Gen V engine identification - JKowners.com : Jeep Wrangler JK Forum
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post #1 of 12 Old 05-12-2019, 12:34 PM Thread Starter
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Gen V engine identification

Can anyone help identify or point me into the right direction to identify the year model of the powertrain I just picked up? All the scrounging I've been doing all references the vehicle VIN number and/or RPO codes, both of which I do not have...

I obviously know it's an L86 and 8l90, but looking for year of manufacture.

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post #2 of 12 Old 05-12-2019, 02:38 PM
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Trans controller says t87, that tells me that it’s pre 2017. I see the number 15 a lot in your pictures. I suspect it’s a 2015.
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post #3 of 12 Old 05-12-2019, 05:39 PM Thread Starter
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Trans controller says t87, that tells me that itís pre 2017. I see the number 15 a lot in your pictures. I suspect itís a 2015.
If this is indeed a 2015, are there any problems associated that I would need to be concerned with or is it just software related problems that could be easily fixed?

Last edited by cody48; 05-12-2019 at 06:17 PM.
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post #4 of 12 Old 05-12-2019, 08:14 PM
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Is that not the vin here on the block? Name:  103448B8-6F1D-4123-ADA4-EE84BC3F6E40_1557717274723.jpeg
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post #5 of 12 Old 05-12-2019, 08:26 PM
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Originally Posted by 08JKUR33 View Post
Is that not the vin here on the block? Attachment 336996
Looks like it starts with the letter G, and not a number, so it isnít a vehicle VIN.

Iím assuming that the OP knows that the L86 was made from 2014-2018. Other than that I have no clue, but I do have a job interview at a GM dealer tomorrow so if I get the job and no one else has solved the mystery by then I may be able to look it up.
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post #6 of 12 Old 05-13-2019, 10:06 AM
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Quote:
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Quote:
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Trans controller says t87, that tells me that it’s pre 2017. I see the number 15 a lot in your pictures. I suspect it’s a 2015.
If this is indeed a 2015, are there any problems associated that I would need to be concerned with or is it just software related problems that could be easily fixed?

2015 would be my year of choice. Only trouble may he transmission which should be corrected with updated trans fluid and programming.
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post #7 of 12 Old 05-13-2019, 10:32 AM
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Here’s mine which is a 2016. Yours looks to be numerically lower.
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post #8 of 12 Old 05-13-2019, 10:47 AM
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Also look at the transmission. There will be a sticker with 4 large numbers/letters. The first one will give you a build year. Mine is a 5, but it is a 2016 model.
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post #9 of 12 Old 05-15-2019, 03:57 AM Thread Starter
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Also look at the transmission. There will be a sticker with 4 large numbers/letters. The first one will give you a build year. Mine is a 5, but it is a 2016 model.
Mine starts with a 5, but the rest of the sticker is rubbed off.
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post #10 of 12 Old 05-15-2019, 06:06 AM
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I would bet you have a 2015 or early 2016 like mine.




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Also look at the transmission. There will be a sticker with 4 large numbers/letters. The first one will give you a build year. Mine is a 5, but it is a 2016 model.
Mine starts with a 5, but the rest of the sticker is rubbed off.
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post #11 of 12 Old 05-16-2019, 06:57 AM
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GM probably has a helpline you could call or e-mail. I contacted FCA and got the full VIN and window sticker. Just told them I bought a used engine and wanted some info, gave them the engine serial # and partial VIN stamping from the block.

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post #12 of 12 Old Today, 04:51 AM
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Came across some VIN/engine block info. The circled part is from the VIN. The G means it’s a 2016.




Quote:
Originally Posted by cody48 View Post
Can anyone help identify or point me into the right direction to identify the year model of the powertrain I just picked up? All the scrounging I've been doing all references the vehicle VIN number and/or RPO codes, both of which I do not have...

I obviously know it's an L86 and 8l90, but looking for year of manufacture.

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