[sj01fltri]

My buddy just picked up his 2016 RG Special.So on his first ride he noticed a puddle of oil in the garage,total of 31 miles(to and from work) so he calls the dealer they come pick it up on Thursday he stops by the shop on Friday to see whats up.Well seems that the oil return in the front head was never drilled,so the tech tells him that now would be the time to install cams,since they said the labor would be free,plus they gave him 20% of all the up grades,air cleaner,pipes ect.So a bad situation turned out okay after all.

 

[Taccone]

Blessing in disguise! I had something similar happen to my 2012 Road Glide right after I bought it new. Motor locked up because the MOCO forgot to put thread locker on the cam plate which made it walk off the push rods locking the motor up. Only slight damage to the orig cam's and they said they'd give me 20% off everything so I went with all Screaming Eagle stuff. All of it was covered by warranty, I only had to pay the difference. I'm happy that I got upgraded stuff for free, but if I were to pay to change my cam again I'd def go bigger, like a Frank's Drago cam or Woods Knight prowler cam.

 

[sj01fltri]

He is going with T-Man 600 cams,the dyno guy who is well respected in our area suggested them,with a TT Mastertune and a Stage one AC,new headpipe and mufflers.

 

[Ohiobellboy]

Quality control at it's best:frown:

Glad your buddy is okay with the deal. Sounds like the dealer is a doing good by him.

 

[Hullhorr]

Glad it worked out for him. Not sure I buy their reason for the oil leak though. I don't see the return hole in the head causing a leak externally. Why would it be free labor to do cams? If the problem is in the front head there is no reason to go into the cam chest. I'm always a skeptic though.

 

[sj01fltri]

The tech took him back to show it to him,he blew air into the rear head were the air cleaner bolts on and you could hear air coming into the cam chest.When he blew air into the front head,zero just blow back from the air cleaner mount hole.The tech also told him that there was excessive amount of oil inside the front rocker box.This shop has a very good reputation for being a no bullshit shop.

 

[Smarty]

The tech took him back to show it to him,he blew air into the rear head were the air cleaner bolts on and you could hear air coming into the cam chest.When he blew air into the front head,zero just blow back from the air cleaner mount hole.The tech also told him that there was excessive amount of oil inside the front rocker box.This shop has a very good reputation for being a no bullshit shop.

Hmm, that sounds like the umbrella valve was put in backwards. Strange.

 

[Wood]

The heads were probably machined on a CNC, instead of being drilled out manually. If one head was machined incorrectly on a CNC, there are probably more out there. Its hard for me to believe that a head was machined incorrectly on a CNC. Is the head oil path really the problem as the Tech indicated or is it another problem as others have already noted?

This raises more questions regarding Harley's poor quality, reliability and ability to manage their suppliers given the high prices we pay for these bikes.

 

[ironmark]

It would seem very unlikely that the breather hole wasn't drilled because most of the machine work done to the cylinder heads is a computerized operation. Like mentioned the umbrella valve may have been faulty.
Also if the cylinder head needed to be drilled it would seem that the HD dealer would just replace the head because there would be no need to open the cam chest if they cut the pushrods and installed adjustable pushrods, they may have to open the cam chest if the leak was from that area but a oil leak from a crankcase breather problem isn't likely.
The oil was probably coming from the air cleaner because the crankcase pressure was too high and it was only venting out of 1 cylinder.

 

[15fltrxs]

It is highly unlikely that the machine process was compromised at manufacturing. Dealers pull bikes in and out for display. If they don't bring the motor to operating temperature condensation will cause the oil to turn to a buttery substance. The blockage will cause the motor to sump and leak out the air cleaner. The fixed would require changing the breathers, cleaning out the breather passages and changing the contaminated oil and filter.

 

[Smarty]

It is highly unlikely that the machine process was compromised at manufacturing. Dealers pull bikes in and out for display. If they don't bring the motor to operating temperature condensation will cause the oil to turn to a buttery substance. The blockage will cause the motor to sump and leak out the air cleaner. The fixed would require changing the breathers, cleaning out the breather passages and changing the contaminated oil and filter.

Yup, the very first thing I do after installing the heads and the rocker boxes is take a rubber hose that fits inside of the breather bolt holes and try and blow and then suck. If it sucks you are fine, if you can blow the umbrella valve is faulty or in backwards.

 

[sj01fltri]

I am fully aware of the operation of CNC equipment,i work in a tool room with CNC equipment every day,just because it is a CNC doesnt mean it cant mess up.I see it all the time.Software and boards go bad.They did pull the front head and after inspection found that the hole for the umbrella valve was about an 1/8 short of breaking thru,who knows drill could have gotten dull and pushed up in the holder,or if the drill was replaced could have been a bad tool touch off.

 

[sj01fltri]

Yup, the very first thing I do after installing the heads and the rocker boxes is take a rubber hose that fits inside of the breather bolt holes and try and blow and then suck. If it sucks you are fine, if you can blow the umbrella valve is faulty or in backwards.

But then you are not standing at an assembly line putting heads on a engine every day,just like any manufacturing plant the guy down the line expects the parts coming to be correct.

 

[Sleepybagger]

Yup, the very first thing I do after installing the heads and the rocker boxes is take a rubber hose that fits inside of the breather bolt holes and try and blow and then suck. If it sucks you are fine, if you can blow the umbrella valve is faulty or in backwards.

The thought of someone blowing and sucking my virgin motor is quite disturbing.

 

[Smarty]

The thought of someone blowing and sucking my virgin motor is quite disturbing.

You my friend are very sick! lol

 

[sj01fltri]

Okay update if i put bad info out i am the first one to say i was wrong either by way of misunderstanding,misinformation or i was just full of shit.So here is the deal,it was the rear cly not the head,the oil retutn holes were not drilled in the cly so some where down the line everything was missed.So makes you wonder how many more are out there.

 

[sj01fltri]

another view.

 

[Wood]

Can someone explain how the oil, that didn't make it through the "undrilled" oil return path in the rear cylinder, make its way onto the garage floor? Did the oil just puke out through the air cleaner and eventually dribble onto the floor?

 

[sj01fltri]

According to my buddy oil was laying on the engine case between the lifter blocks,must have came out of the air cleaner.

 

[Ohiobellboy]

another view.

You forgot to add the pix >