Bad lifter?
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Cruiser
Joined: May 2024
Posts: 125
Likes: 91
From: Tullahoma TN
Have a listen at a crap video.....
It's 100% the front cylinder. I pulled the rods back out this morning & switched the inlet & exhaust side, just to see but it made no appreciable difference. I've got a top end gasket set ordered.
It's 100% the front cylinder. I pulled the rods back out this morning & switched the inlet & exhaust side, just to see but it made no appreciable difference. I've got a top end gasket set ordered.
HDF Community Team
Joined: Dec 2005
Posts: 5,375
Likes: 2,570
From: NC USA
You don't need to take it all apart. Lay the front rod out and take the plugs out. Lay a rag over the tappet guide but not in the hole. Turn the engine over for 15 seconds. Wait 2 minutes then give it another15 seconds. Maybe one more time. The lifter should have oil laying in the top of it but wait a few more minutes to let out any bubbles. Put it all back together.
Feulings are a sob to bleed out and that's when I started doing that with any new lifter.
Feulings are a sob to bleed out and that's when I started doing that with any new lifter.
Thread Starter
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Cruiser
Joined: May 2024
Posts: 125
Likes: 91
From: Tullahoma TN
You don't need to take it all apart. Lay the front rod out and take the plugs out. Lay a rag over the tappet guide but not in the hole. Turn the engine over for 15 seconds. Wait 2 minutes then give it another15 seconds. Maybe one more time. The lifter should have oil laying in the top of it but wait a few more minutes to let out any bubbles. Put it all back together.
Feulings are a sob to bleed out and that's when I started doing that with any new lifter.
Feulings are a sob to bleed out and that's when I started doing that with any new lifter.
I checked the screen, also fine.
Reset the front rods & fired her up. Quiet as a new engine, until the rocker covers get hot, then taptaptaptaptaptap......
HOWEVER......
I slipped, while I was listening to the top end, via a 12" ź drive extension & hit the front exhaust pushrod tube & there was instant silence. Take pressure off the tube, tappity-tap-tap. Push the middle of the tube towards the cylinder: silence. Release pressure & you know the noise.
The sumbitch pushrod is somehow impacting the TOP of the inner pushrod tube.
Now, I have no idea what to do about that at all! Just replace the tube? Rod & tube? Buy a twincam? (I kid! 🤮 )
Seasoned HDF Member
Joined: Nov 2006
Posts: 12,878
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From: la la land jerzey
We never had an issue with evo lifter pumping up - but the click 90 percent of the time its the lifter roller
sorry if someone else has said that already but that is usually the cause - i did read you went over the adjustment and as soon as the oil started to warm it came back-
sorry if someone else has said that already but that is usually the cause - i did read you went over the adjustment and as soon as the oil started to warm it came back-
Thread Starter
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Cruiser
Joined: May 2024
Posts: 125
Likes: 91
From: Tullahoma TN
We never had an issue with evo lifter pumping up - but the click 90 percent of the time its the lifter roller
sorry if someone else has said that already but that is usually the cause - i did read you went over the adjustment and as soon as the oil started to warm it came back-
sorry if someone else has said that already but that is usually the cause - i did read you went over the adjustment and as soon as the oil started to warm it came back-
I've got new inner tubes on their way. Better safe than sorry, for $35
Thread Starter
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Cruiser
Joined: May 2024
Posts: 125
Likes: 91
From: Tullahoma TN
New pushrod inner tube fixed it!
i just ran a quick 90 mile circuit & the engine is a quiet as a new one! 😃
Funny how it's the little things that getcha......
i just ran a quick 90 mile circuit & the engine is a quiet as a new one! 😃
Funny how it's the little things that getcha......
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Aug 10, 2012 01:35 PM