Why ticking happens: Ticking occurs when a lifter cannot maintain zero lash due to wear, sludge, or poor oil flow, creating a rhythmic tap that follows engine RPM. High‑risk engines: Engines like ...

My engine has developed a strange ticking sound. Its whisper-quiet before an oil change, and then makes a loud tapping after a new filter and fresh oil. This cycle has been going on for about 20,000 ...

Some Buick Enclave owners may notice their crossover producing an engine ticking noise, in particular around the top end of the engine. Now, GM has issued a new service bulletin to addresses the issue ...

We may receive a commission on purchases made from links. Imagine you could get all the brawny output of a robust V8 engine in your truck when needed, but also get improved fuel efficiency while ...

A new service bulletin reveals how Chevrolet’s ticking cylinder head problem might be resolved. GM released a bulletin addressing engine ticking noise in certain 2025-2026 vehicles. Noise traced to ...

Any diesel engine can be a bit noisy; that’s just the way they work. But if a new noise has surfaced, then something has definitely changed under the bonnet. First thoughts would be a hydraulic lash ...

The Cummins 6.7L turbo diesel engine entered its fifth generation in 2019. In addition to improved output of up to 400 horsepower and 1,000 pound-feet of torque, the new engine's valve train featured ...

Back in 1983, I inherited my grandfather's 1973 Buick Apollo, equipped with a low-mileage Buick 350 V8 engine. The car is mostly stored, but I start it up and exercise it every few years. The last ...

A ticking sound under the hood is investigated, covering common causes like valve train noise, lifters, and engine issues ...

Sound coming from your engine bay is typically very normal, as it means the engine is working and providing power to help move your vehicle. Most drivers have an idea of what their vehicle should ...

Q My wife has a 2017 Toyota Highlander that she loves, except for a loud ticking noise from the engine compartment when in gear. The car has 12,000 miles. The noise has been there since day one. On ...

General Motors has quietly issued a fix for Buick Envision owners who may be hearing an unwelcome percussion sound coming from under the hood. The Detroit automaker released an updated Preliminary ...