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QSUD 5W-30 Noisy #5449135 06/08/20 03:59 PM
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JerryBob Offline OP
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Changed the Mobil1 EP 5W-30 with QSUD on my 2015 Tacoma V-6, and the engine is noisier, and there is a valve tapping on the driver's side. This was after a 2 hour trip in the engine.

Should I ignore it, or switch back to EP? The QSUD was cheap enough to where it won't kill me to drain it out.

Re: QSUD 5W-30 Noisy [Re: JerryBob] #5449140 06/08/20 04:07 PM
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ScottyB Offline
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possibly a dumb question here, but oil's all topped off and not running low?

i had the opposite experience with the 1GR 4.0 V6 in my '19 4runner. currently running QSUD, and it runs extremely quiet. i know you guys have an atkinson cycle V6 that's quite different from ours though.

Last edited by ScottyB; 06/08/20 04:07 PM.
Re: QSUD 5W-30 Noisy [Re: JerryBob] #5449150 06/08/20 04:34 PM
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OilUzer Offline
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Maybe your car likes a real (closer to real I should say) syn oil better grin2

I wouldn't change the oil now but next time go back to what you and your car like.

Re: QSUD 5W-30 Noisy [Re: JerryBob] #5449162 06/08/20 05:20 PM
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walterjay Offline
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That's unusual. I have found QSUD to be quieter in all of my engines. If the oil level is good, I would just leave it be until the next oil change.

Re: QSUD 5W-30 Noisy [Re: JerryBob] #5449164 06/08/20 05:25 PM
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CKN Offline
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I run the 0/20w in my Silverado and it runs fine.

Threads like these are very hard to believe.

Re: QSUD 5W-30 Noisy [Re: ScottyB] #5449167 06/08/20 05:27 PM
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JerryBob Offline OP
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Originally Posted by walterjay
That's unusual. I have found QSUD to be quieter in all of my engines. If the oil level is good, I would just leave it be until the next oil change.


It's definitely quieter in our 2002 Honda minivan.
Originally Posted by ScottyB
possibly a dumb question here, but oil's all topped off and not running low?

i had the opposite experience with the 1GR 4.0 V6 in my '19 4runner. currently running QSUD, and it runs extremely quiet. i know you guys have an atkinson cycle V6 that's quite different from ours though.


Yes, I changed it one week ago with 5.5 quarts.

Re: QSUD 5W-30 Noisy [Re: JerryBob] #5449171 06/08/20 05:33 PM
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mrsilv04 Offline
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Did the filter get changed? If so, is it the brand of filter you usually use?

When I've had a noisy engine issue after an oil change, it's been the filter.


2004 Silverado - on its 3rd Jasper engine in less than one year.
Re: QSUD 5W-30 Noisy [Re: CKN] #5449190 06/08/20 06:08 PM
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bbhero Online Content
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Originally Posted by CKN
I run the 0/20w in my Silverado and it runs fine.

Threads like these are very hard to believe.



You would be surprised that different oils can cause a large change in audible noises from an engine. Perfect example my lady's 98 Camry... Had Super S and Cam2 5w30 synthetic blend oils in there.. it was noticeably loud when I first put in that car... Next run put in Federated Auto parts synthetic blend aka Warren Distribution oil in there and when I started the car... Rather loud for a half second like it had been... The way, way quieter.. The same oil filter was left on from the previous run. It was quite a difference. You would have had to have been Helen Keller not to notice the very noticeable difference in how much quieter the Federated Auto parts oil was vs the others that were in there before.


Nissan Altima 3.5 Coupe
Royal Purple 10w30 Carquest red 84356
"Treat your family like your friends and treat your friends like your family."
Re: QSUD 5W-30 Noisy [Re: JerryBob] #5449193 06/08/20 06:16 PM
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BAJA_05 Offline
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I find QSUD to be super quiet "anytime" I have used it.


2017 VW Jetta SE TSI 1.4L Turbo (hers)
PP Euro 0W40 & FU (48K)
2008 Acura TL 3.2L PPHM 0W20 & FU (117K)
2005 Subaru Baja AWD 2.5L N/A 5spd.
T6 MV 5W30 & FU (103K)
2000 Ram 4X4 5.2L (93K) T6 MV 5W30 & FU
Re: QSUD 5W-30 Noisy [Re: JerryBob] #5449216 06/08/20 06:56 PM
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danez_yoda Offline
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did you shake the bottles an even or odd number of times before pouring it in?

left had or right hand?


there is a proper way to use QSUD that make it quiet, smile

Re: QSUD 5W-30 Noisy [Re: mrsilv04] #5449222 06/08/20 07:08 PM
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PimTac Offline
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Go over all your steps to make sure everything was secured properly. Engine cover and hood support rod for example.


2017 Mazda CX5
Mobil 1 Annual Protection 0w20
Roki OEM filter.
Re: QSUD 5W-30 Noisy [Re: walterjay] #5449230 06/08/20 07:18 PM
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Char Baby Offline
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Originally Posted by walterjay
That's unusual. I have found QSUD to be quieter in all of my engines. If the oil level is good, I would just leave it be until the next oil change.


Same here. It's the Mobil 1 that was always noisy in my engines.


Retired 6 yrs now & lovin' it
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic 1.8 LX
Re: QSUD 5W-30 Noisy [Re: JerryBob] #5449242 06/08/20 07:43 PM
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tblt44 Offline
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Qsud is usually more quite than M1


2003 Avalanche Z71 5.3
2006 Tahoe 5.3
1989 Yamaha moto 4 250
2004 Key Largo w/70 Yamaha 2 stroke
Re: QSUD 5W-30 Noisy [Re: JerryBob] #5449247 06/08/20 07:46 PM
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aquariuscsm Offline
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This is the first post I've ever read where QSUD was noisy. It's one of those "legendary quiet" oils. I wonder if a sudden change in add pack chemistry caused the ticking? Maybe your engine was "used to" the M1 chemistry? It'll probably quiet right back up after it's been in your engine for awhile. This is just a hunch,so I may be completely wrong.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum High Mileage 10W30

Re: QSUD 5W-30 Noisy [Re: JerryBob] #5449252 06/08/20 07:50 PM
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The old "my engine is noisier on oil B vs oil A" conversation is nothing but an irresovable bs-fest.

You know what they say about opinions.... everybody has one....

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