Latest posts
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Signs of a Cracked or Warped Cylinder Head on a Diesel Engine
Signs of a Cracked or Warped Cylinder Head on a Diesel Engine A cracked or warped cylinder head is one of the more serious problems a diesel engine can develop, and it often gets confused with a simple head gasket failure since the symptoms can look very similar at first. The difference matters, though, because…
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Signs of a Blown Head Gasket in a Diesel Engine
White smoke, coolant loss, or milky oil? Here are the real signs of a blown head gasket in a diesel engine and how to confirm it before you tear the engine down. A head gasket failure is one of the more serious problems a diesel engine can develop, and it’s also one that gets misdiagnosed…
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Signs Your Diesel Truck’s Water Pump Is Failing
Coolant leak, whining noise, or overheating? Here’s how to spot a failing water pump on a diesel truck before it leads to a bigger cooling system problem. The water pump is one of those parts that doesn’t get much attention until it fails, and when it does, it can happen gradually with warning signs or,…
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Signs of a Bad Diesel Fuel Injector: Symptoms, Causes, and When to Replace It
If your diesel has started idling rough, using more fuel than it used to, or making a knocking sound that wasn’t there before, a failing fuel injector is one of the first things worth checking. Injectors on a diesel engine work under a lot more pressure than what you’d find in a gas engine, and…
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How to Tell If Your Diesel Engine Has Worn Pistons or Rings
Blue smoke, low compression, or excessive oil use? Here’s how to spot worn pistons or piston rings in a diesel engine before it turns into a bigger repair. Pistons and piston rings take a lot of heat and pressure over the life of a diesel engine, and by the time they’ve worn enough to cause…
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Turbocharger Failure Symptoms in Diesel Trucks
Whining noise, loss of power, or blue smoke from your diesel turbo? Learn the real signs of turbocharger failure and how to tell wear from a part that needs replacing. Turbochargers take a lot of abuse on a diesel truck. They spin at extremely high speeds, run hot, and depend on clean oil and a…
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Symptoms of a Failing Flywheel or Flexplate on a Diesel Engine
Grinding noise, clutch slip, or vibration at idle? Learn the signs of a worn or damaged diesel flywheel and how to know when it’s time to replace it. The flywheel (or flexplate on automatic transmissions) connects the engine to the transmission and plays a bigger role in how a diesel truck drives than a lot…
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Signs of Worn Engine Bearings in a Diesel Truck
Knocking noise, low oil pressure, or metal in the oil filter? Here’s how to spot worn engine bearings in a diesel truck before they cause serious damage. Engine bearings don’t get talked about as much as parts like injectors or turbos, but they’re one of the most critical components keeping a diesel engine together internally.…
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Signs of a Bad Camshaft in a Diesel Engine
Ticking noise, rough idle, or loss of power? Here’s how to spot a worn or failing camshaft in a diesel engine and what usually causes the damage. The camshaft controls when the intake and exhaust valves open and close, which makes it a critical part of how well a diesel engine runs. Camshaft wear tends…