Faulty oil filter?? - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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  • 1 Post By Thunder~Struck
  • 2 Post By EvoRK
  • 5 Post By Chriscraft
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post #1 of 10 (permalink) Old 07-14-2019, 10:55 AM Thread Starter
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Faulty oil filter??

Hello, New to the forum. (Thanks for accepting)

Just completed an oil change on a 06 Ultra I recently picked up. Used a HiFlo HF 171C, Using Brad Penn 20W-50 partially synthetic.
My question is, after running the bike for 15 minutes , oil pressure dropped to 0, bike started lugging. No leaks, oil level fine. oil light came on,
pulled over trailered bike home.
Has anyone heard of new filters failing? My first time using HiFlo Filters.
Any suggestions or advice appreciated.
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post #2 of 10 (permalink) Old 07-14-2019, 11:02 AM
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HI Canada ! Question, was the engine running good before you did the service ?

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post #3 of 10 (permalink) Old 07-14-2019, 01:05 PM
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I wouldn't go pointing fingers at the filter for dropping OP to zero, but perhaps a problem with the oil pump?

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post #4 of 10 (permalink) Old 07-14-2019, 03:50 PM Thread Starter
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absolutely, engine was 100%, just seemed too coincidental for pressure to drop right after oil change. Just installed new K&N filter & no difference. Going to check sending unit wires, and follow up with pressure gauge if necessary
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post #5 of 10 (permalink) Old 07-14-2019, 03:54 PM
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If it went as last time where you had pressure and then it went to zero.

Crankcase is not breathing correctly

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post #6 of 10 (permalink) Old 07-14-2019, 04:21 PM
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FWIW
Synthetic blends are a waste of $$.
Has been proven to have no benefit over fossil.

We now return you to the original reason for your posting.

Quote:
Originally Posted by Chriscraft View Post
.....Going to check sending unit wiresb, and follow up with pressure gauge if necessary.....
Would say since the drop and lugging corresponded, it is working.
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post #7 of 10 (permalink) Old 07-14-2019, 06:40 PM
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06 Ultra spring cam chain tensioner may have given up the ghost and took out the oil pump. Wouldn’t be the first one
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post #8 of 10 (permalink) Old 07-18-2019, 06:47 PM
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Quote:
Originally Posted by EvoRK View Post
06 Ultra spring cam chain tensioner may have given up the ghost and took out the oil pump. Wouldn’t be the first one
EvoRK, good guess. If the bike sat for months or years and you suddenly start it maybe a cam shoe that was on the edge might just go. Time to take the "points" cover off and do the check.

My Ultra's a 2006 also, I did the SE hyd kit a few years ago. You gotta do it!

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post #9 of 10 (permalink) Old 08-18-2019, 08:15 PM Thread Starter
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Thanks again for the advice/experience
Turns out it was a cam bearing, took a chunk from oil pump. Just weird it happened at precise moment I changed oil.
So tore it down, did screaming eagle cam plate/hydraulic tensioners, fueling cams, 95" big bore kit, Ness air box, Reinhardt true duals. My cheap buy, ain't so cheap anymore. But it certainly moves better when ya twist on it 😎
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post #10 of 10 (permalink) Old 08-19-2019, 06:17 AM
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Thank you for coming back with the cause of the problem!
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