Please help!! Loud whine/knock?

Sicotic · 10-08-2021, 09:39 AM

I’m almost certain it’s not rod knock as the sound is coming from but I would say is the VVEL module, sounds like something in there is banging around maybe the lever arm that’s inside there?

Sicotic · 10-08-2021, 02:45 PM

Had it towed to the dealer, don’t want to mess anything up, oil pressure never seen it up 265, and always ran within the normal limits. I’ll update once the stealership tells me.

redondoaveb · 10-08-2021, 03:01 PM

Quote:

Originally Posted by Sicotic

Had it towed to the dealer, don’t want to mess anything up, oil pressure never seen it up 265, and always ran within the normal limits. I’ll update once the stealership tells me.

That's oil temp, we were talking about oil pressure

Sicotic · 10-08-2021, 08:33 PM

Towed to the dealer will give updatez

ZoomZ · 10-09-2021, 08:27 PM

https://www.z1motorsports.com/cylind...er-p-9764.html

Sicotic · 10-12-2021, 05:29 PM

Rod bearing is diagnosis, will never buy Nissan again after this haha. I guess corvette is in my future once I swap the engine and sale this thing. 57k miles and blown engine is just terrible. Never drove it hard, maintain as scheduled, just unreal. Bye VQ; hello LS

ZoomZ · 10-12-2021, 07:37 PM

Quote:

Originally Posted by Sicotic

Rod bearing is diagnosis, will never buy Nissan again after this haha. I guess corvette is in my future once I swap the engine and sale this thing. 57k miles and blown engine is just terrible. Never drove it hard, maintain as scheduled, just unreal. Bye VQ; hello LS

You did say you are second owner.

You did say an old man owned it before you, so who's to say he didn't run it dry just one time? Did you check his maintenance records?

Sicotic · 10-12-2021, 08:02 PM

Quote:

Originally Posted by ZoomZ

You did say you are second owner.

You did say an old man owned it before you, so who's to say he didn't run it dry just one time? Did you check his maintenance records?

Yep, I bought from a dealership owner, they specialize in Nissan and Datsun restorations car fax shows maintenance as required so I continued it. Only put 5000 miles on it. Just sucks, loved the car, other than that it’s in immaculate condition inside and out. Just as you would see on showroom floor.

Fortunately I can work on cars have experience with engine swaps and builds. This was the only car I wanted to leave stock and not touch a thing to prevent this exact situation 😂 so can anyone direct me to a thread of ins and outs of engine removal and installation? Anything I should know before buying a used engine? Thanks for input, you guys are awesome!

redondoaveb · 10-12-2021, 08:13 PM

I still think gallery gasket failure and it caused low oil pressure. You should do like Rusty mentioned and put an oil pressure gauge on it if you want to try to find out what caused the failure

DrBacon · 10-12-2021, 08:44 PM

Quote:

Originally Posted by redondoaveb

I still think gallery gasket failure and it caused low oil pressure. You should do like Rusty mentioned and put an oil pressure gauge on it if you want to try to find out what caused the failure

Yeah that's really the only failure point on the engines, either that or it started to burn oil and was unknowingly ran low.

Sicotic · 10-13-2021, 08:20 AM

The noise seems to be on top back of engine, where we traced it. I dropped oil pan and no shavings or metal even with a magnet. Oil was clean as well. Don’t see any visible damage. I’ll have to look into the gallery gaskets

Spooler · 10-13-2021, 08:33 AM

Pull the front cover off and look at the galley gaskets. You will see the paper gasket pushed out. You can also pull the valve cover and see if you find anything there. I would do all that before I snatched the motor out.

Spooler · 10-13-2021, 08:35 AM

You could also take both bottom oil pans off and spin in some new rod bearings if needed.

Sicotic · 10-13-2021, 01:29 PM

So motor might be alright after all? I’ll pop those off and I’ll see if I see anything thanks guys for all your help

Rusty · 10-13-2021, 02:27 PM

Pull the front cover off and look at the gaskets. Then drop the oil pan and look at the bearings. If the gaskets are just leaking. You may get lucky and just change the bearings. If the gaskets are blown out. You might have bigger issues.

