EVO All Evo Model Discussion

Sticky stuff leaking from cam chest area

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Old Oct 5, 2019 | 05:41 PM
  #21  
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Originally Posted by dgwv
I had an engine that was loosing the chrome off the cam, lifters, and the bearing was black, and I found it had that goo running out of the cam cover. 33k
And in the OP's case, 21 years, and suddenly it starts melting. I would dig deeper.
 
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Old Oct 5, 2019 | 08:59 PM
  #22  
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Originally Posted by im
That is the CAM sensor and reads as part # 32404-96 per picture.
Did not notice year or model but you are in the EVO forum and it appears to be an EVO motor.
The Original Factory units had a beige sealant while the replacement harley unit has a black sealant.
The original melts as shown sometimes after several years and this commonly presents with hard starting.
Lots of cranking, then more cranking, then more cranking....then you take a break for a minute or two and a light touch of starter button allows motor to come to life.
Your bike is most likely carb since the TWO screws are in the adjustment slots.
The fuel injected bikes had a fixed timing from factory in the round screw/post holes instead of adjustable slots.
There was an issue with aftermarket CAM sensors not being compatible with stock cup for EFI but your bike appears to be carb. so that should not be a concern.
The original and replacement harley part has 3 wires because the tip over sensor is part of the sensor...keep that in mind when looking for a replacement sensor.
The tip over sensor shuts motor off if bike falls on its side.
The orientation of pictures makes it a little difficult to decipher but it looks like something is different at outside of exit hole for wire at bottom of cone.
Might require some cut hex bits and small wrench to loosen bracket that might be holding wire on bottom outside of cone due to clearance.
If replacing with a stock part then just scribe "cone" at triangle to the left of wires then match triangle on new replacement factory part to mark you made on "cone".
Factory part is about $190 and you need two blind rivets or a new cover.
General tools should be fine along with some cut allen/hex pieces for bolts due to clearance.
I would not be surprised if a dealer might want a diagnostic fee ,+ 1.5 hours labor + hand washing/service fee of 10% +tax.
An independent might suggest a simple cost effective after market unit with no tip over sensor (loss of safety feature) and save you some money on labor.
It is not a difficult job and no fluids will be leaked.
The most difficult part would be to make sure that sensor wires are properly situated in sensor connector to bike harness connector.
There are only 3 wires.
The sensor comes without deutsch connector installed since you need to feed it through hole on cone first so that is why some folks have hardwired connectors since they do not want to lie on their back to decipher the deutsch connector.
But the triangle 3 wire connector is no big deal to address in factory style if you pay attention and are using a factory unit.
1998 Dyna Wide Glide EVO and carbureted. Under the wires is a torque brace that once the chrome started peeling I had it black wrinkle powder coated.
 
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Old Oct 5, 2019 | 09:01 PM
  #23  
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Originally Posted by dgwv
I had an engine that was loosing the chrome off the cam, lifters, and the bearing was black, and I found it had that goo running out of the cam cover. 33k
Originally Posted by barneyboy
And in the OP's case, 21 years, and suddenly it starts melting. I would dig deeper.
yeah I’m thinking the same thing so this might become a winter project and I remove the cam for inspection and replacement.
 
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Old Oct 6, 2019 | 04:47 AM
  #24  
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Originally Posted by ClifWideGlide
yeah I’m thinking the same thing so this might become a winter project and I remove the cam for inspection and replacement.

Judging by the rivets in your timing cover I'd say the sensor inside was the original. My original lasted 26 years before it melted. Age and heat will eventually get them all. Nothing to worry about. When I changed out my original sensor I also milled out the back of my cover and added the nuts to act as stand-offs to vent some heat. Works great.




 
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Old Oct 7, 2019 | 05:38 PM
  #25  
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Had some free time yesterday so I started to take it apart. Had to remove the exhaust, RH trans cover, torque brace, seat, battery and tray. The wiring runs underneath the bike and seems to be attached somewhere underneath. I hate working on my stomach! Hopefully by the weekend I’ll get back into it still haven’t decided if i will check the cam and bearing. The cam is stock so I might just go ahead and replace it. Thanks again for all the reply’s and advice!
 
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Old Oct 14, 2019 | 10:07 AM
  #26  
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Ok question for all you’ll that have done cam changes. Can I remove the chrome nose cone from the engine case without removing the push rods and lifters? I just want to inspect the cam and area at this time but may just replace it while apart. I just don’t want to replace just the cam sensor and then have another problem in a month or two. Will I have a problem reinstalling the nose cone with the push rods and lifters still in place if I find nothing wrong or damaged? Thanks again for all the help!
 
