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#4635863 - 01/15/18 03:03 PM 2011 Toyota 5.7L Burning oil
thooks Offline


Registered: 11/30/05
Posts: 833
Loc: Senoia, GA
I have a 2011 Toyota Sequoia with the 5.7L engine, 100k miles. We bought it at 77,000 miles. I will admit not checking the dipstick before I made an offer and handing over the check. Shame on me. I checked it 12 miles down the road when I stopped to fill up. 2 quarts didn't even make a mark on the dipstick. No low oil light was on and I knew it had an 8 quart sump, so I drove it on home. Did an oil change and filled it up with 8 quarts. I noticed that over the first 5k miles we drove it, it burned a quart of oil. I went 10k miles on the oil change, as allowed/recommended by Toyota on these engines. By the time 10k rolled around, it was at least 1 quart low.

The next 10k miles about the same thing.

I am about 3k miles into another oil change and I dumped 2 quarts in it the other day to fill it up.

It passes emissions testing. No smoke out of the tail pipe. No spots on the clean, concrete driveway.

This vehicle does not get driven daily but we seem to be putting 12-14k miles a year on it. No short trips.

I really do not want to get rid of it because I would only look at another newer Sequioa.

Help.


PS-

I have a 2014 Tundra with the 5.7L engine, had it since new. I have 74,000 miles on it.

First oil change was at 5,000 miles. Next was 15,000. Then 10k mile oil changes after that. At 75,000 miles, I'm switching to 5-6,000 mile oil changes, no more 10k mile oil changes. I do not drive it under optimum conditions. I was for the first 65,000 miles, basically 100 miles per day, highway miles.

It seems to consume 1 quart per 5,000 miles also. Again, these are 8 quart sumps, 0w20 Full Syn only. Expensive oil changes but I'm going to 5k on both from now on.

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#4635870 - 01/15/18 03:15 PM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
Rolla07 Offline


Registered: 11/05/11
Posts: 4740
Loc: MTL, CANADA
Have you changed the PCV valves in both trucks? If not, thats step 1. Then I would run at least three 5k mile changes, using the same oil and filter each time and track how much it burns. By the end of the 2nd or 3rd change, you will tell if the PCV valve solved the usage. Regardless, 1 quart per 5k miles is still nothing to worry about. Just add 1 qt and you can go 10k miles per change if you want. It will get a 1 qt additive refresh.
_________________________
2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967


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#4635873 - 01/15/18 03:18 PM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
thooks Offline


Registered: 11/30/05
Posts: 833
Loc: Senoia, GA
I have not. I will get a couple ordered. Thanks.

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#4635877 - 01/15/18 03:23 PM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
supton Online   content


Registered: 11/09/08
Posts: 11987
Loc: NH
1qt per 10k wouldn't bother me, but qt per 1,500 seems excessive. If it's burning oil I'm not sure there is much that can be done, if it's due to engine wear. Any "fix" would cost more than a couple cases of oil.

I do seem to recall that cam towers were an issue, in terms of oil leakage?

I decided to start using 0W30 in mine, as I think the viscosity thing is overblown. Lightly used it doesn't matter one whit, but I sleep better with 0W30. smile I do plan to stick with full syn though, I don't see a reason to go conventional, even though with an 8 quart sump and an oil cooler it shouldn't need syn under non-towing conditions.
_________________________
2011 Toyota Camry, base, 2.5L/6MT, 162k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 143k, ours
1999 Toyota Camry LE, 2.2L/4AT, 183k, his

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#4635969 - 01/15/18 05:13 PM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
digitalSniperX1 Offline


Registered: 04/12/08
Posts: 1052
Loc: FL
This may or may not help but I cured an oil consumption problem in a Saturn L200 4 cyl with 75k miles on it by running Mobil 1 high mileage oil in it. It was consuming 1qt/800 Miles. Engine still running strong today with 170k miles.
_________________________
'18 Honda Accord 2.0t-Mobil 1-EP 0w20
'18 Toyota Highlander-Mobil 1-EP 0w20
'12 Honda NC700X T6
'14 Kawasaki ZX-14R Yamalube 15w50

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#4636064 - 01/15/18 06:46 PM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
fdcg27 Online   content


Registered: 09/25/09
Posts: 15720
Loc: OH
A sudden change from a quart in 5K to a quart in 1.5K usually indicates a PCV problem.
Another possibility is that the rings are stuck or at least coked up, which can be a problem on some engines and using 0W-20 grade oil over the miles doesn't help.
Replace the PCV itself and check all of the tubing for freedom from obstruction.
If this doesn't solve your consumption problem, a dose of Kreen may be in your future.
I'd doubt that a 100K Toyota V-8 is actually worn out.
_________________________
17 Forester 12K MSS 0W-20
12 Accord LX 86K PP 5W-20
09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
96 Accord LX 104K T5 10W-30
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#4636211 - 01/15/18 09:27 PM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
Ram02 Offline


Registered: 05/13/17
Posts: 131
Loc: New York Queens
Up the weight to a 5w30 that may help also
_________________________
2013 Malibu 2LT PG 0w20
2013 Accord Sport PG 0w20

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#4636232 - 01/15/18 10:19 PM Re: 2011 Toyota 5.7L Burning oil [Re: supton]
muddawgs Offline


Registered: 01/14/05
Posts: 203
Loc: midwest
Cam towers.. Check and look close. It can and will leak slowly. This
is common on those 5.7l

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#4636359 - 01/16/18 07:06 AM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
Cujet Offline


Registered: 02/15/03
Posts: 7164
Loc: Jupiter, Florida
There really is no reason to use an uber-thin oil in Georgia. In fact, I will bet you will find better UOA results and lower wear with a higher viscosity synthetic. Here in Florida, I get far better UOA results with 10W-30 and a touch better still with 5W-40 M1, Turbo Diesel Truck.

