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Chevy Suburban Oil Usage



  • I just had the exact same problem. They made me do 4 oil consumption tests before they would actually do anything about the oil burn and then once they did fix it they claimed I was out of warranty by time but they were going to cover it anyway, like it was some big favor. The problems started when I was still under warranty but the 4 oil consumption tests took so long that I was out of warranty by time. Now 2 weeks after getting my truck back the transmission goes out. 3rd gear is almost completely gone and if I put it in D the engine just revs and does not engage the gear at all. In order to move forward I have to manually shift from 1st, 2nd, 3rd, to D. This is a lot for a truck with only 84k miles.
  • slalom1slalom1 Posts: 2
    I am a bit frustrated. Purchased our first Suburban last Fall, with just over 100,000 miles. I am sure it was traded in due to warranty expiration. One month after purchase Low Oil level light appears and no oil on dipstick. This pattern repeats, going through 3-4 quarts at least every 2-3k miles. This AFM pressure release valve problem is a design defect and not something that is dicrepent between vehicles. I have been using synthetic oil hoping to tame the problem with no luck. Called Local dealer who said they should be able to get it fixed with some Chevrolet support, no luck they want $1000 to decarbon cylinders, and place diverter. This does not repair a broken part but rather attempts to correct an inherent design flaw. I think Chebrolet should provide this service with little cost to owner as it is there flaw. They should also permit consumers, especially those outside of warrnaty to disable AFM to prevent costly trouble down the road. Help....has anybody had any success in fixing this symptom of poor design? Thanks!!
  • mtkjrmtkjr Posts: 1
    I also have had the oil consumption issue in my 2007 Suburban. After numerous trips and replacing small stuff the dealer finally replaced the pistons and rings at 111,000 miles. 13 months and less than 25, 000 miles later I need a new engine. The knocking is so loud the neighbors hear it from inside their houses. The dealer said I can trade it in, I would be ignorant to buy another Chevy or they can replace it for $8000.00. Chevy customer service is as worthless as the dealer. A jasper engine will cost $4500 to have installed.
  • deniz01deniz01 Posts: 3
    :mad: 2008 Suburban LTZ Oil Consumption!!So I'm having same issue as other consumers. My 2008 Chevy Suburban LTZ is using way too much oil. So I took it in right after my husband changed the oil they checked and they said everything was fine accoding to GM standards. So they told me to take it in every 500 miles to check the oil so by the 500 miles it need some oil they said to come back again at another 500 I took it in 2 days ago at 1,080 miles and it need a 1qrt really!!! that's not normal. My husband has a chevy pickup with same motor and size and it doesn't burn as much we also have a 99 suburban GMC and just took on a long trip put 3,000 on it and burned almost nothing. Please help by giving advice by what has been done by others in same situation. My car has 68,000 miles and I don't want something to happen once warranty expires. GM needs to step up and fix the problem.
  • gmcustsvcgmcustsvc Posts: 4,057
    Hi deniz01, I can understand your frustration. Are you going to continue to follow up with your GM dealer? Would you like me to stay connected with you throughout the process?

    GM Customer Care
  • sonata01sonata01 Posts: 20
    Since I am beyond the 100,000 mark, can anyone tell me if GM can help with any reimbursement, since they are aware of engine problems?? Thanks For a vehicle that has been WELL taken care of, this situation should not have occurred!!!!!!!
  • deniz01deniz01 Posts: 3
    Crystal you can help me by providing me in writing what the GM Standard is for Oil Consuption on this vehicle. My local dealership says I have to get it from GM. Thanks
  • Good Luck, GM Customer Care was a joke. I'm pretty sure I was talking with someone in India or some foreign land. They know they have a problem, but won't stand behind it. As I mentioned in a previous post, I had to have the engine replaced myself. Every time I see the Chevy commercials about quality and commitment I feel like puking. Anyways, I hope you have better luck than I had. Btw, I dumped my 2007 Suburban and now have Ford Expedition EL. I will never by a GM product again.
  • I have had numerous issues with my 2008 suburban. I have over 150,000 miles on it I have had it in service department numerous times to have spark plugs/wires changed. I always run low on oil with a warning light hear a ticking noise in between oil changes. I just recently took it in because the noise now is a knocking loud noise come to find out it is the 1spark plug misfiring because it is fouled out by oil. I was told I now need to buy a new engine or rebuild one because it is the ring and piston. All along the service department just was masking a small problem that now is a big expensive problem. I have been a GM owner since the age of 16. I have never wanted to drive anything else. I have no warranty now and will be upside down when I go to trade it in. I have had my heart set on to buy the 2014 Suburban but with all the money I have had to dump in to this suburban and the last one I had. I am thinking maybe it is time to change things up. I did put in a call to customer service and they are waiting to get with the service department and said she could not promise me that anything could be done. So here I am with a 50,000.00 vehicle with a payment and I cannot drive it. I have seen a lot on the internet about others with the same problem. I would like to think that they will stand behind there product and deliver.
  • mlarenmlaren Posts: 1
    I have been researching 07'-09' Suburban's to replace our mommy van (my budget can't stretch to a new one). I have had many older friends relate their Chevy stories of reliability and ruggedness, some still have their 80's and 90's Burbs for hunting or towing. Well, since I read the posts here and see how Chevy has changed in terms of reliability and especially when it comes to their failure to step up for their customers - even knowing they have a fault from manufacturing, I certainly will not buy a Suburban now.

