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Clicking / Knocking Sound at Idle?

Discussion in '4th Gen 4Runners (2003-2009)' started by WiscoLisco, Jul 21, 2015.

  1. Jul 21, 2015 at 12:09 PM
    #1
    WiscoLisco

    WiscoLisco [OP] New Member

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    Hey guys!

    Just had a question, recently purchased a used 2007 4Runner Sr5 (v6 73k miles) and there's now a clicking sound at idle. It seems to be coming from somewhere in the rear of the engine but I can't pinpoint where or what it is. I took a few video's to see if anyone has any rough idea's of any common problems in the 4th Gen 4Runner? I'm apologizing in advance because I had the phone vertical.

    Thanks!


     
  2. Jul 22, 2015 at 3:19 PM
    #2
    LTDSC

    LTDSC Soccer Dad Extraordinaire

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    this sounds a lot like my AC compressor knocking, is it on during these videos? if so turn it off and see if it continues. I hope its just the AC like mine, would hate for it to be a valve.
     
    Bob likes this.
  3. Jul 22, 2015 at 3:22 PM
    #3
    WiscoLisco

    WiscoLisco [OP] New Member

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    Unfortunately the ac was off so it definitely wasn't that
     
  4. Jul 22, 2015 at 7:05 PM
    #4
    LTDSC

    LTDSC Soccer Dad Extraordinaire

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    How's your oil level?
     
  5. Jul 22, 2015 at 7:23 PM
    #5
    WiscoLisco

    WiscoLisco [OP] New Member

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    It's a little high
     
  6. Jul 23, 2015 at 6:31 AM
    #6
    RonT4R

    RonT4R New Member

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    I'll listen to mine when I get home, does it go away with revving the motor or does the clicking get louder or faster?:notsure:
     
  7. Jul 29, 2015 at 1:33 PM
    #7
    WiscoLisco

    WiscoLisco [OP] New Member

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    It's next to impossible to hear it with any revving, really only noticeable at idle when I'm in my garage.
     
  8. Aug 2, 2015 at 4:40 AM
    #8
    pilotvp

    pilotvp New Member

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    My 2000 4Runner V6 sounds the same and I have 248,000 miles on her.:amen:
     
  9. Nov 2, 2015 at 8:40 PM
    #9
    Bangers Runna

    Bangers Runna New Member

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    Here is my 2007 v6 4runner 11x,xxx miles. Normal 4.0 tick.
     
  10. Nov 2, 2015 at 8:42 PM
    #10
    drunner

    drunner New Member

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    ^ That was going to be my guess without listening to the video. Try upping your octane. As much as everyone says it doesn't matter, in both my Tacoma and my 4runner, the 4.0 ticks a lot less with premium gas.
     
    Bangers Runna likes this.
  11. Nov 2, 2015 at 9:04 PM
    #11
    Bangers Runna

    Bangers Runna New Member

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    Premium gas is what I use also.
     
  12. Nov 22, 2015 at 8:14 PM
    #12
    JMW272

    JMW272 New Member

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    Did premium gas resolve the tick? I have the same noise coming from mine.
     
  13. Jun 30, 2017 at 9:18 AM
    #13
    Proudgator

    Proudgator New Member

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    Was there ever a conclusion as to what the sound was? I recently purchased a 2007 SR5 and noticed the same sound. It's not quite a knock but it's a tick. Seems be in sync with the RPMs and will accelerate when I rev to 1500 or so. Can be heard from inside with air off in Park.
     
  14. Jul 17, 2017 at 4:28 AM
    #14
    larramo

    larramo 3ed gen faithfully

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    3" lift but mostly all stock not a scratch on it it is pristine condition amazing for being 19 years old.
    IF ITS THE VVTI 4 CYLINDER ENGINE REMEDY LOOSEN THE DRIVE BELT TAKE THE NUTS OFF THE TIMING TENSIONER REMOVE THE OLD TENSIONER PUT OIL ON THE NEW TENSIONER PUSH DOWN THE TENSIONER AND LOCK IT INTO THE DOWN POSITION WITH THE LITTLE HOOK ON THE TENSIONER PUT BACK IN THE ENGINE ROTATE THE ENGINE IN REVERSE DIRECTION FROM THE BALANCER THAT WILL SNAP THE NEW TENSIONER INTO POSITION THAT IS IT YOU CAN SEE HOW TO DO IT ON YOUTUBE JUST PUT IN HOW TO CHANGE TIMING TENSIONER ON A 4.0 VVTI ENGINE AND THE NEW TENSIONER IS ONLY $20 SHOULD ONLY TAKE 20 TO 30 MIN LARRY B
     
    Last edited: Jul 17, 2017
  15. Jul 17, 2017 at 6:24 AM
    #15
    larramo

    larramo 3ed gen faithfully

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    3" lift but mostly all stock not a scratch on it it is pristine condition amazing for being 19 years old.
    SOUNDS LIKE YOUR VALVES NEED TO BE ADJUSTED AND WHEN WAS THE LAST TIME YOU HAD YOUR TIMING BELT WAS CHANGED.IF TOUR TIMING BELT IS WORN OUT IT WILL THROW THE TIMING OFF AND CAUSE THE VALVE TIMING TO BE A LITTLE OFF MAKING THE TICKING NOISE.THEY SELL THE TIMING KIT AT O'REILLY'S WITH THE BELT IDLER PULLEYS TENSIONER PULLEY WATER PUMP AND CAM AND CRANK SEALS FOR LIKE $290.00 THEY MUST BE CHANGED EVERY 100.000 MILES THEY ARE DESIGNED TO LAST THAT LONG NOT MUCH MORE THEY GET STRETCHED OUT AND THROW OFF THE TIMING.
     
    Last edited: Jul 17, 2017
  16. Sep 13, 2017 at 12:42 PM
    #16
    TN_TRAIL

    TN_TRAIL New Member

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    oh the list....!
    My guess is injector noise. My old '86 hilux with a 22re did it all the time. The first time I heard it I freaked out thinking it was valve train, or maybe a leaky exhaust gasket. Nope.
     
  17. Oct 21, 2017 at 8:54 AM
    #17
    delmar

    delmar New Member

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    I want to travel and camp and will do Mod's necessary to do this with a 4runner.
    Did you ever find out what the problem is/was?
     

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