Pentastar 3.6 Recall On Lash Adjusters, Allegedly

[Chunky White]

I wonder if this will affect the GCL 3.6s as well, I have a 2021 GCL and it has a noticeable tick at cold startup and once warmed up it fades away. Oil levels are good, unless that's normal at cold start and the oil has to reach the top of the engine?

I had a similar issue with an Ecoboost f150 and it was the cam positioning sensor which caused the problem. Not the same engine as the 3.6 pentastar but if you heard the rattle at start up it was around $4,000 to fix and covered by Ford in parts of the North America but my local dealer would never fix it. So I am hear now instead of the F150 Forum.

I believe the Hellcat has had issues with the same sensor and so has some GM vehicles that I have heard of

Sponsored

 

[ShadowsPapa]

That is a pretty narrow manufacture range. Would really like to see a paper copy of this or at a minimum some reference numbers of what this so called "recall" is.

I still have the nagging feeling this is a TSB or a service campaign and not a true NHTSA issued recall.

Sounds like they know of a bad batch of lash adjusters and not addressing anything of the ticking issues that the Gladiators have reported since launch.

Sounds like an RRT and/or "customer satisfaction" bulletin. Those get called "recalls" by the dealerships. They've even written up a couple of them on my paperwork as "recall" when it's not a NHTSA recall. It will never show up as a recall, ever. RRTs can also be released as TSBs.
I don't care that the dealer says it's a "recall" - likely it's a RRT or TSB (or released as both)

Anyway, concur with all you have mentioned.

Mine, build date late June 2022, is quiet and smooth. (just like my 2020 was) so VERY curious about the true build dates impacted, not just "between June and April" as that could mean it does include June and April, or only parts, or neither.

 

[ATL_Rubi]

Sounds like an RRT and/or "customer satisfaction" bulletin. Those get called "recalls" by the dealerships. They've even written up a couple of them on my paperwork as "recall" when it's not a NHTSA recall. It will never show up as a recall, ever. RRTs can also be released as TSBs.
I don't care that the dealer says it's a "recall" - likely it's a RRT or TSB (or released as both)

Anyway, concur with all you have mentioned.

Mine, build date late June 2022, is quiet and smooth. (just like my 2020 was) so VERY curious about the true build dates impacted, not just "between June and April" as that could mean it does include June and April, or only parts, or neither.

October 22 build date, small tick but it's variable and comes and goes, so I assume it is normal. My dealer rep is pretty good, I'm gonna give him a call tomorrow to see if I need to bring it in.

 

[Minty JL]

Well fuck me!

"Dealer says recall covers all VVL Pentastars built between June 2022 and before April 2023."

Thankfully, no noise other then the injectors.

 

[dmwphoto]

Mine was built in 4/22. no noises so far

 

[ShadowsPapa]

Well fuck me!

"Dealer says recall covers all VVL Pentastars built between June 2022 and before April 2023."

Thankfully, no noise other then the injectors.

Is that inclusive? does it INCLUDE June and April, or is it really between those months?
Does it mean from the first day of June to the last day of April?
No bulletin says "between june and April" - all of them give build dates. It will say "built from 15/06/22 through 05/04/23" or similar terms.
Maybe people, including the OP, are just paraphrasing.

Mine was built in 4/22. no noises so far

4/22 is way outside of his "between June 2022 and April 2023" dates but we don't even know if that's inclusive or not.
Mine was built in that last week of June, 2022, so can't say if it would even be in consideration. We don't know build dates that this one impacts, or any campaign number.

Here's an example of a customer satisfaction bulletin and notice that FCA refers to as a recall - and it's NOT date specific at all. IF your VIN is listed, it's impacted, otherwise it is not. No build dates, only model year - they leave this one WIDE open!

Note - this is an FCA "recall" but is not technically a recall in the real sense. If you don't have the issue, you may not have the work done and it's not going to come under RECALLS on the NHTSA - as far as they are concerned, it's FCA's business and not a recall the government gives a rip about.
So this other isn't going to show up as a recall because it's not a recall outside of FCA's concern.

Dealers are to fix it before selling it. So in that respect, it's an internal to the company recall.
Don't go to the NHTSA site and look for a recall for the lash adjuster or this one here - it ain't.

