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Old 11-25-2019, 04:40 PM
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Possible engine failure...Where to start?

I recently finished installing a forced induction kit on my '17 Recon. I had driven it around a few times briefly and it seemed fine...until...Yesterday I went to run a few errands it ran fine at first but I took a turn about 1.5 miles from my house and I heard a bunch horrible clunking sounds from the engine. I assume it died on its own, but I may have thrown it in neutral and shut the key off. I honestly don't remember because I was in panic mode. I coasted over to the shoulder and smoke started coming from the engine compartment. When I opened the hood, it appeared most of the smoke was coming from the drivers side exhaust, possibly farther down towards the transmission. I probably should have been more thorough in my troubleshooting, but I was disgusted and was trying to figure out how I was getting home...called a tow truck, got home.

I honestly couldn't stand to look at it, but Im now planning out how I should spend my holiday weekend and what I should look for first.

I did try to start it again, with kind of confusing results. I can hear the fuel pump, and a click like the solenoid is engaging but it doesn't turn over at all. I also plugged in my laptop to read codes...not a single code came up.

Is there any sort of diagnostics I can do with the engine together? Should I pull the heads? or oil pan?

Any help is appreciated.

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Old 11-25-2019, 05:28 PM   #2
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Get a wrench/socket on the crankshaft dampener and see if you can turn the engine over by hand to make sure its not seized.

I had some weird no start issues, similar to what you are describing, that were fixed by pulling the M13 fuse for 30 seconds and then putting it back in.

All other fuses good?

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Old 11-25-2019, 05:50 PM   #3
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Quote:
Originally Posted by Cummins_Powered View Post
Get a wrench/socket on the crankshaft dampener and see if you can turn the engine over by hand to make sure its not seized.
This, and..
I would also look at the driver side of the block where the smoke was coming from.
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Old 11-25-2019, 06:57 PM
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Quote:
Originally Posted by Cummins_Powered View Post
Get a wrench/socket on the crankshaft dampener and see if you can turn the engine over by hand to make sure its not seized.

I had some weird no start issues, similar to what you are describing, that were fixed by pulling the M13 fuse for 30 seconds and then putting it back in.

All other fuses good?
Thanks for the advice. I did look at the fuses and didn't notice any bad ones, but I'll look again.
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Old 11-25-2019, 07:10 PM   #5
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Water in oil or oil in water is a sure sign of something wrong. These 3.6's just don't like the SC mod.
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Old 11-25-2019, 09:12 PM
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Water in oil or oil in water is a sure sign of something wrong. These 3.6's just don't like the SC mod.
I did do a fair amount of research prior to purchasing. I did find a fair share of horror stories, but it seemed like alot of people ran boost in these engines without much trouble. I figured many of the issues were growing pains and that most of the kinks were worked out...apparently I was wrong.
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Old 11-26-2019, 09:26 AM   #7
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I'd start with checking all the fluids first.

Out of curiousity, what kit were you running?
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Old 11-26-2019, 09:40 AM   #8
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Sounds like a belt was thrown
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Old 11-26-2019, 03:57 PM
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Well I found a wrist pin sitting on the motor mount so Im pretty sure thats my issue...not a happy camper.

As far as what kit it is...Id rather not say until I see how this issue is handled, but I definitely regret the purchasing it. I have been frustrated by a number of small issues with it. Individually they wouldn't be worth complaining about, but collectively (along with the hole in my block...which is more than a small issue) they have made me extremely dissatisfied.

My next question is: I know there are some minor differences in the engines, but does anyone know if a 3.6 out of another vehicle would work? Ram, Challenger etc. I know the intake manifolds are different, but I could reuse my original manifold.
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Old 11-26-2019, 04:00 PM
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double post
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Old 11-26-2019, 04:14 PM   #11
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so they put new pistons in to install the blower?
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Old 11-26-2019, 04:26 PM
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so they put new pistons in to install the blower?
No lol. The wrist pin blew a hole threw my block, the piston must have grenaded
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Old 11-26-2019, 04:52 PM   #13
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No lol. The wrist pin blew a hole threw my block, the piston must have grenaded
Roots style blower or whipple? How many PSI of boost were you running? Sure your bypass valve was sized and working correctly? Man, to hear of a wristpin blowing out the block is very unusual.
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Old 11-26-2019, 04:55 PM   #14
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It's surprising to hear how quickly this all transpired. I'm assuming you had some sort of software / PCM reflash prior to driving it with the kit installed, correct?

