Question about 2009 Harley Davidson FLHTCU Ultra Classic Electra Glide

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2009 ultra classic oil coming from carberator

Small amount of oil dumping into air filter from carberator.

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  • Harley Davidson Master
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Hi Jesse, oil leaking from your air cleaner is caused by oil carryover from the engine. For what ever reason the breather system is not seperating enough oil mist and air from the piston downstroke. There are cheap and quick easy fixes and there are more exspensive ones. Start by trying the following:
1. Run your oil level half way between the add and full mark when hot.
2. Run oil breather lines from head into a TEE fitting below carb/induction module then a single line into a mini filter under frame.
3. Purchase Arlen Ness Super Sucker.
4. Replace umbrella valves and realign oil pump
5. Upgrade oil pump and cam plate
Good luck

Posted on Jun 14, 2015

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Posted on Jan 02, 2017

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SOURCE: oil coming out of air fliter

Chances are your breather umbrellas are bad or your oil pump is shot. It could even be a really dirty oil filter.

Posted on Mar 15, 2009

goalie39
  • 469 Answers

SOURCE: How to drain the oil on 2007 Harley Ultra Classic?

should be on the front left of the oil pan.
ye second one on the bottom right is transmission oil.

Posted on Apr 14, 2009

  • 653 Answers

SOURCE: oil leaking

The fact that the air filled upper portion of the shock is still holding air doesn't change the fact that the o-ring seals in the oil filled portion at the bottom of the shocks are going bad. You are better off replacing both of them soon before it affects ride comfort and handling.

Posted on Jul 15, 2009

wd4ity
  • 4565 Answers

SOURCE: oil blowing out through air-filter,rough

Your '98 Evo motor is what they call a "head breater" engine. This means that the crankcase ventilation is at the upper end of the heads rather than way down at the lower end of the engine like it used to be. They the first year for the "head breaters" was 1994.

Now, At the top of the heads where the rocker boxes are, there are three pieces. The lower rocker plate with the rocker arms in it, the middle piece and the upper cover. If you take the four bolts out, you'll see an umbrella valve in the middle piece of the rocker boxes. This valve is a replacable rubber piece. Over time and many times of heating up and cooling down, they can get brittle and allow a lot of blowby resulting in oil in your air filter element.

Now there is another part in the cam chest that has a lot of effect on the operation of the crankcase breather system on your bike. This part is called the "breather gear" and is located down in the cam chest to the rear of the camshaft. In you bike, the part is made of plastic if it's the original part. I have seen the teeth break off of the drive gear and the breather gear stop turning. This will screw up the "breathing cycle" on your engine and cause it to "blow oil". Usually, the oil pump locks up when this happens due to the plastic teeth getting in the oil pump but not always. If this eventually turns out to be your problem, have the mechanic or yourself install one of the new S&S reed valve type breather gear replacements. They don't turn at all and work absolutely great. The part is about a hundred dollars but it's well worth it. Solves the old broken breather gear problem that has plauged the Evo engine it's entire life.

There are no "screens" in the Evo engine other than the "tappet oil screen". Just in front of the oil pump is a screw plug that is in the engine cases itself. If you remove this plug, there is a small spring and cone shaped screen that filters the oil prior to it going to your tappets. This should be cleaned every other oil change but it has nothing to do with the oil in your breather.

Now some riders will tell you that if you allow your Harley to sit for any length of time that it will "oil sump" with you. By this, they mean that oil will seep past the check ball in your oil pump and pool up in your crankcase. When you start the engine up, oil will be blown into your oil filter. Not true on your Ultra. The bikes that will oil sump are the Sportsters, Softails, Shovelheads, or any bike that the oil tank is higher than the oil pump on the frame. On your Ultra, the oil tank is on the bottom of the transmission. Your bike will not "oil sump" unless you have a sheared key in your oil pump or the oil has somehow learned how climb. You oil tank is below your pump in other words and oil does not flow uphill.

Posted on Apr 03, 2010

  • 1 Answer

SOURCE: why does my oil light come on when I amm idling i

I had the same problem with my 05 ultra Some filters will cause this. I use only the K&N also I have since went to a feuling super pump now it holds 55 PSI on the road and ilde at 32 psi with any filter also keep an eye on the cam chain tensioner it has been know to come apart and the cunks end up trashing the oil pump. I elimated that with a gear drive cam expensive but great for peice of mind and the bike runs so much better also these mods had realy lowered my engine temp

Posted on May 09, 2010

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Indicates a problem with the fuel pressure. Code could be caused by excessive tank pressure, (loosen fuel cap then tighten). Code may not clear right away. Could also be a plugged fuel filter or a defective fuel pump. Hope this helps.

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Hi Anonymous, start by checking oil level in tank and make sure it is between the add and full mark. With engine at normal operating temperature 180-230 degrees and the use of a 10 micron synthetic media oil filter, oil pressure will be 30-38 psi at 2,000 RPM and 3-5 psi. at idle. The oil pressure light is designed to come on at 2 psi. or less. To accurately test oil pressure remove oil pressure sending unit and install known good oil pressure gauge that reads 0-50, there might possibly be some plumbing required for hard to access points. If you are out in the middle of nowhere and there is no cell phone service and your oil pressure gauge isn't working and your oil pressure light is burned out, despair not, you still have one last line of defense left HYDRAULIC LIFTERS, as long as those tireless workers are quiet, you have oil pressure, maybe not much, but enough to get you down the road at a slow to moderate speed using the least amount of RPMS as necessary. Good luck

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1 Answer

89 Harley FLTCU oil coming from the crankcase breather tube and


This is an age old problem for the Harley engine. In you 89 model, the crankcase breaths from behind the oil pump through a tube that runs to the backside of the air filter assembly. Most people that I know, simply remove the tube coming up to the air filter and block the hole in the air filter assembly backing plate. At the breather, they run a short hose to just behind the transmission and cut it off there. This is similar to the earlier Shovelhead engine and the way it breathes. In 1994, Harley went to the "head breather system" which was better but it still gets oil into the air filter assembly.

There is one thing I saw on the aftermarket assessories market once called a "CatchCan". The breather tube ran to it and it seperated the oil from the air and the held it in a small container to be emptied on a regular basis. I have never used one nor have I ever seen one so all I can tell you is what the book said. Matter of fact, I cannot remember where I saw it now. Custom Chorme catalog, maybe. Good Luck, Steve

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1 Answer

I can't find the drain for the crank case oil on my 2009 FLHTCU. I want to do my own oil changes on my bike, but I cannot find the oil drain plug. Help!


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1 Answer

Oil coming out of air fliter


Chances are your breather umbrellas are bad or your oil pump is shot. It could even be a really dirty oil filter.

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