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Sticky Lifter


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#1 pshojo

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Posted 15 August 2017 - 12:27 PM

I believe I have a sticky, or lifter that drains down sometimes.  It makes a little noise 1/2 the time on start up, then goes away after a block or two.  Any suggestions? I'm thinking running some transmission oil through for 5-10 minutes before oil change then Marvel Mystery? Thoughts?



#2 94 olds vert

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Posted 15 August 2017 - 12:28 PM

I have tried the transmission fluid in my oil on my 3.4l dohc. It helped quite down that lifter tick for a little while

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#3 digitaloutsider

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Posted 15 August 2017 - 12:42 PM

If it's truly a sticking lifter, just dump the MMO in there now and run it for a while (could honestly run with it for a full OCI). Wouldn't bother with the transmission fluid.


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#4 Imp558

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Posted 15 August 2017 - 08:15 PM

Tranny fluid tends to coagulate when it gets hot. I'd be more prone to try mmo or a slick 50 type product that forms smaller molecular chains in an attempt to penetrate and lube the lifter. Stuff that's supposed to quiet an engine is usually thick.

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#5 Schurkey

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Posted 16 August 2017 - 03:57 PM

I believe I have a sticky, or lifter that drains down sometimes.  It makes a little noise 1/2 the time on start up, then goes away after a block or two.  Any suggestions? I'm thinking running some transmission oil through for 5-10 minutes before oil change then Marvel Mystery? Thoughts?

WHAT ENGINE???  WHAT CAR?

 

The 3.4L DOHC in the early W-body had a service bulletin about noisy lifters when cold.

http://www.60degreev...ifter-tick-cold

 

Having performed the modification on one of my own cars, I think it's a dodge to avoid dealing with piston slap.

 

Trans fluid MIGHT work.  MMO MIGHT work.  Seafoam MIGHT work.  Gunk Engine Flush MIGHT work.  Thirty other dissolve-and-flush-the-crud-in-your-engine products MIGHT work.

 

My guess is that none of them will make any difference.  But you won't know until you try.


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#6 pshojo

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Posted 17 August 2017 - 08:52 PM

Can you do this mod 3.4 on the car? the funny thing is my 3.8 does this too only from time to time.



#7 Schurkey

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Posted 27 August 2017 - 03:25 AM

Can you do this mod 3.4 on the car?

Yes, but it's way less fun.


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