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Those with 5.3's weigh in #5358247 02/23/20 05:26 PM
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Speak2Mountain Offline OP
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Son's Avalanche is about at 108,000. Still runs well, albeit not very fast. Burns just a tad of oil (1/2 qt ever OCI---7.5K)

The engine is in a 2010 w/Cylinder Deactiv. and 6speed auto.

What issues to look out for as the miles pile up and the engine gets older (not only engine, but tranny too)

Thx

Re: Those with 5.3's weigh in [Re: Speak2Mountain] #5358256 02/23/20 05:43 PM
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Blkstanger Offline
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I see 5.3s run over 200k all the time. That cylinder deactivation might put a damper on that though.


99 Jeep WJ 4.7 200,000mi. Maxlife 10w30, Fram Ultra.
15 Ford Escape S 2.5, 75,000mi. Castrol Edge EP 5w30 Fram Ultra.
Re: Those with 5.3's weigh in [Re: Speak2Mountain] #5358257 02/23/20 05:43 PM
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jfairchild327 Offline
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Best thing you can do for that is talk to someone like Justin at Black bear performance tuning to turn off that stupid cylinder deactivation and to clean up the transmission shifts. Will last forever


2001 F250 7.3 powerstroke
1993 F250 7.3 turbo
1983 F250 6.9 483,000 miles and counting
Re: Those with 5.3's weigh in [Re: Speak2Mountain] #5358263 02/23/20 05:54 PM
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Silverado12 Offline
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Agree with getting a tune to keep it in 8 cylinder mode all the time. The problem is the DOD lifter will get stuck in 4 cyl mode and start clacking. Then the heads have to come off, lifters and cam replaced to non-DOD. Chrysler has this similar setup but I think it's a little better.

Last edited by Silverado12; 02/23/20 05:56 PM.

12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
18 Mustang GT 5.0 auto
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto
Re: Those with 5.3's weigh in [Re: Silverado12] #5358266 02/23/20 05:58 PM
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Speak2Mountain Offline OP
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I did NOT know that. Geez.

Re: Those with 5.3's weigh in [Re: Speak2Mountain] #5358267 02/23/20 05:59 PM
Joined: Feb 2019
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Railrust Offline
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Things to look out for?

Oil consumption and lifter failure.

I have an 2018. Different design with the direct injection. With the newer models torque converter failures is a concern because of the constant shifting in and out of V4 mode.

I have 48,000 on mine, oil consumption is around a half a quart in 5,000 miles, but the thing just shifts all the time. Can’t imagine the transmission lasting past 120,000 miles with the way it feels right now.

I’ve actually seen many 2010’s with a boatload of miles on them, driving up and down the highways without issue. A friend of mine has 200,000 on his 2011, beats it to death. Still going strong.


2018 Chevy Silverado 5.3
2007 Lexus LS460 (deceased)
2008 Honda CRV
(Whatever synthetic oil is on sale or rebate)
Re: Those with 5.3's weigh in [Re: Speak2Mountain] #5358269 02/23/20 06:02 PM
Joined: Jul 2017
Posts: 1,364
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GMguy84 Offline
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I have a 07 burban 5.3 4L60E and bought this last year

Been working GREAT !!

https://www.amazon.com/gp/product/B00BR1R8N8


01 Silverado 1500HD Shell RGT 5W30/XG3675

07 Suburban 1500 Mobil Super Syn 10W30/XG10060

09 Crown Vic Police M1 Truck/SUV 5W20 /POBOSS

82 Trans Am (KITT) M1 10W40HM/XG5
Re: Those with 5.3's weigh in [Re: Speak2Mountain] #5358270 02/23/20 06:07 PM
Joined: Apr 2017
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dogememe Offline
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01 here, so no AFM/DOD. 290k on the original engine. Not sure if tranny is original, might be.


