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Loud clunk noise

Discussion in 'Ford Raptor Problems and Questions Forum' started by RAPTOR818, Jul 24, 2019.

  1. RAPTOR818

    RAPTOR818 Member

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    Waz up , I have a 2018 Raptor Anybody having issues with a loud noise when stoping or accelerating at low speed ,it sounds like there something in my bed and it kind of slams into the back of the bed wall, usually when I finish pumping gas it happends its been doing this for months, today I decided to post my issues, because coming to a stop at a light it did the same thing bu this time it sounded like a tire exploded so I was like wow I got a flat tire or something my son was in the booster seat he even got scared . I stopped looked under the truck and nothing ,no lights came on or anything weird. If anybody's been having that issue let me know please.

    IMG_20180830_131826_359.jpg
     
  2. SD64

    SD64 Member

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    My 2019 sometimes makes a loud clunk while slowing down at low speeds. Was told by the dealer it is a characteristic of the 10-speed transmission. Usually under 4th gear and always low speeds while slowing to a stop from under 30 mph. Very noticeable with the windows down but I can not replicate it for the service dept unless they take the truck and drive it for a week because it’s that intermittent. I’ve just stopped driving around with my windows down haha.
     
  3. RAPTOR818

    RAPTOR818 Member

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    Yeah I kow u take it to the dealer and it doesn't do it wack lol.. ok thank you man have a nice day.
     
  4. evoke35

    evoke35 Member

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    Is it the exhaust back firing?



    Sent from my iPhone using Tapatalk
     
  5. Mike P

    Mike P Member

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    I have the same issue with SD64 . and it is so annoying .
    is that normal?
     
  6. RAPTOR818

    RAPTOR818 Member

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    I guess so I've read about it it has something to do with the gas it's like a back fire it doesn't do it all the time.but I've noticed it when I put gas and I only fill it up a little bit over half tank ‍♂️ , weird and u know how that goes at the dealer if u telling what's going on ,how the hell you explain that shit to them . Other than that my camphasers have gone out twice already just so u know ‍♂️SMH
     
  7. HotLap

    HotLap Full Access Member

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    Older post I realize, but anyone find the definitive cause of this clunking? On several occasions I've heard the same clunking from the rear (sounds like something is rolling around in the bed). Always when going slow and slowing down for a stop sign/light. Has only happened 3 or 5 times on my 2018 with 10500 miles...could it be the driveshaft splines need greasing like the days of old? My 2005 F-150 SCREW clunked from the drivetrain and it turned out the driveshaft splines needed greasing....
     
  8. Grizzly

    Grizzly Member

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    My 2019 does this, too. No idea what it is.
     
  9. Marc Mazza

    Marc Mazza Member

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    Sorry to hear..From what I have been reading, it sounds like some 10 speeds are doing what the 8 speeds are doing, it even looks like a class action started for the 10 speeds also. I know first hand about the 8 speed. It happens at random times right? If you make a gradual slow down to a stop it really doesn't happen. If you make a slight abrupt stop it happens right? That's what happens to my 8 speed. Here are the class actions. Is your's doing what it states? Remember GM and ford worked together on building the 10 speed.

    https://www.classaction.org/gm-8-speed-transmission-defect-lawsuits

    https://www.classaction.org/news/cl...ion-prone-to-shifting-harshly-and-erratically
     
  10. Refugio

    Refugio Full Access Member

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    Could be that the slip-yolk on yhe drive shaft needs greasing.
    My f-250 used to fo that when it went dry on grease
     

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