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  #61  
Old 11-21-2010, 05:10 PM
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Re: 2011 Jeep Grand Cherokee 3.6L Pentastar V6 BLOWN-UP ENGINE!

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Originally Posted by DJ BoNiOmArIo View Post
Hence the reason why I wanna stay away from Chry-co ... Poorly built cars and horrible customer service!
only time ill ever buy a vehicle from Chry-co again is if its gonna be a high performance vehicle...even then there is problems...i learned my lesson
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  #62  
Old 11-21-2010, 05:30 PM
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Re: 2011 Jeep Grand Cherokee 3.6L Pentastar V6 BLOWN-UP ENGINE!

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Originally Posted by MSCA View Post
Take a look at the bolt on the rod cap that I circled in red (zoom in on the picture). It is clearly damaged from puncturing the pan. And it does line up perfectly with the hole in the pan. Keep in mind that the orientation of the pan and the picture of the crankcase is reversed. You need to flip the pan around the other way in order to see that it does match up.

That said, I'm still surprised the rod cap is attached. I thought for sure it would have been torn off. In the picture, it does seem that it is still tightly attached, but then again it can be hard to tell from the picture.
Ahhhh, ok thanks, I see it now

I'm astounded that a rod cap that still appearts attached to the crank has punched a hole in the sump..... the clearance must be virtually non-existent!?

I'd like to see the piston and rod slipped out of the bore.... we need a heap more pics.

I'm starting to think there was some foreign object in the sump, that has eventually found itself between the rod and the sump, and at BDC it's simply punched a hole through the sump.

I'm really not buying the whole hydro lock thing, show us a soggy paper air filter..... show us some bent valves...... show us a bent rod.
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  #63  
Old 11-21-2010, 06:02 PM
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Re: 2011 Jeep Grand Cherokee 3.6L Pentastar V6 BLOWN-UP ENGINE!

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Originally Posted by COST554 View Post
...there is a serious design issue that is involved here. An open air scoop, with no way to drain water from the air plenum! I have even discussed this with the Chief Engineer of Jeep, Phil Jansen, and he told me that Mike Manley, Jeep President & CEO was also aware of my problem. They stand by their design, with 2 years of testing for the air intake.
I noticed the lack of a drain hole some time ago. The issue is if you open a hole on the bottom, it may actually suck water in at times when running under load and the intake tube is restricted. My thinking was to install a one way drain valve on the lowest point of the airbox, just haven't gotten around to finding one yet.

anyway, in your case, if your air paper filter shows no sign of water damage, I suspect the water entered by some other means like a vacuum line or breather valve.
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  #64  
Old 11-21-2010, 06:31 PM
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Re: 2011 Jeep Grand Cherokee 3.6L Pentastar V6 BLOWN-UP ENGINE!

Jeep/Chrysler will pay many times the cost of a new engine on the bad publicity that will be generated by denying this warranty claim.

And what company tells a customer that there are no new engines available to replace a failed one in such a new vehicle?

I know this is making me rethink the idea of purchasing an extended warranty from Jeep. Why buy one if Jeep/Chrysler is going to deny warranty coverage?

Not good...
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  #65  
Old 11-21-2010, 08:18 PM
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Re: 2011 Jeep Grand Cherokee 3.6L Pentastar V6 BLOWN-UP ENGINE!

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Originally Posted by DJ BoNiOmArIo View Post
Hence the reason why I wanna stay away from Chry-co ... Poorly built cars and horrible customer service!
I think this can be said across the board. My dad had a problem with this 06 Lincoln Navigator and its air suspension. When the dealership kept trying to trow parts on it and after coming back 3+ times for it he called Ford Co to try to get them to step in and fix it. Long story short, they told him to pound sand since the car at 30+ miles on it but yet it was still under the bumper to bumper warranty.

I think to get anything done right when talking about something like this you have to know someone high up in headquarters (like my Neighbor did for his son in law) or have the money for a lawyer to take them to court.

Quote:
Originally Posted by Marlin View Post
Ahhhh, ok thanks, I see it now

I'm astounded that a rod cap that still appearts attached to the crank has punched a hole in the sump..... the clearance must be virtually non-existent!?

I'd like to see the piston and rod slipped out of the bore.... we need a heap more pics.

I'm starting to think there was some foreign object in the sump, that has eventually found itself between the rod and the sump, and at BDC it's simply punched a hole through the sump.

I'm really not buying the whole hydro lock thing, show us a soggy paper air filter..... show us some bent valves...... show us a bent rod.
x2

When I had my 4.0L, I tried to "clean" my air filter with water just to see if it would work with a normal filter. I forgot why I had to do this but I had to leave the house a very short time after I soaked my filter and I put my wet filter back into my car and drove off. I car started up fine and when I hit the gas my car kind of choked for only a few seconds then it was fine again. If I could do that to my air filter/engine and not lock it (Although I would not do that again) then you should be able to drive into a little bit of water with no problems.
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  #66  
Old 11-21-2010, 09:55 PM
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Re: 2011 Jeep Grand Cherokee 3.6L Pentastar V6 BLOWN-UP ENGINE!

