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What does blow by mean on a new diesel engine?

What does blow by mean on a new diesel engine?

A brand new diesel engine running at full load will experience a little bit of blow-by upon startup. Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. Correct pressure should be maintained in the cylinder chamber in order for proper combustion to occur.

When to shut down a diesel engine with smoke?

No matter the color of the smoke it is not something you should ignore. A properly working and maintained diesel engine should produce no visible smoke. Make sure to shut down the engine immediately if you encounter excessive smoke as further heat or load could severely damage the engine further.

Why does my diesel engine have blue smoke?

Blue engine smoke is the rarest type of smoke emanating from a diesel engine. The presence of blue smoke is an indication of burning oil. Blue smoke should not be ignored but is common when starting an engine in a cold weather. The oil thins out when it is cold and some could escape into the cylinder and be burnt.

Why does my Cummins 5.9 engine not heat up?

The 5.9’s engine block is made of cast iron. Cast iron is very rigid and inflexible, which causes the block to actually expand as the engine heats up. While the block will only expand by a fraction of an inch, the constant expansion and contraction causes a lot of stress on the exhaust manifold.

Why is my diesel truck blowing white smoke out of exhaust?

However, the white smoke will disappear once the engine has reached normal operating temperature. A steady stream of white smoke during normal driving conditions points to fuel vapors, or in some cases, raw fuel exiting the exhaust.

What should I do if my diesel engine is blowing smoke?

At the other end of the scale, it may be your last chance to act, before a catastrophic engine failure occurs (eg piston seizure, valve or turbocharger failure). This pack will stop your diesel blowing smoke or your money back! Simply add to your fuel and oil and the problem is solved. Should my engine be blowing white, blue or black smoke?

Can a diesel engine burn oil without blue smoke?

Blue smoke should not be evident at any time, but it is worth noting, that engines with good sound compression can actually burn quite a lot of oil without evidence of blue smoke. Good compression allows oil to burn cleanly, as part of the fuel. It is not good though!

A brand new diesel engine running at full load will experience a little bit of blow-by upon startup. Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. Correct pressure should be maintained in the cylinder chamber in order for proper combustion to occur.

Why is my diesel engine blowing black smoke?

It will create pollution in the environment and many other reasons because of which you must be aware of the problems that cause black smoke to occur. These work in a different way than petrol engines and gas engines.

What causes blue smoke when you blow a turbo?

Blue smoke will suddenly appear in a big cloud if your car blows a Turbo. A blown turbo is either the turbo casing has damaged or a broken oil seal in the Turbo. In both cases they let oil into the intake of the engine. 4. Blue Smoke Comes With Transmission Fluid Loss

Is it OK to drive a car with a blown Turbo?

It is not a good idea if you drive a car with a Blown Turbo. This is because bits of metal will be created due to the lack of oil in the Turbo. Then these bits of metal will come into the engine and damage the engine. So before you fix the turbo, you should investigate what damage the Blown Turbo did.

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Ruth Doyle