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Belt tensioner replacement DIY

Discussion in '3rd Gen. Tacomas (2016+)' started by gsingh, Jul 26, 2020.

  1. Jul 26, 2020 at 3:36 PM
    #1
    gsingh

    gsingh [OP] Active Member

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    2016 Toyota Tacoma TRD Sport
    2016 Tacoma Sport 4x4 3.5.

    Here are the tools I used.
    IMG_6554.jpg

    I had a rattle for a while. Every time I turned lock to lock or had the ac on. Finally traced it down to the belt tensioner. Didn't see a DIY, so I figured id make one.

    Disconnected the battery and moved it out of the way. Turned tensioner in counter close wise and put a pin in it to lock it.

    IMG_6539.jpg


    IMG_6532.jpg


    Need to remove two 14 mm bolts from front of tensioner and one from the side. Side one goes through the ac compressor and is a nut on a stud. HIGHLY RECOMMEND HAVING A E TORX AT THIS POINT. Makes taking the stud out much easier.

    IMG_6542.jpg

    I didn't have any at the house so i ended up removing the alternator. Took me about 3-4 hours to do this with out a lift and middle of the day. Hopefully this helps out.

    Removed the alt and double nutted the stud, so I could take it off.
    IMG_6543 (1).jpg

    IMG_6544.jpg

    There are 2 bolts in front of the alternator 1 long and 1 short. There is also a thing bolt from behind. very difficult to see, I took it off by feeling and it was a PITA.
    IMG_6535.jpg

    Aftermarket belt if any one needs it.
    IMG_6529.jpg

    Torque specs and Belt diagram
    IMG_6545.jpg IMG_6547.jpg

    Here is the final product. I also replaced the upper pulley as it had a lot of play in it and the bearing was noisy.
    IMG_6556.jpg

    Any suggestions and/or tips and tricks, please share on here.

    IMG_6534.jpg
     
  2. Jul 26, 2020 at 3:43 PM
    #2
    Danno 1948

    Danno 1948 Well-Known Member

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    Ocala,Fl.
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    2016 TRD OFF ROAD,1992 TOYOTA 4 WD , 1965 f-100 4WD
    little bit of everything
    how many miles were on your truck when you did this,
     
  3. Jul 27, 2020 at 3:46 AM
    #3
    gsingh

    gsingh [OP] Active Member

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    Around 115-122k.
     
    3r3Taco and b3itz like this.
  4. Jul 27, 2020 at 4:53 AM
    #4
    jmauvais

    jmauvais Received 2 votes in a poll one time.

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    ...stuff
    Good write up
     
  5. Jul 27, 2020 at 5:08 AM
    #5
    STrooper

    STrooper For HIS glory!

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    Great job OP and thanks for sharing the diy!!!:thumbsup:
     
  6. Jul 27, 2020 at 5:29 AM
    #6
    Danno 1948

    Danno 1948 Well-Known Member

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    little bit of everything
  7. Nov 5, 2020 at 8:20 AM
    #7
    basshole

    basshole Well-Known Member

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    I would like to add some info to this thread since not many belt threads pop up.

    The belt number the OP referenced is to long. I'm not saying his diagnosis on the belt tensioner was wrong, but it's possible the tensioner was maxing out/rattling. Proper part numbers listed below

    Bando 7PK2120

    Gates cross reference: 070834

    I would take a Bando belt over Gates any day. I think they are better quality and nearly half the price or lower given the application.
     
    tonered likes this.
  8. Nov 6, 2020 at 6:13 AM
    #8
    twitchhero

    twitchhero ___YOU BOYS LIKE___ MEX-I-CO???

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    See Profile for a full list of Modifications: -Window Tint -Tacoma Door Sill Protectors -AFE intake (noisemaker) -Tacoma tailgate inserts -Mobtown offroad "No drill" Bolt-on rock sliders. -Clazzio (black leather seat covers) -All-Pro Hi-Lift bed rail mount /w Hi-Lift -Rear Diff breather relocated -H11 headlight LED's -Polyurethane front body mounts -Timbren active off-road bump stops (front) -Timbren active off-road bump stops with U bolt flip kit (rear) -ToyTec AAL single. -Total Chaos Upper Control Arms -Total Chaos Fabrication bed stiffeners -King Coilovers with adjusters (front) -King Shock with adjusters (rear) -Window Deflectors (AVS) -TRD Pro Grille -Dashtop Single Mount -Falken WildPeak AT3 tires (285x75 R16) -GATOR floor mats -Cup holder hero mats -Tacoma tweeter upgrade -Sequential turn signals -Garmin mini front dash cam -JLT oil catch can -Softtopper (black)
    I trust this post because you have a significant amount of snap-on tools.
     
  9. Nov 12, 2020 at 4:42 AM
    #9
    gsingh

    gsingh [OP] Active Member

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    All for work man.
     
    twitchhero likes this.

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