Because it almost sounds like what would happen if you ran into boost without any corresponding change to the PCM. I wonder what trouble codes were present? Definitely sorry to hear about that though. That's a bummer for sure.
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Old 11-26-2019, 04:56 PM   #15
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No lol. The wrist pin blew a hole threw my block, the piston must have grenaded
yikes. Might contact Rubitrux as they do hemi swaps so they often have 3.6L from jeeps and Dakota customs and one the that I can't think of off the top of my head out of Vegas do swaps too.
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Old 11-26-2019, 05:27 PM
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Thanks! I already did call a few V8 swap places. I saw Rubitrux has a take out for 2700, but Im trying to shop around. Ive found some Challenger/Charger 3.6s that were substantially cheaper (Im assuming simply because they arent "Jeep" engines). Thats why I was wondering if they would work.
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Old 11-26-2019, 06:05 PM
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It's surprising to hear how quickly this all transpired. I'm assuming you had some sort of software / PCM reflash prior to driving it with the kit installed, correct?

Because it almost sounds like what would happen if you ran into boost without any corresponding change to the PCM. I wonder what trouble codes were present? Definitely sorry to hear about that though. That's a bummer for sure.
Yes I did have a PCM reflash with a tune...I did have a misfire code that triggered but I cleared it and didn't have a single code come up after the engine blew, which was weird.
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Old 11-26-2019, 06:10 PM
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If anyone else stumbles upon this looking for what vehicles use the same block, I may have found the answer.

According to this
https://www.moparfactoryparts.com/oe...bC12Ni1nYXM%3D

The PN for the long block is 68264741AA
and the following vehicles all use the same long block

2014 Chrysler 200
2014-17 Chrysler 300
2014-16 Chrysler Town & Country
2014 Dodge Avenger
2014-19 Dodge Challenger
2014-17 Dodge Charger
2014-15 Dodge Durango
2014-19 Dodge Grand Caravan
2014-17 Dodge Journey
2014-15 Grand Cherokee
2014-18 JK Wrangler
2014-17 Ram 1500
2014-15 Ram C/V
2014-15 Promaster
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Old 11-26-2019, 09:16 PM   #19
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Wow.... sorry, man. My heart goes out to ya.

That really sucks. That's going to be a lot of work. I would trash that bloody induction kit when you get it back together.
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Old 11-27-2019, 03:35 AM   #20
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Gears for years. With these engines, I’d rather get my pep from gears than forced induction.

TBH I was considering forced induction, maybe Prodigy turbo. Scary though.
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Old 11-27-2019, 11:51 AM   #21
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I'll be very interested in hearing how the company that makes the kit responds to this. I think you're smart playing that card close to the cuff giving them a chance to think about how they want to respond.

Really hope this works out well for you.
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Old 11-27-2019, 05:58 PM
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Thanks everyone for your compassion. I did source a 3.6 from a 2015 Charger for about $1500, which doesn't seem too bad. Ill swap all my accessories over since I think they are different and maybe I can recoup a couple hundred for selling some of the stock Charger components.

By the time Im done with this I probably should have just swapped in a V8, but I just want my toy running again.
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Old 11-27-2019, 09:36 PM   #23
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Yep,,, there is no replacement for displacement.
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Old 11-29-2019, 07:15 PM   #24
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the 3.6's really dont like boost. you have to have a good tune for boosted 3.6 engines to work decently. charger/challenger 3.6's will work but the intake plenum is different so you would have to take yours off and put it on the new engine.
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Old 12-08-2019, 11:29 PM
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https://www.wranglerforum.com/f202/e...l#post34614199

In case anyone wants to hear my full story

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