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5.3 L Chev and GMC Oil Consumption Issue

Tracking the Oil, OCI and other factors

5.3 L Chev and GMC Oil Consumption Issue

Postby EKinMN [OP] » Dec 17 2012, 7:36pm

I want to start tracking oil type and OCI on these trucks, to see if there is any correlation in oil types to the consumption issue some of us are seeing, related to carbon build up. If you have a 5.3 L, please share the following:

Do you have AFM (Active Fuel Management), aka "cylinder deactivation".

Current mileage?

Mileage when oil consumption began (put "n/a" if you are not using excessive amounts of oil).

What type and weight of oil do you use, and how often do you change it?

Also, have you used a cleaner regularly (like Sea Foam, etc)?

Finally, if you know it, please list whether you have an iron or aluminum block, as there seems to be some difference related to the consumption issue.

NOTE: This is not a thread for ranting about oil consumption issues on your truck. This is for data gathering information only. Thanks.
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Re: 5.3 L Chev and GMC Oil Consumption Issue

Postby EKinMN [OP] » Dec 17 2012, 7:38pm

I will go first:

AFM = yes
Mileage = 37,500
n/a
Amsoil XL and Amsoil Signature Series, 5w30.
Changed whenever the OLM told me to. Planning to go 15,000 miles with Signature Series
Yes, I use Sea Foam in the oil and gas at every oil change.
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Re: 5.3 L Chev and GMC Oil Consumption Issue

Postby Willfull04 » Dec 17 2012, 7:48pm

This seems like a really good idea; Can we adjust settings for this thread so we can edit our posts at a later time if the situation changes or would you rather just see a separate post.

AFM = yes
Mileage = 5,000
n/a
Amsoil XL 5w30; changed at 1,000. Expecting 7,000 miles. May try signature series on next change.
No cleaner yet.

(with such a new truck, my info may skew you data, feel free to delete/disregard my post, i mostly wanted to ask that question i led with.)
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Re: 5.3 L Chev and GMC Oil Consumption Issue

Postby yergerjr93 » Dec 17 2012, 7:50pm

i change my oil ever 5,000, it easy to keep track of and kind of looks like it needs changed too. but i wonder how low the oil pressure will be with a lower voilcity?
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Re: 5.3 L Chev and GMC Oil Consumption Issue

Postby Red Green » Dec 17 2012, 8:00pm

AFM = yes
Mileage = 16,100
1 qt low last oil change
Valvoline full synthetic, 5w30.
Changed every 5000 miles
No on cleaner.
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Re: 5.3 L Chev and GMC Oil Consumption Issue

Postby gsvar2004 » Dec 17 2012, 8:55pm

AFM = yes
Mileage = 44xxx
1.5 qt low at 3000 miles
mobil 1 full synthetic, 5w30.
Changed every 5000-6000 miles

had all the crap done. getting new pistons and rings after 400 miles of new valve cover blah blah blah due to fouling plugs.
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Re: 5.3 L Chev and GMC Oil Consumption Issue

Postby Gereke09 » Dec 17 2012, 9:22pm

09 crew
5.3l AFM...according to window sticker(??)
87150 on mileage....bought with 74,400....oil comsumption ever since I purchased(April 2012)
Changed oil at 85,&some change) down half a quart
Signature Amsoil 0w30
Change oil when truck tells me too....about every 10,000 miles
Down to 71% on oil
Been letting truck warm up some!!!!!
Hope this helps :)
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Re: 5.3 L Chev and GMC Oil Consumption Issue

Postby Baker » Dec 17 2012, 9:28pm

ok i am not going to swap back and forth with metric/imperial (this will all me in metric)


Do you have AFM - Yes

Current mileage - 33,000km

Mileage when oil consumption began - n/a (but I will start now watching it before I go for my next oil change)
What type and weight of oil do you use, and how often do you change it? - about 1000km before the sticker tells me, next one in in 4000km or at 37000km, I run 5w30 and what ever the dealer puts in it, before I book my next time I will see if they will switch to Amsoil, or Mobil 1

Also, have you used a cleaner regularly? - Never
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Re: 5.3 L Chev and GMC Oil Consumption Issue

Postby jayrguidaben » Dec 17 2012, 9:39pm

2011 silverado 5.3
AFM = yes
Mileage = 23xxx
Oil consumption = n/a
mobil 1 full synthetic, 5w30.Changed every 10k miles
Seafoam once but only in the gas tank.
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Re: 5.3 L Chev and GMC Oil Consumption Issue

Postby dalejrfan88 » Dec 17 2012, 9:58pm

Good idea
2007 nnbs silverado= 5.3 AFM

I use Amsoil XL or Pennzoil Ultra 5w30 full synthetics since new

I change oil every 6/months or 3k miles on the Amsoil and evrey 4 months or 3k miles on the Pennzoil Ultra synthetic

At 30k miles on truck, I was using about 1.5 quarts

Got the TSB fix. New drivers side valve cover, deflector shield and soaking of pistons and rings at dealer.

After the fix= i now have 39k on my truck, im close to an oil change and im down about 1/4 quart(one dot low on top of dipstick)

Ive been using seafoam/and or lucas fuel stabilizer in gas since i bought the truck new.

Since I heard about these rings/piston issues, I have been using seafoam in crankcase 100 miles before every oil change. The fix as well as seafoam has helped so far, but still burn a little(1/4 qt), but well within GM's acceptable rate
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