10-12-2021, 08:13 PM	#9 (permalink)
redondoaveb A True Z Fanatic Join Date: Apr 2017 Location: So. Commiefornia Posts: 6,370 Drives: 2014 Nismo Gunmetal Rep Power: 2684375	I still think gallery gasket failure and it caused low oil pressure. You should do like Rusty mentioned and put an oil pressure gauge on it if you want to try to find out what caused the failure Rusty, Optimiser and Zingston like this. __________________ Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo 700+whp

10-13-2021, 08:33 AM	#12 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,983 Drives: 2013 Nismo 370z Rep Power: 2684392	Pull the front cover off and look at the galley gaskets. You will see the paper gasket pushed out. You can also pull the valve cover and see if you find anything there. I would do all that before I snatched the motor out. JARblue and Rusty like this.

10-13-2021, 08:35 AM	#13 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,983 Drives: 2013 Nismo 370z Rep Power: 2684392	You could also take both bottom oil pans off and spin in some new rod bearings if needed. Rusty likes this.

10-13-2021, 02:27 PM	#15 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 69 Posts: 35,368 Drives: 2011 Nismo GM 6M Rep Power: 2684438	Pull the front cover off and look at the gaskets. Then drop the oil pan and look at the bearings. If the gaskets are just leaking. You may get lucky and just change the bearings. If the gaskets are blown out. You might have bigger issues. JARblue and Sicotic like this. __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

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10-08-2021, 09:39 AM	#1 (permalink)
Sicotic Base Member Join Date: Sep 2020 Location: Westerville, Ohio Posts: 23 Drives: 09 Nissan 370 CY M6 Rep Power: 5	I’m almost certain it’s not rod knock as the sound is coming from but I would say is the VVEL module, sounds like something in there is banging around maybe the lever arm that’s inside there?

10-08-2021, 02:45 PM	#2 (permalink)
Sicotic Base Member Join Date: Sep 2020 Location: Westerville, Ohio Posts: 23 Drives: 09 Nissan 370 CY M6 Rep Power: 5	Had it towed to the dealer, don’t want to mess anything up, oil pressure never seen it up 265, and always ran within the normal limits. I’ll update once the stealership tells me.

10-08-2021, 08:33 PM	#4 (permalink)
Sicotic Base Member Join Date: Sep 2020 Location: Westerville, Ohio Posts: 23 Drives: 09 Nissan 370 CY M6 Rep Power: 5	Towed to the dealer will give updatez

10-09-2021, 08:27 PM	#5 (permalink)
ZoomZ Track Member Join Date: Jan 2017 Location: Vancouver, BC Posts: 781 Drives: 17' 370Z Nismo Rep Power: 40618	https://www.z1motorsports.com/cylind...er-p-9764.html

10-12-2021, 05:29 PM	#6 (permalink)
Sicotic Base Member Join Date: Sep 2020 Location: Westerville, Ohio Posts: 23 Drives: 09 Nissan 370 CY M6 Rep Power: 5	Rod bearing is diagnosis, will never buy Nissan again after this haha. I guess corvette is in my future once I swap the engine and sale this thing. 57k miles and blown engine is just terrible. Never drove it hard, maintain as scheduled, just unreal. Bye VQ; hello LS

10-13-2021, 08:20 AM	#11 (permalink)
Sicotic Base Member Join Date: Sep 2020 Location: Westerville, Ohio Posts: 23 Drives: 09 Nissan 370 CY M6 Rep Power: 5	The noise seems to be on top back of engine, where we traced it. I dropped oil pan and no shavings or metal even with a magnet. Oil was clean as well. Don’t see any visible damage. I’ll have to look into the gallery gaskets

10-13-2021, 01:29 PM	#14 (permalink)
Sicotic Base Member Join Date: Sep 2020 Location: Westerville, Ohio Posts: 23 Drives: 09 Nissan 370 CY M6 Rep Power: 5	So motor might be alright after all? I’ll pop those off and I’ll see if I see anything thanks guys for all your help