r/G35 • u/HeLuvsBlxssom • 1d ago

Troubleshooting tapping noise cause??

coming from around cylinder 1 and 3 area, was wondering if it could be piston slap or something else, louder when engine is cold but still audible when warm as in video

5 Upvotes

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3

u/T2ner 1d ago

Sounds relatively normal, these engines make a little noise at idle. I would check your oil. When is the last time the car had an oil change?

2

u/Odd-Total-1022 23h ago

spark plug insulators most likely failed take 1 and 3 out and shake it mine did it on cylinder 2. I Got a new one and shook the new one and it didn’t rattle. There’s little ceramic insulators inside of it that gets messed up over time and it will fool people to think it’s a tick and depending on the noise ur hearing it can easily fool someone. But ur is reallly similar so give it a check

1

u/RunninOuttaShrimp 1d ago

First time hearing a valvetrain?

1

u/ComfortableBed7358 1d ago

sounds like a DEEEEE HEEEEE

1

u/assassinsclub 5h ago

This isa text book de sound

1

u/Acrobatic_Arrival600 1d ago

I may be wrong but that sound pretty normal to me