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LMM #6 glow plug

2340 Views 3 Replies 3 Participants Last post by  08CCDuramax
I have 48000 miles on the truck and the #6 glow plug is bad. Is this a normal problem or a start of problems of the rest of them? Is it covered under the warranty?
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Yes, it is covered under your under your power train warranty. I had the same thing happen on a company truck with 49,000 on the clock. What the dealership will do is replace all of them at the same time. I was told that GM requires all to be replaced not just one under warrenty.
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