(Oh, the ZD2 gets you a new left cylinder head if your VIN is affected)

 

[ShadowsPapa]

Well, they were a tiny bit cryptic at my dealership. They said there's no recalls or RRTs, etc. for my VIN but didn't say if there was anything at all on lash adjusters. Just nothing for mine (late June build date, 2022)
But Tony did say this which is why none of you have heard anything at all - and you likely will never hear anything unless you have a problem and go to a dealer to get it fixed.
The OP's call was an outlier, it's what dealers may choose to do as a courtesy.

This is what Tony said about things like this one:
Point of reference you will likely never be notified for an available RRT on your vehicle. That is a courtesy they provide for consumers who service their cars at MOPAR dealerships.

This means that unless you have this problem, you won't hear about a fix for what you don't have unless your dealer chooses to make such calls (most probably will not)
It's not a recall so don't go looking for it.

Bottom line - if you have a loud tick and there's a problem, the dealer will look to see if this applies to you.
If you don't have a loud tick and don't complain, you probably won't hear about this at all unless FCA sends you a card in the mail.
LOL - I guess my take is - much ado about nothing and by being called a recall it's got people all worked up. If you don't have a loud tick or unusual valve train problem, we can move along.
In other words - if you don't have a loud tick or valve train issue - nothing to see here.
This will only apply IF you actually have the problem - then the dealer will determine if this applies.
Not a real recall - can stop looking on the NHTSA web site.

 

[Hootbro]

This means that unless you have this problem, you won't hear about a fix for what you don't have unless your dealer chooses to make such calls (most probably will not)
It's not a recall so don't go looking for it.

Bottom line - if you have a loud tick and there's a problem, the dealer will look to see if this applies to you.
If you don't have a loud tick and don't complain, you probably won't hear about this at all unless FCA sends you a card in the mail.
LOL - I guess my take is - much ado about nothing and by being called a recall it's got people all worked up. If you don't have a loud tick or unusual valve train problem, we can move along.
In other words - if you don't have a loud tick or valve train issue - nothing to see here.
This will only apply IF you actually have the problem - then the dealer will determine if this applies.
Not a real recall - can stop looking on the NHTSA web site.

About what I figured this was going to turn out to be.

 

[LouisvEarlleJT]

February '23 build, guess I'll keep an ear open for ticks and keep on enjoying the drive ?

 

[JW Jeep]

Well, they were a tiny bit cryptic at my dealership. They said there's no recalls or RRTs, etc. for my VIN but didn't say if there was anything at all on lash adjusters. Just nothing for mine (late June build date, 2022)
But Tony did say this which is why none of you have heard anything at all - and you likely will never hear anything unless you have a problem and go to a dealer to get it fixed.
The OP's call was an outlier, it's what dealers may choose to do as a courtesy.

This is what Tony said about things like this one:
Point of reference you will likely never be notified for an available RRT on your vehicle. That is a courtesy they provide for consumers who service their cars at MOPAR dealerships.

This means that unless you have this problem, you won't hear about a fix for what you don't have unless your dealer chooses to make such calls (most probably will not)
It's not a recall so don't go looking for it.

Bottom line - if you have a loud tick and there's a problem, the dealer will look to see if this applies to you.
If you don't have a loud tick and don't complain, you probably won't hear about this at all unless FCA sends you a card in the mail.
LOL - I guess my take is - much ado about nothing and by being called a recall it's got people all worked up. If you don't have a loud tick or unusual valve train problem, we can move along.
In other words - if you don't have a loud tick or valve train issue - nothing to see here.
This will only apply IF you actually have the problem - then the dealer will determine if this applies.
Not a real recall - can stop looking on the NHTSA web site.

Thank You !! This makes me feel a little better. Mine was built middle of August and haven’t had any problems with only 4100 on the clock. Not the quietest motor I’ve ever heard but always sounds the same, nothing that stands out.

 

[Minty JL]

Mine was build 10/22 and I have 7926 miles now, all good thus far

 

[Gren71]

im hoping the OPs dealer can provide documentation, or at least a number as verification of the recall. Stuff like this is part of what keeps me from considering a newer JT. Im hoping to finish paying my JT off soon and have some value left by the time the hurricane gets put in them. ?

