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re: How long do you go between oil changes?

Posted on 5/8/19 at 1:49 pm to
Posted by X123F45
Member since Apr 2015
29716 posts
Posted on 5/8/19 at 1:49 pm to
Ic you ever pull the pan on an engine with a fumoto valve you won't run one.

The initial "rush" of dropping the plug pulls a lot of stuff out.

The fumoto doesn't allow that.
Posted by Bedhog
Denham Springs
Member since Apr 2019
3741 posts
Posted on 5/8/19 at 1:59 pm to
quote:

Ic you ever pull the pan on an engine with a fumoto valve you won't run one.

The initial "rush" of dropping the plug pulls a lot of stuff out.

The fumoto doesn't allow that.

i haven't man. I can't see what you're talking about being a big deal anyway.
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43031 posts
Posted on 5/8/19 at 2:02 pm to
Even my lawnmower doesn't burn that much oil
Posted by NYCAuburn
TD Platinum Membership/SECr Sheriff
Member since Feb 2011
57012 posts
Posted on 5/8/19 at 2:20 pm to
quote:

Even my lawnmower doesn't burn that much oil


It's pathetic and they use it quite often to deny claims. A 5qt pan will be down to around 2 or so quarts by 3k, and thats acceptable?

...Because everyone checks their oil levels every 1k miles
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43031 posts
Posted on 5/8/19 at 2:45 pm to
The gauge on my 2004 Silverado says "Oil Level Low" or something like that when it gets 1qt low. If someone runs it down that low, they are an idiot
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5803 posts
Posted on 5/8/19 at 5:48 pm to
quote:

Check out the

Yeah but can that device remove the 6 bolts that are required to remove the skid plate that has to be removed to access the damn oil filter to replace it when draining the oil on my 05 Tundra if it can, I’m all in.
Posted by X123F45
Member since Apr 2015
29716 posts
Posted on 5/8/19 at 5:57 pm to
quote:

everyone checks their oil levels every 1k miles


Check oil at least twice a week.

Ever 280 miles.

It has never been low. And I will never stop checking it
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
71885 posts
Posted on 5/8/19 at 7:32 pm to
I dont know that you can buy a new vehicle that doesnt alarm for low oil pressure
Posted by ctiger69
Member since May 2005
31030 posts
Posted on 5/8/19 at 9:46 pm to
This too.
Posted by Hamma1122
Member since Sep 2016
22202 posts
Posted on 5/9/19 at 5:41 am to
7500 miles mobil 1 synthetic
This post was edited on 5/9/19 at 5:44 am
Posted by Higgysmalls
Ft Lauderdale
Member since Jun 2016
7918 posts
Posted on 5/9/19 at 6:47 am to
Whenever the light come on
Posted by dawg23
Baton Rouge, La
Member since Jul 2011
5066 posts
Posted on 5/9/19 at 8:36 am to
quote:

Do it when the light comes on.
I drive a Nissan Armada. It has a reminder - but the interval is set by the owner/driver.

1. Is it possible I have an oil change light that's based on the actual degradation of the oil (and it just hasn't ever come on) ?

2. I've been under the impression that the limiting factor on oil change interval is the filter (i.e. a filter might clog up before the oil loses its lubricity). Is this even a thing ?
Posted by NYCAuburn
TD Platinum Membership/SECr Sheriff
Member since Feb 2011
57012 posts
Posted on 5/9/19 at 8:39 am to
quote:

- but the interval is set by the owner/driver.


How is it set? percentage, miles, etc? For instance on Fords, its set as a percentage, which is calculated based on usage type
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
71885 posts
Posted on 5/9/19 at 9:02 am to
Without getting too far off into the weeds, Nissan might not have an oil life monitor on that car but that's hard to believe. It might not be going through the display though so you might need a scan gauge or something to read it.

Limiting factor varies. Filters eventually either plug up or start degrading and releasing fibers (and the shite they've caught) into the flow stream. Generally they start degrading long before they plug up. The later is visible as oil pressure dropping and the former is not visible at all.

Just follow the manual and dont worry too much about it. If you want to nerd out on it I'll do it over a beer, but I ain't typing all that shite out

If you Google Cummins service bulletin 3810340, it gets pretty in depth on lube oil and filters. It's for diesel engines but most of the shite carries over.
Posted by NYCAuburn
TD Platinum Membership/SECr Sheriff
Member since Feb 2011
57012 posts
Posted on 5/9/19 at 9:14 am to
quote:

Nissan might not have an oil life monitor on that car but that's hard to believ


After quickly looking they have reminders in their menu to set for different service intervals. You set based on the mileage. it appears the max is 10k for oil, which coincides with their manual max.
This post was edited on 5/9/19 at 9:15 am
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43031 posts
Posted on 5/9/19 at 11:13 am to
My gf's 08 Lexus has pre-programmed intervals for everything, but you can change them. I don't think usage has anything to do with it.

I believe my truck somehow tracks usage, because it will tell me anywhere between 5k and 7k randomly
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
71885 posts
Posted on 5/9/19 at 1:20 pm to
GM has a very very good oil life monitor
Posted by dawg23
Baton Rouge, La
Member since Jul 2011
5066 posts
Posted on 5/9/19 at 3:50 pm to
quote:


Just follow the manual and don't worry too much about it. If you want to nerd out on it I'll do it over a beer, but I ain't typing all that shite out

The manual says change oil & filter every 5000 miles. The techs at the oil change place I use (I know - the monkeys are incompetent, but skid plates ) go crazy when I make them increase their "standard" interval (3500) to 5000 (on the reminder sticker).

I've been tempted to increase the interval to 7-8k, but haven't cause I don't know enough about filter life. (I looked at that service bulletin -- it's way beyond my redneck brain's ability to comprehend.)
Posted by redfieldk717
Alec Box
Member since Oct 2011
28117 posts
Posted on 5/9/19 at 4:20 pm to
Correct. Most vehicles are pre programmed and they sell it as an oil life monitor. I have a brand new Nissan Titan that shows % of oil life left but then has the option to change your drain intervals by mileage so it’s only doing it by miles.

There is no sensor in the vehicle that can accurately determine the oil life left on your oil. None. I don’t think anyone is driving a vehicle that has an oil lab in it testing oxidation, viscosity, particle counts etc.

ETA: they may monitor pressure through the oil filter and base it on when the oil filter needs to be changed. But it can’t tell you about the oil itself.
This post was edited on 5/9/19 at 4:22 pm
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43031 posts
Posted on 5/9/19 at 5:10 pm to
GM oil life monitor
quote:

Oil Life Monitor Calculation Pathways:
1. Engine revolutions- Oil life starts with a fixed number of revolutions and will decrease with each revolution. Cold / hot coolant temp readings have multipliers that reduce engine revolutions pathway quicker depending on how far from the normal oil temperature the vehicle is operating.
Note: If engine coolant temp gets above 260F, engine overheat condition, the oil life will go to 0%.
2. Mileage from last reset – Starting with MY 2013, the OLM is capped at 7500 miles for all GM powertrains except the Volt. In perfect conditions a vehicle would reach 7500 miles from the last reset and the oil life left would be 0%.
3. Time- This pathway is a liner function, a fixed decrease in oil life for a given time after the oil life is reset. The oil life will drop to 0% after 1 year regardless of the amount of engine revolutions or how many miles since the reset.

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