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GM has issued a new special coverage bulletin for certain units of the 2023 Chevy Silverado 1500 equipped with the 3.0L I6 LZ0 Duramax turbodiesel engine.
11hon MSN
An Engineer Explains GM’s Valve Body Failures: Will A New Repair Be Enough for HD Owners?
In early August, GM finally opened a gap in the floodgates when it released a revised valve body and updated repair procedure ...
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