Print this page Notes: Engines shouldn't need a new quart of oil every 500-1000 miles, but for thousands of Suburban owners that's exactly what's happening. Engine oil consumption on aluminum block engines with Active Fuel Management (AFM) is out of control and owners are left looking for answers.

The most likely culprit is an uncovered AFM valve which, in many cases, can be covered under warranty. The problem is the issues don't stop there and many owners have been told by GM just to buy a new engine. Take one guess who they want to pick up the tab.


pretty bad
Typical Repair Cost:
Average Mileage:
63,341 miles
Total Complaints:
180 complaints

Most Common Solutions:

  1. not sure (63 reports)
  2. nothing got resolved (51 reports)
  3. chevy needs to fix (27 reports)
  4. replace engine (14 reports)
  5. splash guard to be added in oil pan (5 reports)
  6. replaced cylinder heads (3 reports)
2007 Chevrolet Suburban engine problems

engine problem

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2007 Chevrolet Suburban Owner Comments (Page 1 of 9)

problem #180

Aug 162016

Suburban ES V8

  • Automatic transmission
  • 140,000 miles


1 month of driving is equal to 2-3 quarts of oil consumption.

- , Bridgeport, CT, USA

problem #179

Aug 222015

Suburban LT 5.3L V8

  • Automatic transmission
  • 83,900 miles

My 2007 Chevrolet Suburban, engine is a 5.3 L - V8. Starting at 75,000 miles on my suburban, it is using 1 quart of oil between 800 - 1,000 miles. Where is the oil going. I Chevrolet service department employee told me that the 2007 Suburban's had a different motor in them and every 2007 has this problem and Chevrolet - GM did change some things on the engines of newer suburban's.

- , East Grand Forks, MN, USA

problem #178

Jan 272017

Suburban LTZ V8

  • Automatic transmission
  • 145,000 miles

I have been dealing with the Stabilitrack, Traction Control and oil consumption for about the last 5 years estimated 50Kmiles the first time. Everytime I bring it in I get work done that is diagnosed and it does not fix problem. Then after a few times we ended up having cylinder heads done three times. The last time was 23K miles ago. Same cylinder head clogged. #2

I have serviced it at McConnell Chevrolet where they have done all my work and have insisted that "Chevys burn oil its normal". Typically two weeks after an oil change I add a quart of oil or two. Had the car towed because Stabilitrak light, traction control and Stop engine light came on. They said the oil sensor was bad. So they replaced and then called me and said the suburban is not holding oil pressure. Can anyone help? I feel like we have never solved this issue and Chevy really has no idea and just strings us along.

- , Windsor, CA, USA

problem #177

Mar 022015

Suburban LTZ 5.3L

  • Automatic transmission
  • 85,000 miles


Noticed the problem after purchasing the vehicle used with around 78000 miles. Purchased from a dealer, so after having the car home for about a week the "add engine oil light can on", it was down a quart, thought it was a fluke. Changed the oil and reset oil life monitor at the dealership I bought it from. Planned on changing the oil every 5K regardless of the oil life remaining calculation on the DIC. Without fail the "add engine oil light" would come on well before the oil was going to be changed, always down a quart. This seemed to vary by what type of driving was being done, town or hwy. The car now has 118000 miles on it and since I have owned it, it burns about a quart every 1500-2500 miles. I know there are a few band-aid fixes and you can replace the engine only to have the problem return. We will just keep adding oil, and changing every 3k until Chevrolet realizes there is an issue that can not be fixed, as it is a design flaw, until the design is changed. I wish they would step up and fix the issue free of charge with a recall and reimburse it's customers for the excessive oil and filters it needs to maintain this vehicle. This is our second suburban and our last, unless they correct there error.

Update from Feb 9, 2017: Well at 119,224 miles I noticed a few small spots of oil on my garage floor. I took it in and found I had a rear seal leak. I have the extended warranty on this vehicle so it was fixed, $1100.00 shop bill covered. A week later (119,669 miles) I found I still had small spots of oil on my garage floor. Took it back in, found I had another leak by the engine oil pan gasket, covered by warranty $900.00. I now have driven it 3000 miles since the fix and I have not lost any oil, not even one dot down on the dipstick.

