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Squealing from engine bay - coasting and under load (intermittent)

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  • #16
    Sounds like it's not an isolated issue...
    Last edited by lordsword; 21-12-2017, 09:49 PM.

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    • #17
      Update to this - but I will put it in the DPF and White Smoke entry... but my squealing has gone (fingers crossed)

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      • #18
        Dammit. Spoke to soon. After the DPF replacement, it ran sweetly and without a whistling/ squealing/ bearing sound for around 1500km's. This was a far cry from the every 70km's (almost like clockwork in the same place coming home from work) that I was getting. However, I have only just today heard the sound back again - not as bad, but it's how it started last time. All the same sounds, and it's getting worse again. I give it another 6 months or so for Toyota to fix (the local Toyota are aware of two others with similar complaints) else it's on the market. This really is annoying and so far I have spent more on warranty on this car than any other one I have owned (yet I turned to this brand because it was meant to be one of if not the best for long-term reliability).

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        • #19
          @ Retro or @ Lordword - have you found any solution to this yet?

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          • #20
            Update on this - finally went for a drive and the head mechanic at my local heard it in spades. The squealing, the two distinct different pitches in sound it makes - the whole lot. He's taken some notes and computer shots and is going to send it off to Toyota tech. Hopefully something in the new year with respect to finding a solution.

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            • #21
              Originally posted by CamJam View Post
              Update on this - finally went for a drive and the head mechanic at my local heard it in spades. The squealing, the two distinct different pitches in sound it makes - the whole lot. He's taken some notes and computer shots and is going to send it off to Toyota tech. Hopefully something in the new year with respect to finding a solution.
              I have had the same issue for over 12 months now. Squealing after about 40 mins driving. It seems related to suspension as it comes in and out over slight bumps in the road.

              Mechanic thought it was Brakes /bearings...changed bearings and disappeared for about a month and then came back. Frustrating to say the least. Thought it may have been CVs nad it appears to be two distinct squeals.

              Anyone find a fix?


              2012 GX D4D

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              • #22
                Just an update on this, in case it helps someone problem shoot the thing.

                Toyota have had it the past two days. They have stripped the driveshaft off looking for the squeal (checking all seals and lubrication), the DPF came off again (seals checked, blockages checked), turbo was looked at (that broken blade on another thread - looked for that), 5th Injector and anything else they could think of - and the squeal remains. They took 4 mechanics as well as the service manager all for seperate drives to try and ascertain what was going on.

                Tomorrow it goes into Berrima Diesel for its regular service. I'll see what they say (last time I took it there it refused to squeal on me!). I can only hope!

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                • #23
                  My 2015 gxl 2.8 auto is at its worst between 80 and 100 at light throttle settings .no help from Toyota they said it's torque converter lock up in 5th and 6th gear but when it still made the noise in 4th the Toyota mech simply decided not to acknowledge it . If Toyota Japan hasn't put out a Bulletin about a issue then they pretend it doesn't exist ! It's most likely pinion in front diff in my opinion because when the front prop shaft slip joint is pressurised with grease so the shaft expands and puts pressure on the front diff flange the noise is dramatically reduced to the point I can live with it .the Toyota mech removed the grease nipple to release the pressure on the front shaft and the noise is now back twice as bad yet he still can only say it's the torque converter isue so he doesn't jeopardise his job .I'll be pumping grease back in it tomorrow . PS I reported this noise to Toyota and have been complaining about it since early 2016 . The prick at the service counter told me I was probably hearing wind noise from the roof rails the very first time I mentioned it . Amazing wind noise can go away and come back when I slightly load and unload the drive train 😩. I would be interested if anyone with a manual 2.8 gd is experiencing this annoying noise .

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