Does your 4.7L have "lash adjuster noise" - Dakota Durango Forum
4.7L/4.7L HO/4.7L Gen II Engines Questions regarding the 4.7L V8 engine

View Poll Results: Lash Adjuster Noise
Yes 50 72.46%
No 19 27.54%
Voters: 69. You may not vote on this poll

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post #1 of 81 Old 07-01-2011, 02:59 AM Thread Starter
trad444
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Does your 4.7L have "lash adjuster noise"

Yes or no
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post #2 of 81 Old 07-01-2011, 04:51 AM
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I'm a no


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post #3 of 81 Old 07-01-2011, 05:38 AM Thread Starter
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post #4 of 81 Old 07-01-2011, 03:19 PM
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Mine ticks away for about a minute after a cold start. Quiets down once it runs a little.
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post #5 of 81 Old 07-01-2011, 04:54 PM
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I voted yes, but only for a minute or so after it's sat for a while. Pretty much silent after that.
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post #6 of 81 Old 07-01-2011, 05:11 PM
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Quote:
Originally Posted by caulk04 View Post
I voted yes, but only for a minute or so after it's sat for a while. Pretty much silent after that.
Mine is the same. All these 4.7s seem to do it, so I guess it's normal. Being a mechanic, my Dak gets more oil changes than it really needs and I have great oil pressure (according to the cluster guage anyway!).
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post #7 of 81 Old 07-01-2011, 05:59 PM
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Quote:
Originally Posted by caulk04 View Post
I voted yes, but only for a minute or so after it's sat for a while. Pretty much silent after that.
Quote:
Originally Posted by BlueDingo86 View Post
Mine ticks away for about a minute after a cold start. Quiets down once it runs a little.
Ditto as these two
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post #8 of 81 Old 07-01-2011, 06:29 PM
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what's a lash adjuster noise?
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post #9 of 81 Old 07-02-2011, 01:09 AM
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I voted no, as the ticking I get at startup is a broken exhaust manifold stud. Very common on 4.7s. Also a great excuse to get headers

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post #10 of 81 Old 07-02-2011, 03:44 AM
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nope. still factory lash adjusters


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post #11 of 81 Old 07-02-2011, 04:20 AM
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Quote:
Originally Posted by caulk04 View Post
I voted yes, but only for a minute or so after it's sat for a while. Pretty much silent after that.
Same for me.

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post #12 of 81 Old 07-02-2011, 04:24 AM
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Because no one wants to answer me..

I assume the crappy sound it makes when its started in the motor? Yeah my truck sounds like that for a few minutes. Then it's smooth and too quite. Makes me have to check the RPMs and I hate wasting my valuable time doing so - I should be texting.
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post #13 of 81 Old 07-02-2011, 04:27 AM
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Quote:
Originally Posted by PDR1878 View Post
Because no one wants to answer me..
Basically speaking, its a lifter tap noise. 4.7Ls are SOHC motors so they don't have traditional lifters, they have a much smaller version of a lifter called a lash adjuster that basically keeps the cam followers in constant contact with the camshaft and the valve at all times, they work in the exact same way as a lifter they just don't move.

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post #14 of 81 Old 07-02-2011, 05:30 AM
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That's a big yes for me!

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post #15 of 81 Old 07-02-2011, 05:47 AM
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Ahh good to know.

I had a Titan. Had a tick and nothing would get rid of it. You couldn't hear it standing outside infront of the truck, but open the hood and you could hear it with ease.

Nothing new to me.

Good schooling on me though. At least now I know what it is..didn't even know they had something like that
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