    I appreciate your posts, though am sorry you have had to deal with such fustrations. Thank you for putting the warning out for the rest of us.
  • buck2008buck2008 Posts: 1
    I too have had an oil consumption problem with my 2008 suburban. I have had regular oil changes and maintenance done at my dealership. I now need the motor rebuilt!!! I am furious. The total cost is around 6,800.00 and GM will pay a partial amount. We are expecting around 2600.00 out of pocket. This is totally unacceptable as this vehicle only has 82,000 miles on it. Warranty is up. GM WILL NOT STAND BEHIND THEIR PRODUCT! I come from a huge family of chevy truck and suv drivers. A 40,000.00 vehicle not made to last. I live in a small town and this has happened to 2 others, which one person said gm covered the total cost, and the other person said they would not budge. Selective I guess. Called GM back and the said they will not consider anymore assistance on this. Who wants to fork out 2600.00 on a car with only 82,000 miles on it??? very unhappy and am set to spread the word.
  • deniz01deniz01 Posts: 3
    WOW!!! I still have warranty on my till 100,000 and it's a 2008 too. Funny when I first post my original message a GM rep replied if I need assistance I replied to her and haven't heard back nothing, that’s GM service for you. On my issue we started an oil consumption test and I had to add 1qt at 1,000 miles finally after 2700 miles into test they have recognized that there's an issue. I now have to get all my receipts for my oil purchased since my husband does our oil changes before they can work on it. Good thing we purchased from Sam’s club and they can print receipts for up to 2 years. I will continue to post my experience. You should check into the warranty cause like I said I have warranty till 100,000 miles.
  • gmcustsvcgmcustsvc Posts: 4,057
    Hi buck2008,

    I am very sorry to hear of your issue. I would like to research this for you. Can you private message me your full name, address, phone number, Vehicle Identification number, and approximate mileage on your vehicle please? My email address is please put "Attn Crystal" in the subject header. Look forward to hearing from you.

    Crystal L-GM Customer Care
  • gmcustsvcgmcustsvc Posts: 4,057

    I apologize if we did not reply to your request. I am happy to see that we were able to get your repair covered under warranty. Please feel free to send an email to "Attn Crystal" in the subject header with any further issues or concerns.

    Crystal L-GM Customer Care
  • pameyerpameyer Posts: 1
    We have a 2007 Suburban with 86k on it. We use 2 quarts of oil every 1000-1500 miles. It is getting worse.

    Crystal, can you advise what I should do to get this addressed?

    I was at the dealer today looking at a 2013 Suburban as we have four kids and the truck is right for us. Unfortunately, my confidence is weakening.


  • gmcustsvcgmcustsvc Posts: 4,057
    Hi Pat,

    I am assisting Crystal here on the forum. I can't provide you with any technical assistance for this issue. I would suggest consulting with your dealer for your current oil consumption concerns. Please let us know if you have any other questions and if you are able to get this issue addressed.


    Amber N.
    GM Customer Care
  • mp3t3r5mp3t3r5 Posts: 1
    GM Cust Svc
    Our '07 5.3L Suburban is doing the same thing. Started at 50K, was in the shop having AFM & Left Rockers rebuilt at 55K and 59k. We've been expressing concern at the dealer for the problem continuing at all oil change since, but the dealer failed to document the concern. Now at 121k they want $5100 to rebuild the pistons. This seems to be a wide spread problem for GM. When discussing with GM Cares the rep stated "if you want an answer now, it's no!" Our confidence in GM has failed, and we are working on posting in many blogs and filling complaints with federal agencies. We intend to bring litigation and contact state reps etc up 'til the point GM does the right thing... It's unacceptable for such a large company to take advantage of its customers and cover such large and widespread issues to protect its own interest through deceitful and deceptive practices!
  • newboldrnnewboldrn Posts: 1
    I am also an owner of a 2007 Suburban with ~108,000 miles. The dealer has attempted one repair with a diverter in the oil pan but this did not resolve the issue. We were fed up with all of the "oil consumption tests" that the dealer was performing while not indicating that GM had any resolution. please keep me posted on your legal proceedings. We are very dissapointed in GM at this point and looking for a way to get this resolved.

  • sonata01sonata01 Posts: 20
    I would also like to kept informed of any legal proceeding as I had already paid for a valve/lifter job, which, of course, didn't not help the oil consumption; and was told to add oil as needed, which will be pretty often, until I get rid my suburban. I can't imagine that GM would reimburse, even a portion, of my costs, even though they admit there is a problem with suburbans.
  • wwinnwwinn Posts: 2
    Same here. Looked so long for a good used suburban and found an '07 in 2009 with 16k on it. Now with 85k I am having low oil issues. I have not even called gm yet. Figured it is not worth it. Let me know when the lawyers get involved because I wanted 200k out of this one. Own another Chevy (4 total over 8 years) but will go back to Nissan if this is not fixed.
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