Why is oil leaking from my 1975 Harley Davidson shovelhead?
An expert that got 20 achievements. Re: 1975 Harley Davidson FLH shovelhead blows oil out the… Hi, Anonymous oil leaking from your air cleaner or breather is caused by oil carryover from the engine. For whatever reason, the breather system is not separating enough oil mist and air from the piston downstroke.
What happens when the crank sensor on a Harley goes bad?
In newer models, the crank position sensor is designed in such a way that it allows you to reach your destination even after it goes bad. Usually, the symptoms of a bad crank position sensor on Harley Davidson are quite easy to notice. For example, you experience slight hesitation with the engine or reduced mileage, etc.
Why does my Harley Davidson cylinder misfire?
When your vehicle’s crank position sensor is failing, then you’ll notice the cylinder misfire. This is because it is unable to provide your vehicle’s computer with correct piston position information. When your Harley Davidson’s crank position sensor turns bad, you’ll notice the acceleration performing unevenly.
What does p0374 mean on a Harley Davidson?
This is a diagnostic trouble code for vehicles with an engine position sensor. For a Harley, the P0374 code may be shown when the powertrain control module (PCM) detects no pulses from the position sensor. Besides, this code could also mean there is a wiring problem, or the oil is contaminated.
Why is my Shovelhead crankcase filling up with oil?
New (correctly installed) S&S oil pump. It’s puking oil onto the floor while parked. The engine case is filling up with oil coming from the tank/bag. WTF? Amazingly, after 40 year of “hands-on” experience, I have the same issue with a 1200 FXE.
Why does the crank case need to be plugged?
It should not be plugged and have no idea why someone would do that. The crank case has to have vent for internal pressure relief. If not there will be leaks as the pressure has to go somewhere, usually at a gasket or even blowing the dip stick out of the oil tank.
What to do about crankcase pressure on Shovelhead V-twin?
Start the engine and let it run at idle for a while with a drain pan under the crank case vent line. This may take a bit of time but it will eventually purge itself of excess oil. Hope this helps! I personally do not perscribe to the hammer and ball method for working on oil pumps.
In newer models, the crank position sensor is designed in such a way that it allows you to reach your destination even after it goes bad. Usually, the symptoms of a bad crank position sensor on Harley Davidson are quite easy to notice. For example, you experience slight hesitation with the engine or reduced mileage, etc.