2010 Ford Escape 2.5 ~103K Miles: Castrol Magnatec 5W-20, Wix Filter.
2001 Chevy Suburban 5.3 ~291K Miles: Valvoline Maxlife 10W-30, ACDelco Filter.
Re: Those with 5.3's weigh in [Re: jfairchild327] #5358274 02/23/20 06:14 PM
Joined: Oct 2014
Posts: 5,082
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CKN Offline
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Originally Posted by jfairchild327
Best thing you can do for that is talk to someone like Justin at Black bear performance tuning to turn off that stupid cylinder deactivation and to clean up the transmission shifts. Will last forever


OR-he could go here for less than $200.00-and just turn off the AFM. The transmissions are not bad in these trucks. Soft shifts-maybe, but not bad.

https://www.rangetechnology.com/?gc...SAo2HGtcuGOJGQkgPDmDhmEByUwaAm0qEALw_wcB


I have a 2018 Silverado LTZ.

Re: Those with 5.3's weigh in [Re: Speak2Mountain] #5358304 02/23/20 06:48 PM
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Posts: 637
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Tahoe4Life Offline
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I have 2016 5.3 Tahoe with 80K miles...It has been to Miami-NYC 12 times and will be another 3 times this year. I do both highway and gridlock driving.

Uses zero oil [0w20] in 5K miles. I use either Mobil 1 or AC Delco

Still gets awesome highway mileage using only 87 octane Mobil fuel

I change out the ATF every 40-45K miles..The dealer does it.

Thinking about doing a Black Bear tune

No carbon issues with the Direct Injection


2016 Chevrolet Tahoe LT
Mobil 1 0w20 AFE or EP
AC Delco Filters
Re: Those with 5.3's weigh in [Re: Speak2Mountain] #5358306 02/23/20 06:54 PM
Joined: Oct 2005
Posts: 92
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Exit32 Offline
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Posts: 92
I've got a 2004 Buick Rainier SUV with the LM4 5.3L engine and 4L60E transmission. The LM4 is an aluminum-block engine, and I've got 224K trouble-free miles on it now. Transmission is original and has had fluid and filter changes every 50K miles. I think I'll make it to 300K miles easily with this vehicle.


2020 Explorer 3.0 EcoBoost
2004 Buick Rainier V8
2002 T-Bird
1999 F250 V10
1967 Camaro
1966 Shelby Cobra
1966 Pontiac GTO
1965 Rambler American
1957 T-Bird
Re: Those with 5.3's weigh in [Re: Speak2Mountain] #5358310 02/23/20 07:00 PM
Joined: Jun 2008
Posts: 6,294
ls1mike Offline
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Tuning out DOD does not guarantee you won't have a mechanical failure at some point. Turning if off with Range Technology or tuner does stop it from shifting so often. I just gave away a Range Technology to a Caprice guy.

You many never have a failure, but a delete with everything runs 2000 to 3000 dollars depending on where you go.
It is hit and miss. I see Caprice guys running 150,000 miles on them and 11,000 to 12,000 engine hours on the stock DOD, I have seen others fail before 100,000.
The parts were updated in 2014.

Just pay attention to it, if you develop the lifter tick, park it until you can get it fixed. You may never have a failure.

They are an easy 250,000 to 300,000 mile engine. Lots out there like that, even post DOD failure.

A 2010 should be a 6L80E 6 speed. Pretty good unit, much better then the 4L60/65E. You should have a fluid exchange, not flush done if you have not done it yet.

Service interval on the 6L80E in my Caprice is every 45,000 miles. Same goes for the 6L90E in 2017 3500HD. Can't imagine it is much different for a 2010 with a 5.3

I just removed the DOD from the Caprice(no failure, wanted more hp/torque). New lifters, head gaskets, lifter valley cover, timing chain, timing chain guide, timing chain cover gasket, lifter trays, hardened push rods, valve springs, ARP head bolts, ARP timing chain bolts, ARP exhaust manifold bolts, Brian Tooley Racing (BTR) Stage 1 cam was just about 1400 bucks. Then 600 dollars for a dyno tune because I went bigger than stock. If you have someone do it 1400 to 2000 dollars labor. A good delete kit can be had for 500 bucks with stock specs, plus labor if you have a failure.

