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Removing bumper with TSS

Discussion in '5th Gen 4Runners (2010+)' started by Rabid Raccoon, Jan 5, 2020.

  1. Jan 5, 2020 at 4:58 AM
    #1
    Rabid Raccoon

    Rabid Raccoon [OP] New Member

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    Molle Style Storage Panels and Pet Barrier 5100's all around (front set to .85) LED replacements from Diode Dynamics Some sweet decals AJT design key fob
    Has anyone run into any issues when removing the bumper on a 2020? I'm considering the C4 Fab low profile bumper (w/o the bull bar for obvious reasons), but started to wonder if there was a possibility of problems when it came to removing the front impact sensor.
     
  2. Jan 5, 2020 at 9:00 AM
    #2
    SCMountaineer

    SCMountaineer New Member

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    Subscribing because I am thinking of adding the valances from the Pro or TRD off road to my new one, but curious how much bigger a deal it is to remove the bumper with the radar crap in there.
     
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  3. Jan 5, 2020 at 9:16 AM
    #3
    Drababan

    Drababan New Member

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    There are already videos on youtube. You just disconnect the wiring harness to remove the bumper.
     
  4. Jan 5, 2020 at 10:48 AM
    #4
    SCMountaineer

    SCMountaineer New Member

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    Thanks man, Ill check em out!
     
  5. Jan 5, 2020 at 10:51 AM
    #5
    Drababan

    Drababan New Member

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    https://www.youtube.com/watch?v=tapQ1ojIvJ0 He is removing the bumper from a 2020 TRD Pro to install Morimoto XB lights. 1030 mark is where he shows the connector.
     
  6. Jan 5, 2020 at 2:55 PM
    #6
    Rabid Raccoon

    Rabid Raccoon [OP] New Member

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    Great, that's all I need lol. My luck, I'll unplug the damn thing and something won't work right when I go to re connect it.
     
  7. Jan 5, 2020 at 3:00 PM
    #7
    ForRun

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    Disconnect the negative battery terminal before you unplug it. Probably not needed but when in doubt, play it safe
     
  8. Jan 5, 2020 at 3:00 PM
    #8
    Rabid Raccoon

    Rabid Raccoon [OP] New Member

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    Molle Style Storage Panels and Pet Barrier 5100's all around (front set to .85) LED replacements from Diode Dynamics Some sweet decals AJT design key fob
    Agreed!
     
  9. Jan 9, 2020 at 9:55 AM
    #9
    MrBruns

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    I too will be going with the C4 lo pro. I would like the full height bull bar if possible. So I ran some tests. Strapped a 3" pool noodle to the front approximately where said bull bar would sit. No issues with the DRCC sensor on all sensitively levels. I'm pretty sure I'll be ok but I'll still wait to hear from C4. I'll try and post pics of my........science.

    20191130_093650.jpg
     
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  10. Jan 9, 2020 at 12:29 PM
    #10
    Matze

    Matze Fremdsprachler

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    are you positive that you’ll get the same result with steel instead of foam?
     
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  11. Jan 9, 2020 at 12:52 PM
    #11
    Firefly21

    Firefly21 New Member

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    It looks like he tin foiled it to replicate the nonporous steel
     
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  12. Jan 9, 2020 at 1:14 PM
    #12
    KSJ08

    KSJ08 New Member

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    Aluminum vs Steel??
     
  13. Jan 9, 2020 at 1:16 PM
    #13
    MrBruns

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    When I sent my findings to C4 they also said it would need some sort of metal. Only thing I could think of was this besides getting way deep in mounting a pipe some how suspended in the front. As I was posting this I received this new information. Crazy, I must have checked C4s website 3 times a week for a few months waiting for this news.

    Screenshot_20200109-121150_Chrome.jpg
     
    Last edited: Jan 9, 2020
  14. Jan 9, 2020 at 2:43 PM
    #14
    Matze

    Matze Fremdsprachler

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    don’t get me wrong I like the bar on the bumper too but I doubt that your test proofed that it will work. But maybe C4 is willing to help you, maybe they agree to send you one with the bar to test it and in case it doesn’t work you can trade it for one without!? Or you order a blank one with and in case it doesn’t work you grind them off and paint then afterwards...
    Anyway, for clear results you need a steel bar with the right diameter in exact height and distance - the devil hides in the detail!
     
  15. Jan 9, 2020 at 6:04 PM
    #15
    celaw309

    celaw309 New Member

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    C4 recently posted on their instagram testing the 2020 bumper with the bullbar and they stated there were no issues with TSS. They did mention to not drop the sensor as it will damage it and they're expensive!
     
  16. Jan 9, 2020 at 7:48 PM
    #16
    Matze

    Matze Fremdsprachler

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    That’s great, I guess Toyota did a good job on the radar system, I remember the first s-class with radar, even a big bug on the radar screen could cause failure
     
  17. Jan 10, 2020 at 6:12 AM
    #17
    Drababan

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    I dunno about the other Toyota models but the huge sensor on the 4Runner fails in rain and snow. It doesn't have to be raining hard either. It's a big flat area on a big flat grill, water splashes on it and you get the warning the system is offline.
     
  18. Jan 10, 2020 at 6:30 AM
    #18
    MrBruns

    MrBruns New Member

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    This is true. It turned itself off on a dry day when I was wheeling. Thought maybe it was because I put it in low and unsymmetrical..... disproportionate..... wait.. not level. But it only happened the once though. After a restart it didn't do it again on the same terrain. I don't use it much anyway but you are correct, it is finicky.
     
  19. Jan 13, 2020 at 8:56 AM
    #19
    celaw309

    celaw309 New Member

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    I can't speak to other Toyota models but it seems to be a common thing with most radar equipped vehicles. My other half drives a 2018 Volkswagen Tiguan and it often goes offline in rain and snow or if it gets too dirty. It's really obnoxious as you can't use the cruise control at all, unlike my 4runner where you can disable it and use normal cruise.
     
  20. Jan 13, 2020 at 9:05 AM
    #20
    oldtimer

    oldtimer New Member

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    yep, TSS is integrated with cruise control.....disable the TSS and no cruise control....there might be a work around, but beyond my skill level.
     
  21. Jan 13, 2020 at 9:08 AM
    #21
    celaw309

    celaw309 New Member

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    With the cruise control off, hold the button down for about second and a half and it will go to regular cruise.
     
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  22. Jan 13, 2020 at 9:09 AM
    #22
    oldtimer

    oldtimer New Member

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    Thanks for that!!!
     
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  23. Jan 15, 2020 at 9:48 AM
    #23
    Ak1m0to

    Ak1m0to New Member

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    You unplug the sensor under the hood release and two clips that the wire harness is attached to the hood release assembly.
    Then there are two 10mm bolts holding the sensor to the body below that.
     

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