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apex944 replied to the thread L87 Failure - Taking formal action.Nobody wants it -
apex944 replied to the thread L87 Failure - Taking formal action.I have a borescope w/ camera. Good idea.
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I briefly outlined my failure scenario in this post. Here is my plan to request that GMC deal with the situation BEFORE I have a safety...
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apex944 replied to the thread UOA and Filter photos of L87 time bomb..Yup. The air suspension is the entire problem. Totally undamped. (I sell race shocks so I have experience with this)
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apex944 reacted to blanchard7684's post in the thread UOA and Filter photos of L87 time bomb. with
Sad.
The dirt/silicon readings are really standing out. With 20,000 miles that should be minimal and well below 20 ppm. The iron readings... -
apex944 reacted to Stbentoak's post in the thread UOA and Filter photos of L87 time bomb. with Like.
You can pile up all the evidence you want. The only thing the dealer is going to say is run until it breaks. The $60 question is when's...
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apex944 replied to the thread UOA and Filter photos of L87 time bomb..Assumption 1: I'm not stressed. Assumption 2: Dealer is not going to give a new engine. Do I like the vehicle? Well ... about...
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Let me tell you an L87 story, with documented evidence of how bad these engines are. My 2024 Yukon Denali is just over 2 years old with...
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