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| Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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02-19-2023, 01:48 PM
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#1 |
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Junior Member
Join Date: Feb 2023
Drives: 2020 toyota 86
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2020 Toyota 86 Engine Knock
Hello!
So I bought a Brand new 2020 Toyota 86 (Automatic). I have 18k miles so far and the engine started to knock The car is with the dealer but they are struggling to diagnose it... First Time I told them about this issue they could not replicate it, so I had to take a video to prove its happening. I left it with them for a full day to try after a cold start (seems like this is when it's mostly happening) and they finally noticed it. but it's not consistent and it goes away after a while... they told me they will reach out to Toyota to see if other people have reported the same problem but according to them, it's hard to diagnose since it's not consistent... I have seen many threads with the same issue (but mostly older models 2013). looks like it might be the Vaccum pump? (best-case scenario). Any idea what's going on? I will keep you updated. Thanks. |
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02-19-2023, 07:12 PM
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#2 |
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Senior Member
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That’s not rod knock. There is an odd noise, hard to tell. Being automatic check vacuum pump on rear of passenger side head.
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"Experience is the hardest kind of teacher. It gives you the test first and the lesson afterward." -Oscar Wilde.
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02-20-2023, 12:49 AM
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#3 |
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Senior Member
Join Date: Mar 2018
Drives: Toyota 86 GT Limited PP (Model G)
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Mine did a similar noise when cold. The v belt was dry. I'm equipped with HKS V Belt and laluminium pulleys and bearings.
Edit: link to video https://files.fm/u/jgstwxmvh It was fixed using a Molykote specific V Belt grease Last edited by gpvecchi; 02-20-2023 at 04:24 PM. |
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02-20-2023, 04:38 PM
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#4 | |
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Join Date: Sep 2014
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| Tags |
| brz, engine, knock, toyota 86 |
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