What is the cause of diesel knock?
What is the cause of diesel knock?
Knocking is more or less unavoidable in diesel engines, where fuel is injected into highly compressed air towards the end of the compression stroke. This sudden increase in pressure and temperature causes the distinctive diesel ‘knock’ or ‘clatter’, some of which must be allowed for in the engine design.
Why do old diesels knock?
Answer: The clatter results from the combustion of diesel fuel inside the engine. In a diesel, the fuel is ignited by high pressure and temperature inside the cylinder, rather than by a spark plug. The clatter is the result of fuel not burning as evenly as in a gasoline engine, creating a knock.
Where does the clicking noise come from on a Dodge Ram?
When I have my window down I can hear a clicking noise coming from what sounds like the front left part of the axle. The cadence of the sound correlates with the speed.
Why do I hear knocking noises in my diesel engine?
From my years of troubleshooting diesels, I have learned the very best way to determine if the internal noises you are hearing are normal or not is to do a Diesel Purge. Let me explain; most of the typical knocking and pinging in a diesel engine comes from injector “nailing” and ignition knock.
Is it normal to hear knocking noises in your car?
Some knocking noises are normal and should be of no concern at all, while other deep noises can be a sure sign of impending doom. These are the noises that should be attended to immediately. How can you determine whether the engine noises you are hearing are good or bad?
When I have my window down I can hear a clicking noise coming from what sounds like the front left part of the axle. The cadence of the sound correlates with the speed.
What does the warning chime sound like while driving?
I have a warning chime that has started to sound intermittently while I drive. It first started a few weeks ago, and it sounded like a sick bell. After awhile, it began sounding like a single “bong”. Now it’s “bong bong” when I drive, it’s intermittent, but it’s more often.
Why does my Cummins quickserve make a ticking noise?
Check to see if you still have your noise panel covering up your injector lines. When this is missing, the ticking noise from the HPFP is noticeably louder. If you need any other diagrams then let me know. I have access to Cummins Quickserve.
Is there a problem with my 05 diesel?
Has anyone else had a problem with their 05 diesels not starting and stalling, The no start doesn’t matter if it has been running all day or been sitting for a week when it chooses not to start it just does’nt want to start.
