6.0 engine loss of compression

By Chris Redd
November 6, 2017 in 1999-2013 Silverado 1500 & Sierra 1500

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Chris Redd

Posted November 6, 2017

I own a 2007 Silverado LTZ with the 6.0 Max engine. At 104k the engine started acting up. Bottom line was $3,000 for a "new" engine. At 220k. Loss of compression in #1 cylinder and the dealership wants $4k again. Dealership didn't want to negotiate and no response thru them from GM.. Suspicions are AFM issues like the 5.3. Suggestions please and ready to go for a class action.

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