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Air Fresheners causing door lock actuator failure?

Discussion in 'General Tundra Discussion' started by csuviper, Mar 11, 2016.

  1. Mar 11, 2016 at 10:21 AM
    #1
    csuviper

    csuviper [OP] Moderator Staff Member

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    Posted on Facebook by Geoffrey B.

    "TSA (Tundra Service Announcement).
    So there has been a few cases here at the dealership where we have been getting numerous Toyota models with multiple door lock actuator (the motor that unlocks and locks your doors) failures within one vehicle over a very short amount of time of each other.

    We've been diagnosing these and we have not been finding any cause for failure. The actuators just simply stop working for no apparent reason.

    We began to call the Toyota Tech hotline (technical assistance for technicians) because we were stumped. The engineers specifically asked us "we've seen this before. Does the customers vehicle have the clip in air fresheners that stick inside the vent?" I was skeptical as to why they asked that. But I still checked and found three clip in air fresheners and a 10 pack in the glove box.
    I tell the engineers and they said
    "ok, that's your root cause of failure."

    Me; "really? How would and air freshener cause an electrical motor to fail?"

    Engineer: "specifically clip in air fresheners yield a large amount of the chemical Silicone within them. Silicone is a very powerful electrical insulator (creates very resistance in electrical connections). The vapors from the fresheners get inside the door panels over time and coat the electrical connections with silicone causing the motor to fail."

    So I'm understanding what this guy is laying down but I was still hesitant to fully believe him. I discussed this with my fellow technicians and we have been noticing a trend with door lock actuator failure and these air fresheners.

    I just got a 2012 Avalon with 76,000 miles on it and it has 3 failed door lock actuators with no root cause for failure. But guess what I found in the air vents? These bad boys. This is the third vehicle I've had that had multiple door lock actuator failures and I inspected and found these air fresheners.

    I'm not saying don't buy these. But a door lock actuator replacement at the dealer is over $300.00 per door lock actuator.

    Just giving ya'll a heads up."


    Let the discussion begin....
     
  2. Mar 11, 2016 at 10:26 AM
    #2
    csuviper

    csuviper [OP] Moderator Staff Member

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    "Just so you guys know. We aren't being informed to void an electrical warranty for this issue. We your truck is still under warranty we will be replacing these for free. The engineers are just implying that these door lock actuators seem to be highly susceptible to failure due to a silicone coating on the electrical connections. And there may be a relation to these air fresheners. I'm sure they are working on how to update these parts so this doesn't happen."
     
  3. Mar 11, 2016 at 10:56 AM
    #3
    robie56

    robie56 New Member

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    Didnt see that one coming! I never would have guessed air freshener as a root cause for electrical failures. Gonna go out and remove the 1 in my truck right now! Thanks
     
  4. Mar 11, 2016 at 11:04 AM
    #4
    RowdyRon

    RowdyRon Not too old to play

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    Deck rail system, Bed divider, door sill protectors, LED reverse light bars, Aries Bull Bar with 28" 180 watt LED light bar, LED step lights, LED bed lights, driver-side grab handle, TRD Rear Sway Bar, BedRug bed mat and tailgate mat, Morimoto Fog Lights, more to come.....
    Son-of-a-gun. Who would have thunk it?
     
  5. Mar 11, 2016 at 11:23 AM
    #5
    Mike

    Mike Tread lightly.

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    Ok let me get this straight.

    The actuator is not Sealed ( or vapors can't get into the actuator) and it's in a moist location and some how it's getting thru the vapor barrier in the door which is not Sealed mind you in that part of the door where the actuator rests.

    Ok if this is the case then ecms ( not Sealed) and door control modules( not Sealed) would fail first to do the close proximity from the air fresher to component failure along with radio failure (CD mechanical failure reading or loading)

    I get what the engineer is saying he is correct. Closer things to the fresher should be failing first. Theory anyway. But it doesn't rule out a bad design either. If this was the case ford, GM and everyone else would be posting about this also. Just saying.
     
  6. Mar 11, 2016 at 11:42 AM
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    Sean266

    Sean266 #ThinBlueLine Staff Member

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    Odd, but ok.
     
  7. Mar 11, 2016 at 12:18 PM
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    TruckyTruck

    TruckyTruck New Member

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    April fools!!!! Oh wait... Still March.
     
  8. Mar 11, 2016 at 12:30 PM
    #8
    LOTSOFTOYS

    LOTSOFTOYS New Member

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    Where did u get this info Brian? @csuviper
     
  9. Mar 11, 2016 at 12:45 PM
    #9
    csuviper

    csuviper [OP] Moderator Staff Member

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    Someone posted on TundraCrew.
     
  10. Mar 11, 2016 at 12:54 PM
    #10
    chphilo

    chphilo New Member

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    I don't get it. If the insulating silicone coating is from the outside, why would that hinder conduction of the wire? Moreover, how is that related to the motor failure?

    If what they claimed were the case, I would think the front actuators would fail more frequently than the rear ones. Is that actually the case? (I don't have the info, but nothing seems to indicate that's the case).

    I've been using these bad boys for years now without an issue. Do I have a special truck?
     
  11. Mar 11, 2016 at 12:57 PM
    #11
    alalmcgrath

    alalmcgrath New Member

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    The ecm (and probably door module) do no have switches or possibly brushes that make and break contacts. The contacts get coated and can't make a connection.
     
  12. Mar 11, 2016 at 1:37 PM
    #12
    Mike

    Mike Tread lightly.

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    You have door switches and dash switches that make a break contacts that are in more proximity to the source they are not affected? I smell bad design somewhere. Just saying.
     
  13. Mar 11, 2016 at 5:51 PM
    #13
    Wynnded

    Wynnded Wait, what?

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    Not to mention that if this were legit, the entire interior of the vehicle would have a silicone film. Steering wheel, windows, gauges, you. Then, as mentioned, the contacts in the headlamp switch, turn signal, wipers....

    Need more evidence.
     
  14. Mar 11, 2016 at 6:55 PM
    #14
    LOTSOFTOYS

    LOTSOFTOYS New Member

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    I'm definitely not convinced... seeing part was made in Mexico tells me alot:)
     
  15. Mar 11, 2016 at 9:01 PM
    #15
    Nor7

    Nor7 Chilton Manual Guy

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    Can you provide a pic of the fresheners or brand or name? I'm assuming you're talking about the long ones that stick way inside the vent? I have a Glad freshener that clips to the vent but I doubt is causing an issue.
     
  16. Mar 11, 2016 at 10:53 PM
    #16
    csuviper

    csuviper [OP] Moderator Staff Member

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    I have no idea. Just found the post on Facebook and thought it would be a good topic to debate.
     
  17. Mar 12, 2016 at 8:44 AM
    #17
    RowdyRon

    RowdyRon Not too old to play

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    This may be the "culprit". Clips onto your vent. Not sure I buy into the issue but I did remove mine.....

    IMG_2995.jpg IMG_2996.jpg
     
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