The only thing I can think of is while I was driving and the oil was hot it would leak from the areas above, and eventually it just got worse. I did not however at anytime have oil spots in my garage until just recently at 119K. This seems to have fixed my issue. No other fixes had been attempted prior to this. I also had the plugs and wires replaced and no plugs were "fouled up" or had any signs of oil.

- , Tripoli, IA, USA

problem #176

Jan 182016

Suburban LX 5.3L V8

  • Automatic transmission
  • 120,000 miles

Chevy needs to pay attention to the many customers who are reporting this and do a recall. Last Chevy/GMC we will ever own.

- , Nampa, ID, USA

problem #175

Jun 202013

Suburban LTZ 5.3L

  • Automatic transmission
  • 120,000 miles

After investing $50k this car is a peace of sh*t, Chevy has heard the issues and they don't anything about it.

Its all about the money and fast production, Take responsibility and recall all the car that have this issue

- , Pembroke Pines, FL, USA

problem #174

Jan 302008

Suburban LTZ 5.3L

  • Automatic transmission
  • 30,000 miles


2007 Chevy suburban Ltz purchased in 2008 with approx. 27,000 miles. I do my own oil changes and noticed after my first change that the vehicle was using excessive oil. At that time it was necessary to add a quart every 1000 miles and now I find with 120,000 miles on the vehicle I check the oil weekly and add 3 quarts between changes. Using synthetic oil this gets rather expensive. I can see from this and other websites that this is a wide spread problem that should be addressed by GM but, not surprisingly , they have chosen to disregard. I can honestly say that we have enjoyed the vehicle but I would never purchase another GM product again because of their lack of any acknowledgement and resolution to this issue.

- , Northport, NY, USA

problem #173

May 012012

Suburban LX 5.3L

  • Automatic transmission
  • 80,000 miles

I did not know about the complaint website. But the engine has used a lot of oil sinse I purchase it in 2007

- , Conley, GA, USA

problem #172

Jul 282008

Suburban LT 5.3L

  • Automatic transmission
  • 35,000 miles

I have had this vehicle into GM with this issue at least 3 times. Once at about 35,000 miles, again at about 50,000 miles, and again at about 70,000 miles. I gave up as they told me they would not replace the engine. I have been a loyal GM owner for 34 years. I haven't ever had an engine start using oil like this until it was leaking it or had over 100,000 miles. Something is wrong and GM should do something about it.

- , Shawnee, KS, USA

problem #171

Nov 182014

Suburban LT 5.3L V8

  • Automatic transmission
  • 83,000 miles

Continues to burn oil every 1,000 or so miles. The only oil that I went 3,000 miles without the Low Oil warning was Valvoline High Mileage??! Not sure if that is a fix or not but I keep a spare qt of oil in the truck as a just in case.

Update from May 12, 2016: Went in to complete the 1,000 mile oil consumption test. Dealership discovered that my oil pan gasket was leaking. Been one day. will update in a few.

- , Metairie, LA, USA

problem #170

Oct 092015


  • Automatic transmission
  • 50,000 miles


The engine burns through oil before it is time for another oil change and we only drive back and forth to work about 20 miles per day!!! We must have oil on hand at all times!!!! This is ridiculous! Certainly not worth the money you pay for the SUV! Why hasn't the manufacturer fixed this problem????? Or reimbursed us for all of the extra oil this SUV burns!!! I believe this consistent issue is tarnishing Suburbans image!!! We will not purchase another Suburban after all of the oil and electrical issues this one has had!

- , Mechanicsburg, PA, USA

problem #169

Oct 032012

Suburban SR71 350 V8

  • Automatic transmission
  • 81,285 miles

Spend a lot of money on a American car and all we get is the big run around bullshit. Lockhart automotive group is not good for repairs or help, they just take your money. I like the size of the truck but not the issue of adding three quarts of oil every month. I will probably buy a Ford or something else.

- , Fishers, IN, USA

problem #168

May 052015

Suburban LTZ 5.3L

  • Automatic transmission
  • 150,000 miles

I bought this vehicle because I own an older Suburban and loved it. The guy I bought from said the oil consumption had been fixed. Well what a lie. I started having problems soon after now its to the point I add a 1qt of oil if drive 200 miles, its crap. I know it has lots of miles but my older Suburban had over 200k and not drop. I want Chevy to step up and fix the problem.


problem #167

Jul 152011

Suburban LX 5.3v

  • Automatic transmission
  • 74,000 miles

So I was lucky the FIRST time. The engine was still under warranty at 74,000 miles & was replaced. I had to go in 3 times because the oil just kept disappearing. Finally after the 3rd visit, they replaced the engine, with a rebuilt engine.

