Common problems with GM's L87 V8 engine

General Motor's L87 V8 engine was under the hood of several models, but it wasn't perfect. Here are the most common problems ...
GM Authority

Chevy Silverado, GMC Sierra ‘Forward Collision Unavailable’ Warning Light At Startup Is Normal, Says GM

Some Chevy Silverado GMC Sierra owners have noticed a warning that the automatic emergency braking system is unavailable at ...

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

Service records looked fine, but this 3.0L Duramax teardown uncovered timing chain chaos, broken rockers, and a ruined bottom ...
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The GMC Jimmy Deserves A Revival - Here's Why

Charlen holds a BA Languages & Culture degree and has over a decade of experience in automotive journalism. His work experience includes stints at CAR Mag and News24 Motoring. Charlen didn't grow up ...
GM Authority

Here’s When The Next-Generation Chevy Silverado HD And GMC Sierra HD Will Arrive

As GM Authority has covered extensively since 2024, General Motors is preparing a major overhaul for its full-size pickup lineup, starting with the next-gen Chevy Silverado 1500 and GMC Sierra 1500 ...