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Low RPM and oil circulation #5457050 06/18/20 03:22 PM
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mahanddeem Offline OP
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Hello,
In both my Maximas 09(94k miles) and 11(96k miles), transmission is programmed to run the most efficient (lowest RPM possible) for the speed, I seldom see my tachometer get to 2.5K RPM, with most of the time between 1.5k and 2K, unless driving uphill. Even at highway speeds of 70mph, RPM sits at like 2.1K. And to be honest I am nervous to give it more gas for higher torque since the CVT in these cars is the weakest point.
I was thinking, would that (at least on the long run) cause oil slugging, low flow and accumulation of carbon deposit? and would that concern for less than ideal lubrication and oil flow for the engine?
I use PUP5w30 (5w30 API SM or SN is user manual recommendation) and Nissan filters every 5k miles in both vehicles. Both are well maintained cars.

Last edited by mahanddeem; 06/18/20 03:24 PM.

2009 Nissan Maxima
2011 Nissan Maxima
2004 Honda Odyssey
Re: Low RPM and oil circulation [Re: mahanddeem] #5457054 06/18/20 03:26 PM
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ka9mnx Offline
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1.5 to 2k rpm is not low rpm.


2005 Ranger 3.0 - SuperTech Syn 0w-20/Motorcraft
2000 4Runner 3.4 - SuperTech Syn 5w-30/Toyota
1997 B2500 Van 3.9 - M1 HM 10w-30/Mopar
1993 F150 4.9 - SuperTech Syn 5w-30/Motorcraft
Re: Low RPM and oil circulation [Re: mahanddeem] #5457071 06/18/20 03:41 PM
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OilUzer Offline
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Do you have an OD on/off switch or something like S4 or D4?

Re: Low RPM and oil circulation [Re: OilUzer] #5457076 06/18/20 03:43 PM
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mahanddeem Offline OP
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Originally Posted by OilUzer
Do you have an OD on/off switch or something like S4 or D4?


No overdrive on/off switch, but it has manual mode which allows driver to manually "shift gears" or technically choose ratios on the CVT.


2009 Nissan Maxima
2011 Nissan Maxima
2004 Honda Odyssey
Re: Low RPM and oil circulation [Re: mahanddeem] #5457123 06/18/20 04:56 PM
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Rand Offline
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no its called normal driving.. and that is what the car was engineered for.


2019 Jeep Cherokee Trailhawk 2.0T
2020 Hyundai Elantra "Value Edition"
Re: Low RPM and oil circulation [Re: mahanddeem] #5457131 06/18/20 05:18 PM
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Quattro Pete Offline
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Nothing to worry about, IMO.


2002 530i   2015 Q5 3.0T   2018 Charger SRT
Re: Low RPM and oil circulation [Re: mahanddeem] #5457139 06/18/20 05:33 PM
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Gene K Offline
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Obviously never drove an F150 3.5EB 10R80 with it's 1050 rpm minimum cruise rpm.


Gene

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ST Synthetic 10W30 / FL500S

2018 F150 4x4 3.5 EB
OEM Oil & Filter

2018 Lincoln MKX 3.7
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Re: Low RPM and oil circulation [Re: mahanddeem] #5457164 06/18/20 06:01 PM
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CT8 Offline
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Why would the operation cause sludging?


2015 F150 2.7
2018 F350 6.2
Re: Low RPM and oil circulation [Re: mahanddeem] #5457176 06/18/20 06:12 PM
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CR94 Online Content
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Ha-ha!


2011 Toyota Prius now at 111K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
Re: Low RPM and oil circulation [Re: mahanddeem] #5457178 06/18/20 06:14 PM
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OilReport99 Online Content
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CAT 3606

Maximum Power 2481 HP
Maximum Torque 13424 lb-ft @ 820 rpm
Rated Speed 750-1000 rpm
Minimum Power 1998 HP


2018 Ram 1500 - VME 5W-20
Re: Low RPM and oil circulation [Re: mahanddeem] #5457182 06/18/20 06:25 PM
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ammolab Offline
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If only he knew what RPM a recent Corvette spins @ 70 MPH! ......


1998 Jeep Cherokee
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2005 Kaw Ninja 250
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Re: Low RPM and oil circulation [Re: mahanddeem] #5457186 06/18/20 06:31 PM
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LubricatusObsess Offline
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Do these engines have GDI & Turbos? If yes, you'll want an oil formulated with additives to reduce LSPI. I think that means low calcium?

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/5452256/1

Re: Low RPM and oil circulation [Re: mahanddeem] #5457211 06/18/20 06:59 PM
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bbhero Offline
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What's funny to me is how you don't want to rev the rpm up hardly at all... I hit 5,000 rpm almost daily in my Nissan Altima VQ CVT equipped car. Did it earlier this afternoon in fact LOL

With now 310,000 plus miles on it too. . Got the car with 39,990 miles on it.. So plenty of high rpm runs this car has endured quite well.

My car runs at 2,500 rpm at 80 mph... It does have more rpm vs a rental 2015 Nissan Altima I had several years ago. That trifling car ran at 1200-1400 rpm at 74 mph... That's low rpm for 74+ mph in my opinion.

Last edited by bbhero; 06/18/20 07:00 PM.

Nissan Altima 3.5 Coupe
Royal Purple 10w30 Carquest red 84356
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Re: Low RPM and oil circulation [Re: bbhero] #5457221 06/18/20 07:25 PM
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mahanddeem Offline OP
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Originally Posted by bbhero
What's funny to me is how you don't want to rev the rpm up hardly at all... I hit 5,000 rpm almost daily in my Nissan Altima VQ CVT equipped car. Did it earlier this afternoon in fact LOL

With now 310,000 plus miles on it too. . Got the car with 39,990 miles on it.. So plenty of high rpm runs this car has endured quite well.

My car runs at 2,500 rpm at 80 mph... It does have more rpm vs a rental 2015 Nissan Altima I had several years ago. That trifling car ran at 1200-1400 rpm at 74 mph... That's low rpm for 74+ mph in my opinion.


Interesting brother, what year is your 3.5 Altima? You have the original CVT? What's your cvt fluid change intervals? External cooler?

Last edited by mahanddeem; 06/18/20 07:25 PM.

2009 Nissan Maxima
2011 Nissan Maxima
2004 Honda Odyssey
Re: Low RPM and oil circulation [Re: mahanddeem] #5457227 06/18/20 07:33 PM
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demarpaint Offline
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My 3.6L Wrangler with a 5 speed automatic and 4.10 gears normally runs in the 2,000-2,750 rpm range. I'm pretty sure the oil is circulating real nice in it. wink


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