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Mechanics keep seeing timing chain failures on high-mileage GM SUVs

High-mileage GM SUVs are increasingly showing up in repair shops with timing chain problems that often catch owners off guard ...
Autoblog

This GM 3.0L Duramax LM2 Hit 140K Miles—Then a Known Issue Caused Major Engine Damage

View post: Chevy’s Toyota Tacoma Rival Is Getting A Major Update Sooner Than Expected The Duramax LM2 diesel offered power and efficiency, but early models had timing chain issues. Engine teardown ...