S14 SR20DET odd sound. Any help? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

devonkyle77 · 06-15-2009, 04:40 PM

YouTube - MOV01236

I'm trying to determine what this sound is. I don't know if it's rod knock, VTC rattle, a bearing on an accessory, etc. Any insight would be much appreciated.

http://www.youtube.com/watch?v=DVIyJjQD8jk

slider2828 · 06-15-2009, 05:27 PM

Tell people to watch the second movie, cause the first one is a waste of timing.... Sounds like something is loose, check your chain tension and maybe retorque your cam caps...... It might be vtc, but check your cams to see if there is any dry or burnt scours on the cam

devonkyle77 · 06-15-2009, 05:35 PM

i edited it for you so the first one is the helpful one.

what would "scours" look like?

it gets louder the longer the car runs. at startup its almost inaudible.

slider2828 · 06-15-2009, 05:42 PM

Like this is relatively light wear, but some might be grooved or really burnt black:

93nismo · 06-15-2009, 06:13 PM

the first video sounds like my KA. but the second sounds alot worse... sounds like a rod knocking... but id assume it would be louder. maybe its just cuz the mic was close. could be a lifter maybe? does it get faster and louder when u get on it? i really couldent tell from the first 1. ive thrown a rod before tho, so thats my guess... but i dont have an sr.. so maybe im way off

06-15-2009, 04:40 PM	#1
devonkyle77 Post Whore! Join Date: Sep 2003 Location: md Age: 41 Posts: 3,091 Trader Rating: (3) Rides Gallery: devonkyle77 Feedback Score: 3 reviews	S14 SR20DET odd sound. Any help? YouTube - MOV01236 I'm trying to determine what this sound is. I don't know if it's rod knock, VTC rattle, a bearing on an accessory, etc. Any insight would be much appreciated. http://www.youtube.com/watch?v=DVIyJjQD8jk __________________ WTB-NARDI wheel & NRG 2.8 QR Last edited by devonkyle77; 06-15-2009 at 05:34 PM..

06-15-2009, 05:27 PM	#2
slider2828 Post Whore! Join Date: Oct 2004 Location: San Francisco, CA Posts: 6,040 Trader Rating: (13) Feedback Score: 13 reviews	Tell people to watch the second movie, cause the first one is a waste of timing.... Sounds like something is loose, check your chain tension and maybe retorque your cam caps...... It might be vtc, but check your cams to see if there is any dry or burnt scours on the cam __________________ Turn and Burn!

06-15-2009, 05:35 PM	#3
devonkyle77 Post Whore! Join Date: Sep 2003 Location: md Age: 41 Posts: 3,091 Trader Rating: (3) Rides Gallery: devonkyle77 Feedback Score: 3 reviews	i edited it for you so the first one is the helpful one. what would "scours" look like? it gets louder the longer the car runs. at startup its almost inaudible. __________________ WTB-NARDI wheel & NRG 2.8 QR

06-15-2009, 05:42 PM	#4
slider2828 Post Whore! Join Date: Oct 2004 Location: San Francisco, CA Posts: 6,040 Trader Rating: (13) Feedback Score: 13 reviews	Like this is relatively light wear, but some might be grooved or really burnt black: __________________ Turn and Burn!

06-15-2009, 06:13 PM	#5
93nismo Zilvia Addict Join Date: Dec 2008 Location: sycamore il Posts: 766 Trader Rating: (14) Feedback Score: 14 reviews	the first video sounds like my KA. but the second sounds alot worse... sounds like a rod knocking... but id assume it would be louder. maybe its just cuz the mic was close. could be a lifter maybe? does it get faster and louder when u get on it? i really couldent tell from the first 1. ive thrown a rod before tho, so thats my guess... but i dont have an sr.. so maybe im way off