Why Does The Truck Engine Sound Louder Than Usual?

Hi, I'm Mike, a long-haul trucker from Texas. My rig, a Kenworth W900, has been making louder noises than usual when I hit the gas. It's not a grinding or a screeching, just louder. I keep up with maintenance and oil changes, so this sudden change is puzzling. Does anyone have any idea why my truck engine might be sounding louder than usual? Would appreciate any advice.
Solved By Zoe Cheng

Solved By Zoe Cheng

Zoe Cheng is an expert in the diesel engine and parts. The company Sennoparts is officially authorized by DEUTZ and VOLVO to sell and service original diesel and machinery parts. We also sell high quality replacement parts and offer remote repair assistance service. Our company exports to over 30 countries worldwide and we have partners in Kenya, Philippines and Uganda among others.

Hello Mike,

As a professional mechanic with years of experience, I can tell you that there are several reasons why your Kenworth W900’s engine could be sounding louder than usual. It could be due to an exhaust leak, worn-out bearings, or even a failing transmission.

However, it’s hard to say without a proper inspection. I strongly recommend you take your truck to a qualified mechanic for a thorough check-up. A sudden change in engine noise should never be ignored as it could lead to more serious problems down the line.

Stay safe on the road!

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