That was at 4 years @ 74,000 miles.

Now almost exactly at 4 years @ 75,000 miles the engine blew a whole in the engine block.

I guess we call it the 75,000 mile engine.

I have contacted GMC & I'm waiting for a response. It's $6600 to put in a rebuilt engine & the blue book is around $9,000 to $10,000

- , Englewood, CO, USA

problem #166

Feb 182015

Suburban LT 5.3L

  • Automatic transmission
  • 121,000 miles

I purchased this vehicle in January, 2014 with 106,000 miles. I tried to do my research on this vehicle prior to purchasing but never knew there was an oil consumption problem. There are so many Suburbans on the road, I felt they were rock solid.

I lose about a quart of oil every thousand miles. Luckily, the dealer does free top-offs but how long will this vehicle last? I have no mechanical experience at all so I have no idea.

I do know this is the first GM product I purchased and this has not been a good experience. With all the recalls out there, one would think GM would take care of this. I can see I am not the only person having this problem with their GM vehicle.

Can someone please help as the dealer advised to get a new engine.

- , Traverse City, MI, USA

problem #165

May 152012

Suburban Z71 5.3L

  • Automatic transmission
  • 52,500 miles

According to the owner's manual, if you put the gear selector in "3" instead of "D", the engine will not go into V4 mode. When I am driving in town at speeds less than 45 mph, I put the gear selector in 3. Went from using a quart of oil every 1600 miles to using a quart every 2200 miles. Huge difference and didn't cost a dime.

No, you shouldn't have to do this but it's much better than taking it in for the oil consumption test every few hundred miles. Results may vary due to personal driving habits.

- , Aberdeen, SD, USA

problem #164

Jun 132014

Suburban Z71 5.3L

  • Automatic transmission
  • 109,000 miles

Owned a 2003 Z71 with virtually no problems until we lost it in a rollover accident (Thank God everyone was ok). June of 2014 we purchased a beautiful 2007 Suburban Z71 black with 109,000 miles. It has no rust and you can tell it was garaged kept. Oil life said 56% and being a current chevy express owner now that everyone resets those when you change the oil. Low oil indicator turned on shortly after we bought it. So i changed the oil before our 1600 mile trip. When we arrived (800 miles) no oil missing. when i returned home (1600) miles we were 1 quart low. Then the next 1600 miles burned 2 quarts. So, in 3k miles it consumed 3 quarts of oil. Now i have been monitoring these sites to see if there is a fix by GM and so far there is not, especially being over 100k mile mark. It frustrates me because i am sure the old owner new about it but did not do anything to fix it.

- , Rochester Hills, MI, USA

problem #163

Aug 162012

Suburban LS 5.3L

  • Automatic transmission
  • 80,000 miles

I bought my 2007 Chevy Suburban brand new and it was a good car for the first 2 years. Then I started to notice things falling apart and noticed the oil usage. I didn't realize how bad of a issue it was until my brother-in-law told me about the problem (he bought a 2007 Suburban at the same time). The car also needs to have the rear aexl rebuilt as I found this is a common problem too. I have been a loyal Chevy customer for many years but this car is a piece of sh*t. I will never buy one of their cars again.

- , Simi Valley, CA, USA

problem #162

Feb 042011

Suburban LT

  • Automatic transmission
  • 61,372 miles

Stilllllllll burning oil....... replaced all 8 piston rigs and reinstalled 2 broken exhaust manifold bolts and one exhaust flange stud. Extracted and retapped holes. New gaskets and fasteners, replaced all lifters on the drivers side. All on 60k miles. Geezus, this is not normal wear and tear type stuff. I drive my kids to and from school and sports I'm not 4x4 ing how do exhaust manifold bolts just break from normal driving. WTH. Hate this car. Stuck in it thank god all this crap covered under warranty.

- , Renton, WA, USA

problem #161

Jul 012011

Suburban LT

  • Automatic transmission
  • 69,000 miles

Ok after having this POS in the shop every couple months I feel a little relieved that they are replacing the engine; right.... wrong. Engine finally stops burning oil but then the rest of the damn thing starts to fall apart.

- , Renton, WA, USA

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