I would like to thank everyone for all the supportive comments. Here are some additional photos. I looked at the plenum and the filter box photos and couldn't see a drain hole, but the filter box photo has some dark corners. Regardless, I appreciate everyone's input, and maybe this will get Chrysler off top dead center.
Attached Images
File Type: jpg 2011 Jeep Grand Cherokee 017.jpg (54.4 KB, 289 views)
File Type: jpg BC529411 038.jpg (91.5 KB, 306 views)
File Type: jpg BC529411 024.jpg (98.6 KB, 289 views)
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  #67  
Old 11-21-2010, 10:01 PM
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Re: 2011 Jeep Grand Cherokee 3.6L Pentastar V6 BLOWN-UP ENGINE!

A few more photos.
Attached Images
File Type: jpg BC529411 034.jpg (100.5 KB, 245 views)
File Type: jpg 2011 Jeep Grand Cherokee 023.jpg (71.5 KB, 271 views)
File Type: jpg BC529411 040.jpg (99.5 KB, 262 views)
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  #68  
Old 11-21-2010, 10:27 PM
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Re: 2011 Jeep Grand Cherokee 3.6L Pentastar V6 BLOWN-UP ENGINE!

Last lot for the evening.
Attached Images
File Type: jpg Copy of BC529411 035.jpg (96.4 KB, 280 views)
File Type: jpg Copy of BC529411 036.jpg (101.6 KB, 297 views)
File Type: jpg BC529411 014.jpg (103.0 KB, 263 views)
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  #69  
Old 11-21-2010, 10:48 PM
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Re: 2011 Jeep Grand Cherokee 3.6L Pentastar V6 BLOWN-UP ENGINE!

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Originally Posted by COST554 View Post
Last lot for the evening.
Jeebus h keryst!

That conrod's a mess.

Evidently the conrod is what punched a hole through the sump.

It (the conrod) is clearly bent, but how did it bend?

Bent from punching through the sump?
Bent from foulding on the block?
Bent from a hydro-lock?

It's a case of what came first, the chicken or the egg?

Now, another scenario.....

I'm sorry to have to ask, and I can't say I'd blame you if you were (in an attempt to get warranty on an expensive repair), but are you suuuure you're not trying to cover your tracks?

I've seen it before (on a new Suzuki Samurai)
The engine hydro-locked after being swamped, and the owner removed the spark plugs, wound the engine over to blow the water out, and re-installed the plugs and continued on their way.... Yes, there was significant internal damage, but the owner tried to get a warranty claim.
The dealer found muddy water in the intake, and refused the claim.
I could possibly see how something similar could happen here, and the bent conrod could plausably last 700 miles (or seven, or 7,000 for that matter) before it failed, resulting in this catostrophic failure.

I'm just saying, if something similar is the case, save the heartache and just wear it mate.
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  #70  
Old 11-21-2010, 11:00 PM
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Re: 2011 Jeep Grand Cherokee 3.6L Pentastar V6 BLOWN-UP ENGINE!

No Marlin - not covering any tracks - I was on vacation in a new vehicle - I didn't bring any tools to do any repairs. I wouldn't have even thought about pulling the plugs if I had. I am giving you truth.
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  #71  
Old 11-21-2010, 11:01 PM
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Re: 2011 Jeep Grand Cherokee 3.6L Pentastar V6 BLOWN-UP ENGINE!

Quote:
Originally Posted by Marlin View Post
Jeebus h keryst!

That conrod's a mess.

Evidently the conrod is what punched a hole through the sump.

It (the conrod) is clearly bent, but how did it bend?

Bent from punching through the sump?
Bent from foulding on the block?
Bent from a hydro-lock?

It's a case of what came first, the chicken or the egg?

Now, another scenario.....
The only way the connecting rod could have possibly punched that hole in the pan is if it were able to drop down completely. And if that's the case, it would have had to been broken due to hydro-lock before it could have ever punched a hole in the pan. I guess it's possible for the broken end of the rod to slip down enough to make that hole.

I actually don't see that much of a bend in the rod itself. It's hard to tell from the pictures, but it looks pretty straight to me. Usually a snapped rod is bent big time. This rod seems to have snapped without bending very much. It's definitely cast (not forged) and doesn't seem all that robust.
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  #72  
Old 11-21-2010, 11:05 PM
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Re: 2011 Jeep Grand Cherokee 3.6L Pentastar V6 BLOWN-UP ENGINE!

Looks to me like the conrod could possibly swing 360 degrees around the bid end journal to make that hole.

Take another look at the first pic in post #68 MSCA, it's very bent, in a few spot, ie down near the big-end, then in the middle, then again toward the top. She's a piece of spaghetti!
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