I would just do 5000 mile oil changes with Mobil 1 5W-30 (or what ever it calls for) and service the transmission every 45,000 miles.

I have had an 04 5.3 1500, 02 6.0 2500HD, 98 LS1 Camaro, 01 LS1 Camaro, 00 WS6, 2014 DOD L77 (6.0 Caprice) and the 2017 6.0 3500HD
I have used Mobil1 in all of them except for a 4 year period of Amsoil in the WS6. Didn't make a difference and it used less oil on the Mobil 1. Trans Am is the only one that use oil. About a quart every 6000 miles, but to be fair, it at one point, it did not live an easy life and it has aftermarket heads and Cam. smile

Basic DOD delete kit. Basically just gets rid of the lifters that fail and DOD. So you still need to tune it out. A good dyno tune is 500 to 600 bucks.
07-13 GM truck DOD kit.

And if you want a better cam, all new lifters, timing chain etc....
DOD delete kit with cam, lifters, spring etc


Mike
00 Trans Am WS6 5.7 LS1
17 Silverado 3500HD 6.0
14 Caprice PPV 6.0
15 Malibu LTZ Turbo
12 Passport TT
Re: Those with 5.3's weigh in [Re: Silverado12] #5358311 02/23/20 07:01 PM
Joined: Mar 2015
Posts: 14,929
53' Stude Offline
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Originally Posted by Silverado12
Agree with getting a tune to keep it in 8 cylinder mode all the time. The problem is the DOD lifter will get stuck in 4 cyl mode and start clacking. Then the heads have to come off, lifters and cam replaced to non-DOD. Chrysler has this similar setup but I think it's a little better.



Yup, brother and I put a way better cam and lifters in his 2007 Saab 9-7 SUV and using his laptop and software took the AFM crap out for good. It runs really good now too BTW grin2

He runs plain ole M1 0w30 in it too for 5k oci's


2009 Toyota Camry LE

161,669 miles

Valvoline Maxlife Synthetic 5w20 Dexos 1 Gen 2 SN+
Fram tough guard 4386 filter
Re: Those with 5.3's weigh in [Re: Speak2Mountain] #5358313 02/23/20 07:02 PM
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Posts: 11,241
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spasm3 Offline
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Joined: May 2010
Posts: 11,241
03 avalanche with 85k. No afm here. All towing. I hear the oil pickup tube o-ring can be a problem.

Engine has been great. Rear end rebuilt due to previous owner boat dunking the rear end in seawater. I had the trans rebuilt when all the pan bolts sheared off from rust during a fluid/filter change.


13 elantra 81k 5w30 synpwr
03 chevy avalanche 83k synpwr 5w30
17 mazda cx-5 17000 miles synpwr 5w30
Re: Those with 5.3's weigh in [Re: Speak2Mountain] #5358314 02/23/20 07:02 PM
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AZjeff Offline
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You can turn DOD off but the parts are still in there and they've been working for 108k. Luck of the draw if he'll have any problems but good synthetic oil on conservative OCIs does seem to help. The only way to know they won't fail is to replace the DOD parts with normal stuff. Kits out there to do it. A guy at work has a 2007 Silverado 5.3, first year of DOD and the most likely to fail, he bought new now over 160k with no problems. He only short trips, OC is whenever he remembers, couldn't tell you what oil and filter was ever put in at the quicklube places and Wallyworld. Owners on silveradosierra.com have reported failures after turning DOD off doing short OCIs with good stuff. Point is no guarantee, he might run it another 108k if he does nothing or it might fail the week after he turns DOD off. There might have been some mechanical updates by 2010 making it more reliable.

CKN, your 2018 has an Ecotec3 motor that pretty much fixed the failures.

Edit: I thought ls1Mike did a delete and he posted while I was typing....

Last edited by AZjeff; 02/23/20 07:03 PM.


14 RAV4 2.5 5W-20 PP
18 Nissan Titan 5.6 DI, 0W-20 QSUD

The most important thing to do in your life is to not interfere with someone else's life. - Frank Zappa

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