 

[ShadowsPapa]

im hoping the OPs dealer can provide documentation, or at least a number as verification of the recall. Stuff like this is part of what keeps me from considering a newer JT. Im hoping to finish paying my JT off soon and have some value left by the time the hurricane gets put in them. ?

"Stuff like this" is often "over-blown". Not saying this is a total nothing, but that when people hear the word "recall" they freak out. It's not like it sounds.
And the numbers are quite limited.
I've got 11,000 miles on my 06/24/2022 built JT and it's never sounded any louder than any 3.6 we've ever owned. That's at least 4 so far, perhaps 5, I'd have to see if one of our Grand Cherokees was a 2015 or a 2016, I can't recall now. But we've had 2018, 2021, and for the JT - 2020 and 2022.
That's 2018, 2020, 2021 and 2022 built 3.6s and no unusual sounds. (should I insert "so far" to fit the agenda??)
These aren't quiet, there are quieter engines out there, but then it's been my experience that if taken "in genera" and over time, the V6 by its nature isn't a very quiet engine compared to some anyway. OTOH, my 4.0 is much more noisy.
I wonder about this part - we have multi-part followers on the intakes, and that high lift piece appears to be free to move a bit - against spring pressure. Meaning it could leave the cam lobe just enough to make a slap under certain conditions. If I end up with a valve cover off, I want to test my theory on that. My gut tells me that the multi-piece intake follower isn't going to be the most quiet system in the world.
I really had no reservations about trading one JT for another last year. Odds are in my favor.
2020 seems so far to have been the worst of the model years for JT as far as cam issues. Things sort of came to a head, and have slowly dropped down. You don't see the numbers that were seen "back then".

These have a bit of "mechanical lash" when in the high lift mode - until the lash adjuster takes it out. So when switching modes, there has to be some play to allow the pin to be pushed out by the spring, locking the follower into high lift mode. That play exists until or unless the lash adjuster expands, taking it out.

In low lift mode, that center high lift follower floats against spring pressure. Possible sound coming from this in low lift mode as the center high lift piece floats up and down on the cam's center lobe - only spring pressure holding it against the cam's center lobe, perhaps noise generated here?

 

[ATL_Rubi]

Called my dealer, and said my vin was good to go.

They called me back no more than a minute later and said there is a RRT in place that affects my vin (10/22 build), and it is an hour-long computer flash that they do in their express bay. I'll get more info when I go on Monday for it. I did not ask if it was directly related to the lash adjusters but I will check.

 

[BearFootSam]

Well, they were a tiny bit cryptic at my dealership. They said there's no recalls or RRTs, etc. for my VIN but didn't say if there was anything at all on lash adjusters. Just nothing for mine (late June build date, 2022)
But Tony did say this which is why none of you have heard anything at all - and you likely will never hear anything unless you have a problem and go to a dealer to get it fixed.
The OP's call was an outlier, it's what dealers may choose to do as a courtesy.

This is what Tony said about things like this one:
Point of reference you will likely never be notified for an available RRT on your vehicle. That is a courtesy they provide for consumers who service their cars at MOPAR dealerships.

This means that unless you have this problem, you won't hear about a fix for what you don't have unless your dealer chooses to make such calls (most probably will not)
It's not a recall so don't go looking for it.

Bottom line - if you have a loud tick and there's a problem, the dealer will look to see if this applies to you.
If you don't have a loud tick and don't complain, you probably won't hear about this at all unless FCA sends you a card in the mail.
LOL - I guess my take is - much ado about nothing and by being called a recall it's got people all worked up. If you don't have a loud tick or unusual valve train problem, we can move along.
In other words - if you don't have a loud tick or valve train issue - nothing to see here.
This will only apply IF you actually have the problem - then the dealer will determine if this applies.
Not a real recall - can stop looking on the NHTSA web site.

I'm curious now what I should be listening for, build date August 22', 11k miles. I hear some 'tick' with the windows down but it's nothing compared to the 98' discovery I had. By in large the engine is very smooth.

As a point of interest I've been on business travel the last week and have charger with the 3.6. The engine feels quite a bit different in this application. Far more rev happy, shifts less smoothly, not much more efficient than the JT given the weight difference. Being in Denver may have something to do with the poor economy. The jeep is just a lot nicer to drive in my opinion, partially because it doesn't feel like it's going to break when I hit a pot hole, and partially the interior is much nicer.

Sponsored