buzz / rattles between certain RPMs during quick acceleration

[strat61caster]

You're lugging the engine in too high of a gear, the car isn't very happy under 1,500 rpm. There is nothing wrong with the car. Keep the car above 2k rpm and you'll never hear that nose again.

Edit: video is engine lugging, your issue must be different since you state you're in the higher rev range, idk, good luck.

[humfrz]

Originally Posted by strat61caster

You're lugging the engine in too high of a gear, the car isn't very happy under 1,500 rpm. There is nothing wrong with the car. Keep the car above 2k rpm and you'll never hear that nose again.

Edit: video is engine lugging, your issue must be different since you state you're in the higher rev range, idk, good luck.

The OP says he has an auto ......


humfrz

[Overdrive]

Well, to be fair (to a point), humfrz, it is possible to still kinda lug the engine even in the auto, but the car does force itself down a gear even if you have it in manual mode once your speed drops below a set minimum for whatever gear, so you can do it, but only a bit and briefly. You'd have to speed up, force the next gear, and then drop speed and try to put your foot down again. Kinda silly to do intentionally, and not possible to sustain for the several seconds shown in the video.

And strat also edited his post once he realized that wasn't the OPs vid, so I'm sure he realized that difference as well.

Edit: also, to the OP, just because they found another car doing the same thing doesn't mean it is a normal thing. Both cars could have similar issues. There are plenty of bushings, fasteners, mounts, and some heat shields they ought to be looking at to see if any are loose or missing. If anyone has worked under that car or removed panels to inspect before selling it used, it's a very real possibility and an easy fix.

[howareyoukk]

Originally Posted by Overdrive

Well, to be fair (to a point), humfrz, it is possible to still kinda lug the engine even in the auto, but the car does force itself down a gear even if you have it in manual mode once your speed drops below a set minimum for whatever gear, so you can do it, but only a bit and briefly. You'd have to speed up, force the next gear, and then drop speed and try to put your foot down again. Kinda silly to do intentionally, and not possible to sustain for the several seconds shown in the video.

And strat also edited his post once he realized that wasn't the OPs vid, so I'm sure he realized that difference as well.

Edit: also, to the OP, just because they found another car doing the same thing doesn't mean it is a normal thing. Both cars could have similar issues. There are plenty of bushings, fasteners, mounts, and some heat shields they ought to be looking at to see if any are loose or missing. If anyone has worked under that car or removed panels to inspect before selling it used, it's a very real possibility and an easy fix.

Hi thanks for the input. Yeah I know there is a possibility that the other car suffers a similar issue or have some other problems; however, considering my car is a used model and it have factory warranty no more, I don't think they will be happy once I tell them " I think the other car is broken as well". Let's see what's gonna happen tomorrow.

[Overdrive]

Well, no need to say anything like that to them, I just feel like before even trying to drive another car to see if it makes similar noises, they could've just checked everything under your car and make sure nothing is loose or unhinged because those are the easiest culprits for vibrations and rattles. If they find something like that, they can fix it for next to nothing and have you in and out quickly instead of all this full-bore troubleshooting that may not be necessary.

[howareyoukk]

UPDATE 3: just got back from test driving the new Toyota 86 with an automatic transmission and it has the same noise during the same rpm range. The tech explained the noise is common as it comes from the engine. Also, on rough surfaces, the new 86 has interior rattles as well. In conclusion, i have sought comfort from the fact that another new 86 has basically a similar characteristic in terms of nosies and I am much happier that there is nothing wrong with my car. I guess I can start enjoying my ride now. It's in red last but not the least, I would like to thank everyone for their attention of either simply viewing or replying to my post. I wish you all have a nice week!

[Overdrive]

Good to know it wasn't an actual problem. Maybe the sound wasn't quite as loud as what was in that video, because that sounded pretty bad. I can't say I've noticed any rattling or vibration in that rev range on my 2016 automatic, and I spend plenty of time there in my daily driving, but if the car isn't showing any bad behavior, just go drive it and enjoy what it does.

Since you picked the car up used, it can't hurt to do some preventative maintenance over the next few months and change out all of the important fluids (oil, trans fluid, brake fluid, power steering fluid, differential fluid) just to be sure you've got fresh fluids in there. Who knows the last time they may have been changed (if at all) before you bought it. In the long run it's cheap insurance against any potential problems and you can confidently throw the car around on some back roads.

[howareyoukk]

Originally Posted by Overdrive

Good to know it wasn't an actual problem. Maybe the sound wasn't quite as loud as what was in that video, because that sounded pretty bad. I can't say I've noticed any rattling or vibration in that rev range on my 2016 automatic, and I spend plenty of time there in my daily driving, but if the car isn't showing any bad behavior, just go drive it and enjoy what it does.

Since you picked the car up used, it can't hurt to do some preventative maintenance over the next few months and change out all of the important fluids (oil, trans fluid, brake fluid, power steering fluid, differential fluid) just to be sure you've got fresh fluids in there. Who knows the last time they may have been changed (if at all) before you bought it. In the long run it's cheap insurance against any potential problems and you can confidently throw the car around on some back roads.

Thanks for the heads up will do !

[Juzzotec]

I knew this wasn't an issue but its great to have piece of mind right

[chaoskaze]

Sometimes problems like this is very quick to resolve by meeting up with a fellow twin owner. 😂 that’s how I solved most of my problems along with helping my friends.


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[highway7]

Originally Posted by Overdrive

Good to know it wasn't an actual problem. Maybe the sound wasn't quite as loud as what was in that video, because that sounded pretty bad. I can't say I've noticed any rattling or vibration in that rev range on my 2016 automatic, and I spend plenty of time there in my daily driving, but if the car isn't showing any bad behavior, just go drive it and enjoy what it does.

Since you picked the car up used, it can't hurt to do some preventative maintenance over the next few months and change out all of the important fluids (oil, trans fluid, brake fluid, power steering fluid, differential fluid) just to be sure you've got fresh fluids in there. Who knows the last time they may have been changed (if at all) before you bought it. In the long run it's cheap insurance against any potential problems and you can confidently throw the car around on some back roads.

Yep, the power steering fluid is known to go bad easily in this car

[Overdrive]

Originally Posted by highway7

Yep, the power steering fluid is known to go bad easily in this car

combination of habit listing maintenance stuff and typing while tired. I'll take my licks.

OP, do be aware that there is no power steering fluid on this car since the car has electronic power steering, so you can remove that from your list.

[howareyoukk]

Originally Posted by Overdrive

combination of habit listing maintenance stuff and typing while tired. I'll take my licks.

OP, do he aware that there is no power steering fluid on this car since the car has electronic power steering, so you can remove that from your list.

I think they do right ? since they are the Toyota dealer and according to my tech he had driven several 86s before. Anyway I will book my car in for a full check up soon before moving to another state in Australia. thanks again

[ermax]

Originally Posted by highway7

Yep, the power steering fluid is known to go bad easily in this car

All my fluid leaked before it left the factory... is that a problem? Hahaha