WHAT STOPPED THE LIFTER NOISE 2011 DODGE GRAND CARAVAN

52829 Views 38 Replies 11 Participants Last post by TaxiGirl, Jun 10, 2017

TaxiGirl

Discussion Starter · Oct 15, 2016

Over a year ago, I had to get one of the heads opened in order to replace #3 and #5 rocker arms. Well about 6 months ago, I started having the ticking noise again. I put up with it for a month or so,
I found a video on Youtube that was talking about using Marvel Mystery Oil and although I have added it oil before in small amounts, I had never used as much as a quart. Mostly, I put it in the fuel tank. This time instead of using 6 quarts of synthetic oil, I used 5 quarts and used 1 quart of Marvel Mystery Oil. After about 3 days the noise stopped and has not come back for over 3 months. Every oil change I started to do the same thing. At first I was using 5w30 and the last time to 5w20 but, I think i will go back to 5w30 because the Mystery Oil is real thin. BTW it smells really good also..

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TaxiGirl

Discussion Starter · #2 · Oct 15, 2016

BTW i do not get a dime for offering this suggestion. I am surprised that it worked.

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TaxiGirl

Discussion Starter · #6 · May 27, 2017

PCRMike said:
I would not recommend running it all the time, but have used it as a flush for ticking lifters and sludge. I also use it in fresh engine builds as a supplement to "finish" the bores during the first thousand miles.

It only worked for about 6 months to quiet the lifter noise. Now, i am going to have to open up the engine and replace some things to stop the noise. Hopefully, it is not more than the camshafts, timing chains, valve lifters and arm valves thingys

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TaxiGirl

Discussion Starter · #8 · May 28, 2017

chuckt said:
Is that tongue in cheek humor, Taxi Girl? After camshafts, timing chains, valve lifters and rocker arms, all that is left are the nuts and bolts. Does MMO also cure baldness?

LOL, no I used the MMO for a while first, But, I just got all of the parts in that I ordered from MOPAR camshafts, etc. So now I hope that I can stop the noise for real. Since, the noise came back, I do not praise the MMO any longer.
BTW, a mechanic recently told me that my oil was too thin and that is why I have the lifter noise. I do not think that is true and it makes more sense to me that if the oil is too thick as in 10W40 that the motion of the lifters or valve moving up and down would itself causing sticking and and create a vacuum which would cause that noise. What do you think?

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TaxiGirl

Discussion Starter · #11 · May 28, 2017

chuckt said:
Hmmm. Hydraulic lifters are pumped up by the oil and a too low viscosity will cause the lifter to bleed too quickly---equals noise. Now, viscosity will lower metal-to metal contact was it builds a thin surface between mating parts. But like a hammer hitting a nail, that type of contact isnot where the oil's viscosity is effective. Sort of like looking at gears. Hypoid and then worm and worm wheels have greater sliding contact forces than involute gear profiles so heavy duty oils are specified (by that I mean HD oils with great shear strength).
In this regard, I have a story. We had a problem with a foreign-designed piece of machinery that was pistol-hot when operating because it had a hypoid gear set (we're talking maybe 1,500 hp). We tried increasing oil flow and adding some circulating holes. No significant change. Finally, I asked a Mobil rep to take a look. He studied the design and returned with a recommendation. Change to their HD series and we would see a 25% reduction in heat. We tried it and BOOM, the gearbox cooled significantly. The oil was designed for the higher shear forces created. Also note that oil does not take away heat but doesn't allow it to be created. Which is what synthetics do in comparison to dinosaur oils (in synthetics, per him, all the molecules are one size).

So HD oil meaning 20W-50? That's really thick. So, my theory is off. Not surprised. I sometimes get something in my head and since it makes sense to me, I run with it. Thank you for this useful information. Now, I wonder if maybe for my engine I should put 10w-30 with 318K miles instead of using the 5w-20 or 5w-30? Synthetic of course.

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TaxiGirl

Discussion Starter · #19 · May 30, 2017

chuckt said:
AMEN to that! Trying to mask a problem doesn't correct it and that same lubricant also affects the other mechanicals in the motor.

Do you think the engine tick noise could very well just be the roller rockers? Even with having 318K miles as in this video?

