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theksmith

Freya: Aimee's 2021 WK2 Grand Cherokee Trailhawk V8

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4 hours ago, theksmith said:

just putting this bit of knowledge here for one day when we need a new battery...

 

the diesel WK2 has an L5/H8/Group 49 battery instead of the L4/H7/Group 94R. to upsize to the slightly longer L5, you just need a different hold-down bracket - part number #68039242AA (about $5).

 

why? because the L4 typically has 800CCA/140RC where as most L5 have 850CCA/160RC, and the L5 is only about $10 more. that extra reserve capacity could come in handy if running a fridge, lunchbox, etc.

 

5

 

Good find!
 It seems like on FCA vehicles it’s worth a look before you buy a battery.

 

My ‘17 Ram had a battery tray that was quite a bit larger than the stock battery.  I upgraded to the larger battery, but kept the same hold down.  
Parts guy said they only showed one part number for the 1500.

 

 

 

 

Edited by jgaz
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Little bit of knowledge.. like to know when Aimee’s gonna let me take her for a rip ride

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10 hours ago, scottL said:

Little bit of knowledge.. like to know when Aimee’s gonna let me take her for a rip ride

 

she doesn't even let me drive it unsupervised!

 

ACtC-3fEQbu86p2fw-44Gv4qwd5bzrtDEBVKA0OY

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On 12/1/2020 at 12:48 PM, 4x4tographer said:

 

 

Out of curiosity, are you able to recalibrate to the new tire size? That was always a pain point for me with my KL Trailhawk when I went to 30.5" tires.

 

On 12/2/2020 at 7:58 PM, theksmith said:

 

yes, using AlfaOBD - though it took a little trial and error to figure out the exact process... the steps were a little different than what i found on the Ram forums. i'll have to double-check my process and do a little write-up later.

 

 

write-up on how i adjusted the tire size here:

 

 

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ok, i know we live in Phoenix - but the heated steering wheel is actually awesome on a chilly morning!

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She's beautiful!

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11 hours ago, theksmith said:

ok, i know we live in Phoenix - but the heated steering wheel is actually awesome on a chilly morning!

Princess Diaries GIF by MOODMAN

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Very nice ride! 

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On 11/30/2020 at 9:29 PM, theksmith said:

tires: Falken Wildpeak A/T3W in 265/65R18 (approximately 31.5")

I've had this set of tires (17") in my discounttire shopping cart for a while now, waiting for my MTs to wear out. The pictures are a good visual of how it will look on my GC, and of course it will be MUCH quieter. Can't wait to hear myself think!

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On 11/30/2020 at 9:29 PM, theksmith said:

we had Discount Tire install the same tire on the factory 18" spare steel rim

Is your spare the same diameter as the new set? I'm thinking of having discount just mount one of my older worn out MT so it should be closer in diameter to the 31.5.

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