Interestingly, the million mile van and other high mile vehicles often use 10W-40 oil.
_________________________

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#4636423 - 01/16/18 08:25 AM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
thooks Offline


Registered: 11/30/05
Posts: 833
Loc: Senoia, GA
Thanks for the advice about the cam towers. After reading some on those, I will take a look.

I'm not changing oil viscosity. Sorry, but I doubt any of you are engine manufacturing engineers nor do you perform testing on them. There are many cases coming out where the non-spec'ed viscosity is causing problems in the newer engines. This ain't 1982.

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#4636431 - 01/16/18 08:33 AM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
Driz Offline


Registered: 09/23/07
Posts: 261
Loc: northern NY
Do a compression test to really tell if somethingís shot. Wet and dry test both. Why on earth Are you running 0 weight Oil in Georgia? I donít even use that stuff here in the Tundra Of Newyorkistan. That business is extremely overrated I my opinion but Iím not going to quibble over a hundredth of a MPG.
One glaring trouble in your specific case is this. Sure you caught it but really have absolutely NO IDEA how far the P.O. let it get to , for how long eek. Add to that it makes you wonder what his real reason was 🤥for selling it. Toyotaís arenít the truck people ditch at 100k before they soon blow up. Quite the contrary.
Best is to do as indicated here by others , clean the engine real good. Then watch carefully for leaks. Park in the same place too so you will see drips. Especially watch the Oil plug , oil pan , albe cover areas for leaks. That much h will be obvious. Try switching to 20/50 and see if that helps.
Do that compression test though and look at the plugs as you do it. Toss in a new set of plugs while in there too if OEM. If the comp test shows low due to rings then youíre hosed. Mitigate it by going old school to a straight weight 30 or 20/50 Dino Oil. Itís not the answer but may just keep things quite manageable to let it live out itís life more or less with regular 5k oil changes. Oils is cheap engines are $$$$ period.
If itís really trashed there is a not so awful way out I know of. I used to work freight at Custom and saw a nightly truck load of low mile Oriental engines coming into the US. I checked hundreds of them so itís really true, most with under 50k miles never way up there and [censored] clean lookin. Something about japan making them take them off road at 10 years not being deemed green enough whatever. They are there in quantity being imported daily. More importantly this was all through the dreaded Obama years without letup. These are complete engines with the hoses Clipped and all the goodies intact shrink wrapped on pallets. I canít tell you the retailers but you can find them easily enough. I first heard about this in the early 90 s from the parts guy at Honda so asking your Toyota parts counter is a good place to start. I hope you donít need this option but itís nice to know itís there. Good luck

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#4636490 - 01/16/18 09:39 AM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
thooks Offline


Registered: 11/30/05
Posts: 833
Loc: Senoia, GA
Good grief. This forum used to be full of good knowledge. Now, I'm not so sure. Does anyone really read what someone posts in order to try to really comprehend?

We are talking about a pretty nice vehicle (this is a Platinum trim model). I do not feel like there is major damage to the engine. Based on the throttle response of this thing, I'm pretty sure it does not lack any power; I fully believe this thing could hit 175 MPH easy.

I'm not switching oil viscosity. Please do some research before any of you recommend doing that any longer. That really didn't work in the 60's, 70's and 80's and it does not work now to preserve/revive an engine. I can tell many of you have no clue what goes on under these tremendously sized valve covers. There's not flat tappets under them. These modern engines were designed to run on the 20 weight oils. I know CAFE has been blamed for the thin oils, but after doing some research, the thin oils are allowing the modern engines to do what these engineers have designed for.

No, I'm not gonna search out some 10+ year old piece of [censored] engine that has been shipped over here to remove junk from Japan. I don't have an "Oriental engine". The engine in both of my Toyotas was made in Huntsville, AL.

Thanks...I'll figure it out.

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#4636568 - 01/16/18 10:45 AM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
KrisZ Online   happy


Registered: 12/23/06
Posts: 7473
Loc: Toronto, Canada
Looks like you have it all figured out. Those same engineers say 1qt per 1000 miles oil consumption is normal. Advice give was sound, you can take it or leave it.
_________________________
2015 Dodge Grand Caravan-21k miles.
2006 Mazda 3-155k miles

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#4636572 - 01/16/18 10:50 AM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
Nick1994 Offline


Registered: 02/19/13
Posts: 10129
Loc: Phoenix, AZ
Some people just know everything already. Why post in the first place?
_________________________
2015 Hyundai Sonata 2.4L 79k PU 5w30 & OEM
2000 Toyota Camry 2.2L 228k M1 AFE 0w30 & Wix
1996 Jeep Cherokee 4.0L 146k M1 HM 10w40 & Fram Ultra

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#4636582 - 01/16/18 10:59 AM Re: 2011 Toyota 5.7L Burning oil [Re: thooks]
Crispysea Offline


Registered: 04/14/17
Posts: 403
Loc: TN USA
Have you tried a different brand? Different additives may help. My Ranger was using a quart every 2000 miles or so. I changed the PCV valve, but it didnít help. I had been using Castrol 5W-20, but tried Idemitsu 0W-20. Now it uses less than half the oil.

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