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Air pump filter mod?

Discussion in '5th Gen 4Runners (2010+)' started by WallyT4R, Sep 12, 2018.

  1. Sep 12, 2018 at 4:51 AM
    #1
    WallyT4R

    WallyT4R [OP] New Member

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    Has anyone heard of this? I apologize if this has been addressed here. I tried to search for it but did not find anything on it. I just discovered it and it seems to be an issue on the Tacomas. Supposedly the filter inside the air pump will eventually break down and get sucked into the pump and emission valve causing thousands of dollars of damage. Here is a sample video (many out there)

    https://www.youtube.com/watch?v=XO5d4MqZu5I

    So this is a legit issue on the Tacomas. I have not heard of this on the 4runners but that air pump on the truck is the same air pump on the 4. I ordered the filter. It's only for prevention but it can't hurt and it's cheap, so I'm doing it. Here is a part number for the filter. There are other part number examples in the description of the video posted above.

    https://www.amazon.com/dp/B003CJOTSA/ref=as_li_ss_tl?ref=exp_tacomaholic_lv_dp_vv_d
     
  2. Sep 12, 2018 at 1:54 PM
    #2
    j cat

    j cat New Member

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    yes this is on other toyota forums on old trucks with this air pump... the foam is set directly over the pump input..

    the use of this air filter does not sit directly over the input port so debris will get sucked in around the plastic cap.. no gasket or seal the foam has marks on it that seals the intake port.
    I would put some sealer around that cap so no air can get passed the mod filter.
     
  3. Sep 26, 2018 at 5:39 AM
    #3
    RingSteel

    RingSteel Smooth trigger finger and she'll not let you down

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    Texas Eagle-Ford Shale area dodging crazy truckers
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    Weather Tech visors and floor mats
    So does our 4rnr have this pump also?
    I'm getting ready to perform major PM on wife 4rnr and would like to know if this is also part of our trucks.
    Nope, have not spent a lot of time under the hood. Been busy on the homestead so rooting around under the hood as part of a hobby has not part of how my time was spent.
    Thanks for any information yah'll may provide.
    plus does it look like the taco unit?
     
  4. Sep 26, 2018 at 12:55 PM
    #4
    Witzkeguy

    Witzkeguy New Member

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    AB5D61BF-CFBD-43F0-96C4-EFA7F5A2A46A.jpg Just took this pic of my 2018 4Runners engine bay. Yep, we have the same filter. Sits between the air filter and the windshield washer fluid fill port.
     
  5. Sep 27, 2018 at 7:36 AM
    #5
    RingSteel

    RingSteel Smooth trigger finger and she'll not let you down

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    just found it last night...thanks....the parts lady at the dealer could not find it on here system. Did inspect the foam and it is in good shape.
    No heat cycling decay and very little debris.
    Brushed it down and flipped it so the previous unused portion is no on the intake side.
    waiting on PCV grommet to replace both items. Cool temps finally time for detailed maintenance....
     
  6. Sep 28, 2018 at 5:31 AM
    #6
    j cat

    j cat New Member

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    I would not flip the air filter so the dirty side is on the intake of the pump.. just like flipping the air filter for the engine ..

    washing the filter with some gentile soap would be good .. it is foam ..
     
    Pushyguy and SlvrSlug like this.
  7. Sep 30, 2018 at 3:40 PM
    #7
    RingSteel

    RingSteel Smooth trigger finger and she'll not let you down

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    Thanks took care of it...
     
  8. Oct 7, 2018 at 10:19 AM
    #8
    MeanDean

    MeanDean New Member

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    Anyone else doing this? Seems like cheap insurance.
     
  9. Oct 9, 2018 at 1:48 PM
    #9
    4runnah808

    4runnah808 New Member

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    Is it recommended when installing the uni filter can i remove the foam filter too?
     
  10. Oct 10, 2018 at 1:32 PM
    #10
    elnip

    elnip New Member

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