View: https://youtu.be/iHVWD-SXQiQ This not MINE. JUST A VIDEO I FOUND WHERE HE MAKES IT SOUND SO SIMPLE

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TaxiGirl

Discussion Starter · #21 · May 31, 2017

chuckt said:
TaxiGirl, this thread is related to your other thread in which your title asks how long you can run with a broken rocker. And in the other thread, you talk about the familiar ticking sound. Am I missing something that is different between these two threads? The video you just posted at 1:31 is what was covered in the other thread. Or are you now asking if you can get some mileage by using a different lubricant?

No, basically I was thinking that since thus master mechanic told me that I needed to replace all of the camshafts, all of the timing chains etc. that in fact that is what it needed and not just another couple of bad bearngs in a couple of the roller rockers. I have spent thousands on keeping my van running to this point and just do not wanna keep throwing money in it unnessarily

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TaxiGirl

Discussion Starter · #22 · May 31, 2017

chuckt said:
GLHS60 is correct. No oil is going to correct a worn part or overly loos tolerances. Sort of like saying that some miracle oil will reduce piston slap when the source is too short a skirt or/and too loose a tolerance between piston and bore.

In fact the noise did go away completely for 6 months.

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TaxiGirl

Discussion Starter · #25 · May 31, 2017

GLHS60 said:
Let me say this again please, if any oil change or supplement reduced or eliminated the noise it is hydraulic lash adjuster related.

oil = hydraulic

Remember the STAR Case bulletin, S1309000016 I posted on one of your threads??

If one follower is faulty, its recommended to replace them all.

Oil will not repair a faulty follower for 6 months, 6 days or even 6 minutes.

Thanks
Randy

What is a follower?

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TaxiGirl

Discussion Starter · #31 · Jun 2, 2017

GLHS60 said:
Follower = rocker arm
Lash adjuster = lifter

Thanks
Randy

So, buying all four camshafts, 24 roller rockers, timing chains, if I did not get the actual lifters, I may still have the noise?

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TaxiGirl

Discussion Starter · #34 · Jun 5, 2017

pt006 said:
Yes, if some of the lash adjusters are weak or sticky. After putting all this money into the job, I'd change all the lash adjusters. To add, because of having rollers on the cam followers, the camshaft surfaces may last a while longer. A good inspection of them including the cam bearing surfaces should be done before making that decision. Then again, time is money.

Others could give you advice on the timing chains. The chain replacement looks like a big job.

Yes, i got all of the rockers already. I will get the lash adjusters but, I do not think they are called that on Moparonline. Since the ticking noise and maybe before I havr noticed a loss in power when accelerating, especially on a small hill like coming out of the airport. It is like it air restricted and even it does not pickup until i am on level ground. IT usred to have a lot of power and did whatever i wanted it to, but its sounds like the airtake pipe to the airbox is disconnected. Do you know what I am saying? but, it is not unhooked. The air filter is fine. The plugs were changed about 45k miles ago, I cannot find a vacuum leak, both cats were replaced 150k miles ago. Its like something is just not there like it was before. I had hoped that all of these parts would helped but the more I think about it, except for making the noise go away, I am second guessing the advice to order all those parts. Especially when it could just be lash adjusters and rollor rockers.

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TaxiGirl

Discussion Starter · #35 · Jun 5, 2017 (Edited by Moderator)

Ray Green said:
I think it was my 1996 3.0L that I replaced all those little things I called lash adjusters. They were a steel slug with a hole for the oil pressure to build. Sure quieted that engine down though.

But did it run any better?

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TaxiGirl

Discussion Starter · #37 · Jun 6, 2017

pt006 said:
Yes, if some of the lash adjusters are weak or sticky. After putting all this money into the job, I'd change all the lash adjusters. To add, because of having rollers on the cam followers, the camshaft surfaces may last a while longer. A good inspection of them including the cam bearing surfaces should be done before making that decision. Then again, time is money.

Others could give you advice on the timing chains. The chain replacement looks like a big job.

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TaxiGirl

Discussion Starter · #39 · Jun 10, 2017

pt006 said:
What Chrysler calls valve lifters [from above] they also call 'tappet valve lash' at the bottom left side of the page. The diagram is too small for me to see much.

Thank you. I ordered everything else but thise and it turns out thise are the things that i need.

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WHAT STOPPED THE LIFTER NOISE 2011 DODGE GRAND CARAVAN

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