Recent content by johnjohn722

  1. johnjohn722

    High Pitched Whistle After LZ0 Engine Replacement. Anyone Seen This?

    Hey everyone, Looking for some input before I take my truck back to the dealer again. I’ve got a 2024 Silverado ZR2 with the LZ0 Duramax. A few months back I had a minor oil leak that somehow turned into a full engine replacement. The truck ended up at the dealership for over 3 months while...
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