Question about 2005 Harley Davidson FLHTCUI Electra Glide Ultra Classic

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I have a 05 ultra classic and when the engine is cold i have no oil pressure if you rev it to five grand till it warms up the pressure is fine can you explain

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  • Harley Davidson Master
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Hi James, start by checking oil level in tank and 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 nessary. Good luck

Posted on May 26, 2015

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Posted on Jan 02, 2017

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

  • 2 Answers

SOURCE: engine oil plug

Another way to locate it, is with the bike on the kickstand, look underneath of it from the right (brake) side. The oil drain plug is on the front of the square looking pan under, and to the rear of the engine. The oil drain is the plug on the front of that pan, on the left (shifter) side of the bike. The trans drain is on that same square looking pan, but towards the right side, and faces down. It screws in and out vertically, whereas the oil drain is horizontal

Posted on Apr 30, 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

  • 116 Answers

SOURCE: no oil pressure for my 2005 Harley-Davidson Ultra

camplate check valve sticking,good time for an upgrade SEcamplate,hydraulic camchain tensioners,high volume oil pump,comes as complete kit for about $420. add another $150 for adjustable pushrods and never worry about it again,or replace the existing component youd save maybe $180 bucks but youll be back
thats why they changed the camplate and tensioners in 07, I just did the complete conversion on an 02 heritage it costed with labor about 1100 in your case your looking at 7 to 800 dollars just to get you going for another 30 or 40,000 miles or less and then do it again Im for a 1 time fix myself

Posted on Apr 26, 2010

  • 36 Answers

SOURCE: changed oil in my 2002 ultra classic and when i

No oil pressure isn't good. Sounds like an air bubble may of got in the system. Try this to prime the oil system after an oil change. Pull the spark plug wire off the plug. Now turn the motorcycle over and see if you can prime the oil system. This should cycle the air bubbles through without harming the engine. If that doesn't work, try draining the oil again, and prime before you start. If none of that works, your oil pump may have fail.

Posted on Jul 17, 2010

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On a 09 ultra classic what is the proper oil pressure? 10 different people give ten different answers.


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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Vw polo, 1.4 petrol, 1996. when slowing down revs drop and car stalls and can be difficult to start again. when driving it can suddenly get abit jerky, no power from accelerator then loses the revs and...


HOT/WARM START ISSUE


Its a hot start issue.

Can be related to low fuel pressure or problem with crank sensor.


Also it can be weak battery or starter.


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===========

These details will help.

Thanks.

Nov 28, 2012 | Cars & Trucks

1 Answer

1997 Jeep Cherokee Sport hard to start after its warm and fluctuating oil pressure


Hi there:
It sounds like it could be oil pressure sending unit. I would check the connection on the sending unit. Below are the procedures for checking the sending unit, If it checks out good I would have a mechanical gauge set up to measure the pressure.

TESTINGTo test the normally closed oil lamp circuit, disengage the locking connector and measure the resistance between the switch terminal (terminal for the wire to the warning lamp) and the metal housing. The ohmmeter should read 0 ohms.To test the sending unit, measure the resistance between the sending unit terminal and the metal housing. The ohmmeter should read an open circuit (infinite resistance).Start the engine.Once again, test each terminal against the metal housing:The oil switch terminal-to-housing circuit should read an open circuit if there is oil pressure present.The sending unit-to-housing circuit should read between 15-80 ohms, depending on the engine speed, oil temperature and oil viscosity.To test the oil pressure sender only, rev the engine and watch the ohms reading, which should fluctuate slightly (within the range of 15-80 ohms) as rpm increases.If the above results were not obtained, replace the sending unit/switch with a new one.

Hope helps.

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2 Answers

Ny nissan 1994 cefiro model has what you call hiccups when driving, fuel pump has been changed including spark plugs, change oil done, cleaned the air intake as well, still has the hiccups?


Did you change spark plugs wires? fuel filter? I do not know if your car has MAF sensor, but if it does, clean it. Use CRC- Mass Air Flow Sensor cleaner. also check Spark Plugs Gap and coil (s)

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1 Answer

I want to change my motor oil which is the drain plug, i smell exhaust fumes untill the motor warms up?2000 ultra clasic


The oil tank is on the bottom of the transmission. There are two drain plugs. The drain located about the center of the oil pan is the transmission drain plug. The drain plug nearest the front left of the oil pan is the engine oil drain.

A rich smell to the exhaust fumes when the engine is cold is typical. The computer on your bike (and your car) senses that the engine is cold and requires a slightly rich mixture to run. When the engine warms up, the computer leans the mixture back out. This is why you don't have a "choke" on your bike, the computer changes the injector dwell time to richen the mixture instead of you having to use a choke.

Apr 12, 2010 | 2000 Harley Davidson FLHTCUI Electra Glide...

3 Answers

OIl pressure is 0 at idle, warm or cold. It comes up as soon as you rev the engine. 1998 4.0 L Ford Ranger.


The gauge must be lying to you or your engine would be knocking and seized up on you by now,Replace the oil sending unit and this should fix you up.

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Oil pressure gauge reads normal when first starts. as it warms up, gauge goes to zero. If I rev engine, gauge goes back to normal.


Two things...when it reads zero, is there any engine noise (tapping or knocking)? After you rev the engine does the pressure read normal at idle and function normally, or does it go back down? Either way, you should not drive the vehicle 'till you have a mechanical gauge (yours is electro-mechanical) put on there and the actual pressure is tested. The condition may be a bad sending unit, a bad bearing or possible obstructed oil pump screen. The repair is obviously different for each one and the price is as well.

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2 Answers

Oil presser is high when frist started once warm it drops


Perfectly normal. Oil thins out when it gets hot. As long as hot oil pressure remains within the recommended range you are fine. Use the correct grade (weight) of oil listed in your owner's manual.

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1 Answer

Oil pressure high when engine cold. but fine when engine is warm


It is normal for oil pressure to be higher when the oil is cold. As the oil heats up, it will thin out. Since your oil pump is driven faster with the acceleration of the engine, your pressure will also increase. On a engine up to full temp, your oil pressure will probably be around 20 psi and maybe up to 60 at full load. But on a cold engine, you may see 60 psi at idle. I dont know if your high oil pressure is causing your vehicle to stall, but maybe your running the wrong weight/type of oil for your truck. If you live in a extreme cold area, you may want to look into a block heater to help warm up your engine faster.

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