" as in removing almost everything on the door, times two!!!
     
  4. Jul 12, 2020 at 8:13 PM
    #4
    gatsir

    gatsir New Member

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    2002 DC 4x4
    Past: 2002 RC 4x4, 2007 AC PreRunner 1st gens are my fav
    Same issue for me...the driver's side rear door latch. I also noticed that a piece of black plastic alongside the latch was binding and preventing the latch from fully retracting. I removed the latch mechanism and lubricated everything well to no avail. Next, I tried to remove the worn plastic that was binding. Upon closer examination it seemed as though the plastic piece was integral to the assembly and not easily removed.

    My remedy was to bite the bullet and order a new OEM latch. I have power locks and was able to order just the latch mechanism and move my original power actuator over to the new latch.

    Toyota part #6930604020

    Problem solved, door latches properly once again.
     
    Last edited: Jul 12, 2020
  5. Jul 14, 2020 at 8:00 PM
    #5
    Bburnsman

    Bburnsman [OP] New Member

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    2003 V6 Tacoma
    I took it apart tonite and it was a bit of a challenge. Once I got it apart the setup
    Made sense.

    I see the plastic part of the latch and mine is worn as well. I spent some time and immersed in solvent to clean it and it uponnreassembly seems to be working better. Not perfect though as the little latch still hangs down some just not enough to prevent closure.

    see how long this lasts.

    thanks guys
     
  6. Jul 14, 2020 at 9:49 PM
    #6
    Akkording

    Akkording Well-Known Member

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    Houston
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    I just WD40 mine when it need it, just works
     
  7. Jul 15, 2020 at 3:49 AM
    #7
    Seagull233

    Seagull233 Well-Known Member

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    BMW seats, OME Suspension, CBI and NWTI plates front and rear, 13,000 winch, LED light bars, Ham Radio, topper with roof rack added, stainless exhaust, 2nd battery, inverter, sound deadener
    PB Blaster makes a spray graphite that works very well for locks, as it is dry, and therefore does not attract dirt and grit like WD40.
     
    nagorb, Ccrowe323 and Akkording like this.
  8. Jul 15, 2020 at 6:52 AM
    #8
    gatsir

    gatsir New Member

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    Past: 2002 RC 4x4, 2007 AC PreRunner 1st gens are my fav
    I used Triflow to clean and lubricate my latch, but as I mentioned the real problem for me was the plastic binding the latch. No lubricant was going to correct this issue. The plastic was worn, deformed, and pulling away from the latch.

    Here's a pic of how the plastic should look when its intact. This is a shot of a left front door latch.

    1.jpg
     
  9. Jul 15, 2020 at 7:14 AM
    #9
    gatsir

    gatsir New Member

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    Vehicle:
    2002 DC 4x4
    Past: 2002 RC 4x4, 2007 AC PreRunner 1st gens are my fav
    I was going to try and use a Dremel to remove the binding portion of plastic, but as I said the plastic is integral to the latch and I didn't have access to remove all that was needed.
     

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