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GM's New Engine Oil: Use It Or Else!

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    • By rpllib
      The following are posts I made on the AOCA website outlining an issue(potential nightmare) we had on 2017 Chevrolet Colorado:
       
      Randy_Lucyk
      Joined: Dec 21, 2011
      Total Posts: 83  Feb 8, 2018 3:03 PM Unfortunately, I believe this is exactly what this may turn into for shops and consumers. We recently had a report of an oil filter failure on a 2017 Chevrolet Colorado with 13304 miles on the truck and the issue occurred 400 miles after our oil change. Customer had a check engine light come on so he headed right off to the dealer to have it checked under warranty. It had a VVT code stored and the dealer started looking into the issue. They found the filter failure and sent a picture of the image off to the customer. We used a Performax P0171 filter. The customer sent me the attached image of the obviously failed filter. I am immediately highly concerned, but the dealer is being unusually understanding of the failure. We spend some time with the service manager and find out that their appears to be an issue starting to show up on these vehicles, where the stand pipe in the filter housing is coming off with the old filter and being disposed of without the techs knowledge. We had great video of the oil change and their was nothing visible with the old filter as it was removed. The premises is that without the standpipes restricting/diverting functionality in place, full oil flow is blowing out the filter and the everything flows right down the filter housing port into the cylinder heads and remainder of the motor and plugs up components and passages. We asked for a picture of the filter housing and received image 2 attached. This appears that it may be a problem starting in 17 model year, but i can't be sure of that yet. I am digging for additional info now and will update as more information becomes available.  Randy_Lucyk
      Joined: Dec 21, 2011
      Total Posts: 83  Feb 9, 2018 7:59 AM This appears to be both a GM issue and a in-shop issue. 

      Now that I see the notification GM released last week, i believe this issue occurred at the original oil change prior to the one we did. As I said, we had great video of the open end of the old filter as we removed it from the vehicle and I don't believe this stand pipe could have possibly been inside. Their is also no evidence of the tech struggling with anything "down in there" other then the normal A/C line interference issue. . 

      Looking at the design and the A/C line interference, I suspect that the stand pipe is being knocked loose as the filter is being "angled" around the A/C lines to get the old one out. I suspect the oring on the stand pipe is the only thing holding it in the oil filter housing. Once the standpipe is disposed of, the housing has to be replaced, as the stand pipe is not available separately. The housings are in short supply with only three left in the country on dealers shelves and none in Gm distribution centers. Their is a new part number for the housing and those are not available yet. Original pt# 12675707 and new pt# 12682014. 

      Looking at the attached illustrations and notice, it would not be easy to completely miss the fact that a problem was evident. The stand pipe looks too big to me to be easily missed. I suspect it is plastic and the words "housing cracked" was mentioned in the conversation with the service manager. I wonder if the stand pipe is actually cracking during removal of the filter, making it difficult/impossible to reinstall. If we did not do it, then why the old filter had not failed yet ours did, comes into question. Cold weather "full oil flow" was also mentioned in the conversation with the service manager, and those were the conditions at the time of the failure. 

      The images also create some questions for me. The new housing does not appear to be identical to the OE installed housing, so is it an already redesigned housing? The filter bulletin in the Napa/Wix box talks about an update to the filter to include a check valve in the top of the filter. Our old filter does not appear to have this check valve, the Napa/Wix does and our new stock P0171 filters also have it. Looking at the design of the stand pipe in the new housing, it would almost appear that the small nipple on the end of the stand pipe might make more sense if it fit into the open hole of the old filter. The stand pipe design almost seems wrong for the filter with the check valve, unless it is shorter than it looks and never reaches the upper end of the filter. Would be great if the next shop to have one of these off would post some additional pics to try and help reduce confusion. 

      Based on the notice from Gm, this does indeed look like it could get ugly. Although, this dealer covered all the extensive engine repairs under warranty(heads pulled, all new timing components, cleaning passages), i am not convinced all dealers will take that approach. In my case, it was nice(incredible?) to see GM step up and take responsibility. It helped that my customer (owner of the Colorado) retired from a GM primary supplier dealing with issues exactly like this for the later half of his career. He knew the right people to call to get the info needed to drill down to the root cause. 


      Randy Lucyk 
      Midas Kalkaska



    • By xrac
      Here is a link to a question on Quora that I supplied an answer to and so far it has gotten over 3,700 views and 75 upvotes.  Thought that you might be interested in reading it.
       
      https://www.quora.com/Is-it-dangerous-to-fall-asleep-in-a-parked-car-with-the-engine-on-if-the-car-is-parked-outside/answer/G-Frank-May?srid=ht1dc
    • By JimO
      I presently have one bulk oil tank that is dispensed from an overhead reel in the shop and we use case goods for all other needs. The bulk oil route was great years ago but late model vehicles require so many different oils that most of my volume is now from case goods. Bulk oil is probably still the best route for dealers that primarily use one grade of oil however it no longer meets my needs since I have limited space and I am unable to have multiple bulk tanks. I recently investigated "bag-in-box" rack systems. For those of you who are unfamiliar, "bag-in-box" is 6 gallons of oil in a cardboard box with a plastic bag "bladder" that has a spigot. The 6 gallon boxes are stored on a rack that has graduated pitchers under each box. Open a spigot, fill the pitcher to the desired amount, pour the pitcher into the engine. No large bulk tank, no pump, no piping, no overhead reel. The size of the 6 gallon box (24 qts) is about the same size as a regular case of oil (12 qts). I had a meeting with a sales rep from GH Berlin Windward yesterday. They offer "bag-in-box" rack systems from Kendall, Valvoline, Mobil, Chevron, Peak and Navi-guard (house brand).
      Are any of you using a "bag-in-box" rack system? Do you have any comments or tips?
    • By Joe Marconi
      So, what's worse than AutoZone and Advance doing free check engine light scans? You know the answer, installing the part that was sold by these part stores without performing your own diagnostic tests first.
       
      I was at an affair the other day sitting at a table with a few people I did not know. And then the question I never want to answer comes up, "So Joe, what do you do for a living?"
       
      This person told me a 15 minute story about going to AutoZone to have a check engine light scanned, then buying an O2 sensor, bringing it to the repair shop that was recommended by the AutoZone, only to have the check engine light come on the next day. I am sitting at the table attempting to eat a really bad steak, and now I have to save the world.
       
      The more I tried to explain the more distant this guy became. So, I gave up and suggested he go back to the shop and pay to have the problem tested and diagnosed. His eyes lit up, "Pay for something they do FREE at AutoZone?"
       
      We are evolving into an industry where standards are being re written. And, it's not good. This guy went to AutoZone because of all the ads he hears on the Radio, and also speaking to a few of his coworkers at the office.
       
      Is it me or is there a real problem brewing here? Bigger than we have imagined before?
       
       
       
       
       
    • By CAZM
      My main service truck is a 2007 F-550 with the 6.0 diesel in it. It has a Jasper rebuild engine and tranny in it not sure of the mileage as when they were put in due to the fact I got it from one of our other stores, and they can't produce the mileage.
       
      So yesterday it started losing power. We don't work on Diesels here so I brought it to a very well known shop. Come to find out it needs all 8 injectors replaced at a cost of $4300.00. So here is my dilemma do I drop $4300.00 on it or do I go for a new one? Now keep in mind this is a boom truck for doing farm and loader tires and the cost is very well into 6 figures.
       
      So I would like to know your thoughts spend $4300.00 on a truck that has 243,000 miles on it and in my opinion a rebuilt engine and tranny from a company with a very bad reputation. Or spend over 6 figures on a new one.
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