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Old Oct 14, 2019 | 11:45 AM
  #27  
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Originally Posted by ClifWideGlide
Ok question for all you’ll that have done cam changes. Can I remove the chrome nose cone from the engine case without removing the push rods and lifters? I just want to inspect the cam and area at this time but may just replace it while apart. I just don’t want to replace just the cam sensor and then have another problem in a month or two. Will I have a problem reinstalling the nose cone with the push rods and lifters still in place if I find nothing wrong or damaged? Thanks again for all the help!
Ya you can if you have adjustable pushrods,but what exactly do you want to inspect cuz there's not much in there breather gear,cam n pinion gear n your gonna have to dump your oil. The cam sensor is separate from the camchest,there is a brass bushing in the cone followed by an oil seal on the cam. You can remove the cam sensor remove the timing cup and see the end of the cam. If ya do make sure to put a scribe mark on the cone to avoid losing your timing mark.
 

Last edited by Rsbenden; Oct 14, 2019 at 11:49 AM.
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Old Oct 14, 2019 | 03:34 PM
  #28  
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Originally Posted by ClifWideGlide
Ok question for all you’ll that have done cam changes. Can I remove the chrome nose cone from the engine case without removing the push rods and lifters? I just want to inspect the cam and area at this time but may just replace it while apart. I just don’t want to replace just the cam sensor and then have another problem in a month or two. Will I have a problem reinstalling the nose cone with the push rods and lifters still in place if I find nothing wrong or damaged? Thanks again for all the help!
No, As explained earlier.
The line-up of parts makes it impossible.
Since the bike had rivets,original CAM sensor and beige goo it reads like a stock unit.
It would seem like your unit is stock but you can also look for marks on bolts for cone in that area.
As suggested back a few posts the CAM sensor plate could have been reached by using some cut allen/hex wrenches to access bolts without removal of exhaust.
Although removing the exhaust does make access more straight forward.
If you decide on changing bearing then might as well start thinking about other stuff like gaskets, lifters, new cam and then make the decision of adjustable push rods or original solid.
It really depends on your pockets, skill set and how much you want to get into the bike.
A Cam sensor and be done or add about $500 USA dollars for parts like rocker gaskets/ lifter block gaskets/cone gaskets, new lifters, new cam, new bearing, seal, adjustable push rods, some misc items and a carb adjustment.
 
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Old Oct 14, 2019 | 04:11 PM
  #29  
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Originally Posted by im
No, As explained earlier.
The line-up of parts makes it impossible.
Since the bike had rivets,original CAM sensor and beige goo it reads like a stock unit.
It would seem like your unit is stock but you can also look for marks on bolts for cone in that area.
As suggested back a few posts the CAM sensor plate could have been reached by using some cut allen/hex wrenches to access bolts without removal of exhaust.
Although removing the exhaust does make access more straight forward.
If you decide on changing bearing then might as well start thinking about other stuff like gaskets, lifters, new cam and then make the decision of adjustable push rods or original solid.
It really depends on your pockets, skill set and how much you want to get into the bike.
A Cam sensor and be done or add about $500 USA dollars for parts like rocker gaskets/ lifter block gaskets/cone gaskets, new lifters, new cam, new bearing, seal, adjustable push rods, some misc items and a carb adjustment.
yes the bike is stock and I’m the original owner/purchaser. The exhaust had to be removed because I have the screaming eagle torque brace which has the cam sensor wires behind it. And yes, I am considering a cam change. What has me worried from a few post back is what caused the cam sensor to melt? Was the cam bearing or cam bushing oil seal in the nose cone damaged from the heat also. At this point from what I’ve read I’m really leaning to do the cam change. The recent thread on the EV13 install has me wanting more power over my stock cam!
 
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Old Oct 14, 2019 | 05:22 PM
  #30  
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Originally Posted by ClifWideGlide
yes the bike is stock and I’m the original owner/purchaser. The exhaust had to be removed because I have the screaming eagle torque brace which has the cam sensor wires behind it. And yes, I am considering a cam change. What has me worried from a few post back is what caused the cam sensor to melt? Was the cam bearing or cam bushing oil seal in the nose cone damaged from the heat also. At this point from what I’ve read I’m really leaning to do the cam change. The recent thread on the EV13 install has me wanting more power over my stock cam!
Most likely age caused your OEM cam sensor to melt.
It's a common problem caused by the materials used by the manufacturer of them.

That said getting that stock cam out of there will put a big smile on your face but you will have to tear down the motor if you want to do it right.
 
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