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Author Topic: Leak on the back side of the Inner Primary  (Read 9185 times)

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cahdbiker

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Re: Leak on the back side of the Inner Primary
« Reply #15 on: August 16, 2014, 09:28:43 PM »

LouFXR4, if you have any doubts about the tightening of the primary chain tension bolts here is something I do when I don't trust my torque wrench or it seems like what I am being told is too much torque for a certain size bolt. Hopefully you have not removed the bolts yet. If that is true, clean the area around the bolt heads. Then mark the bolt head with a permanent marker and also put a mark next to it on the inner primary cover. When you are torqueing your tensioner bolts after you have reapplied the silicone keep checking until you hit the mark you made. If it feels tight or the torque wrench clicks at that point then you are all right. If it clicks sooner it could be that they were overtightened and that is what caused the leak. If you get to the mark and your torque wrench doesn't click use caution and go an 1/8 of a turn and see if it clicks. You can always retighten, but tapping and rethreading are a lot of work. On my 09 I checked the trans and engine drain bolts after the 1k service and neither was torqued properly. I had made a mark prior to touching them with a wrench and when I finally torqued them I had to turn about an 1/8th of a turn farther. I know that sounds trivial, but when I loosened them  prior to retorquing  they didn't feel tight at all. Seems like the extra 1/8 inch made a difference. Let us know how it turns out. CAHDBIKER.
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LouFXR4

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Re: Leak on the back side of the Inner Primary
« Reply #16 on: August 18, 2014, 04:53:01 PM »

CAHDBIKER, thank you for that suggestion, I have not loosened anything yet and will definitely use your technique. I'm thinking my old torque wrench from the 1970's may need to be replaced with something a little more accurate. I'll post photos when I get into the primary and find out what the heck it all looks like from the inside. My job and the weather have me and bike work on hold for a little while. Cheers, Lou
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LouFXR4

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Re: Leak on the back side of the Inner Primary
« Reply #17 on: September 01, 2014, 08:19:43 PM »

OK, I'm back and "What a long strange trip it's been". I went to one of our local Harley shops and took a photo of the leak with me. The service man (generous description) said it was a crappy repair done in the past by someone, certainly not Harley. I went to the service guys and the guy there was stumped too. Went back to service and he printed a couple of charts from the service manual but could not help. Went back to service and a new guy there said that no way was that a Harley glob of silicone. I was persistent and finally he went to ask the owner I guess, but he came back and said it was indeed a stock application of silicone and it would probably take at least three tries to fix. I bought the fluid and gaskets and tore into the primary.

I was physically sick (nice way of saying I crapped my pants). The primary chain adjuster was about to fall the efff off. I have been noticing a little bit of a clunk in the gears when I first start but there was no huge indication of the severity of the problem. I'll have to post a few photos but they show the play in the adjuster, the worn screws and the damage to the support bracket. The fluid was filthy but there was not a lot of metal on the magnetic plug

The torque on the primary chaincase cover bolts were all over the place when I was taking it off and I could not get close to the recommended torque when reassembling with a calibrated torque wrench. I also used about 40 ounces of Harley fluid in the primary to get to the correct level. Took a short ride today, shifts were smooth and I'll see what the repair looks like tomorrow.

All I can say is I had a 5000 mile check about 3000 miles ago which should have included a check of the chain and I will do every bit of work I can in the future. I will upgrade the tensioner when this one is done.
« Last Edit: September 08, 2014, 10:58:14 AM by LouFXR4 »
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LouFXR4

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Re: Leak on the back side of the Inner Primary
« Reply #18 on: September 01, 2014, 08:28:23 PM »

A second look at the loose bracket.
« Last Edit: September 02, 2014, 07:33:14 AM by LouFXR4 »
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LouFXR4

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Re: Leak on the back side of the Inner Primary
« Reply #19 on: September 01, 2014, 08:29:39 PM »

A look at the damage to the support bracket from the chain rubbing against it and probably normal wear on the shoe.
« Last Edit: September 02, 2014, 07:35:47 AM by LouFXR4 »
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LouFXR4

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Re: Leak on the back side of the Inner Primary
« Reply #20 on: September 01, 2014, 08:31:43 PM »

The finished repair, chain free play about 5/8".
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LouFXR4

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Re: Leak on the back side of the Inner Primary
« Reply #21 on: September 01, 2014, 08:33:55 PM »

These are the screws I removed, the top one came out without a screwdriver. No Locktite is visible. The new Harley screws now have locktite? on them already. I also used red silicone for the plug in the back.
« Last Edit: September 01, 2014, 08:40:40 PM by LouFXR4 »
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Twolanerider

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Re: Leak on the back side of the Inner Primary
« Reply #22 on: September 01, 2014, 09:06:44 PM »

The silicone patch through the drilled/tapped hole was the norm then.  Can't even really blame recently-post-pubescent service staff for not believing that was factory work when it is so different from any contemporary standard they've ever been exposed to.  Glad you're getting it sorted.  The bigger shame isn't the guys now not recognizing something they've never seen that happened decades ago it's that the condition you described was obviously never checked during a service you paid for just a few thousand miles ago.
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LouFXR4

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Re: Leak on the back side of the Inner Primary
« Reply #23 on: September 01, 2014, 10:24:33 PM »

Twolanerider, you are correct. I will do everything I can to learn my bike inside and out and not rely on someone else to protect my LIFE! They had replaced the primary chain case cover gasket at the same time the 5000 mile service was done because the primary appeared to have a leak. I suspect it was the plug all along. A 14 year old bike must seem ancient to a 20 or 30 year old Harley repair/service person. I guess documentation of the variables is lacking, it is not mentioned anywhere in the Harley service manual.

I do not blame the guys I visited this time, I'm not sure how many miles it would take for those screws to work loose,  but  I will ask for a more DETAILED report on any work done in the future and will triple check anything within my abilities. In the future I would like to KNOW they went down the check list and did ALL the work.   

The folks I spoke with agreed that if the support bracket broke loose it could have been catastrophic.

« Last Edit: September 02, 2014, 07:27:02 AM by LouFXR4 »
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wachuko

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Re: Leak on the back side of the Inner Primary
« Reply #24 on: September 02, 2014, 07:43:02 AM »

Glad you got it sorted out. 

Another example of why, if you are not afraid to do so, it is a good idea to do the work yourself.  Not only do you have a better  understanding of the internals of your bike, but you make sure that the work is done correctly.  Using the workshop manual (great investment), youtube, and this forum as source of information will help you learn how to do all this.   :2vrolijk_21:

It is a great feeling to know that you prevented damage to the bike by catching that loose chain adjuster.  :2vrolijk_21:
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Twolanerider

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Re: Leak on the back side of the Inner Primary
« Reply #25 on: September 02, 2014, 11:22:50 AM »


I will do everything I can to learn my bike inside and out and not rely on someone else to protect my LIFE!


That's something that is too often simply not recognized; that mistakes in service to a bike can have dire or even fatal consequences.  If a tech at a dealership leaves a snap ring off a mainshaft or forgets a cotter pin and leaves a castle nut loose on an old cars front wheel bearing the worst that likely happens is a wheel falls off or a tranny locks up and the car slids to the side of the road.  Likely traumatic, perhaps mildly injurious, maybe staining of one's underwear; but not much more than that.

On the bike, however, if a primary locks up at speed or an engine or a transmission seizes the result is very likely catastrophic.  Loss of control of the bike with the rider and potentially his family member riding with him becoming little more than the ballistic projectile ejected from the ex-machine cum paperweight now uncontrollably bouncing down the highway or ditch or other random pathway that geometry and force and motion have combined to dictate.
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LouFXR4

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Re: Leak on the back side of the Inner Primary
« Reply #26 on: September 02, 2014, 12:37:15 PM »

On the bike, however, if a primary locks up at speed or an engine or a transmission seizes the result is very likely catastrophic.  Loss of control of the bike with the rider and potentially his family member riding with him becoming little more than the ballistic projectile ejected from the ex-machine cum paperweight now uncontrollably bouncing down the highway or ditch or other random pathway that geometry and force and motion have combined to dictate.

Twolanerider, you have a way with words and that is exactly the scenario I had envisioned.
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Twolanerider

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Re: Leak on the back side of the Inner Primary
« Reply #27 on: September 02, 2014, 01:32:32 PM »

None of us ever wants to  be the bug...  :drink:
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LouFXR4

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Re: Leak on the back side of the Inner Primary
« Reply #28 on: September 02, 2014, 06:39:50 PM »

None of us ever wants to  be the bug...  :drink:
Ain't that the truth! That may be my new mantra if it isn't copyrighted.
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mark

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Re: Leak on the back side of the Inner Primary
« Reply #29 on: September 03, 2014, 07:06:24 PM »

I also used about 40 ounces of Harley fluid in the primary to get to the correct level.

Did you confirm this is the correct amount?  Not familiar with your bike, but If I recall correctly, my '03 SERK required 32 ounces and newer models 36 ounces.

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