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Chrysler 3.6 Pentastar coil packs?

Posted By: Pacnorthcuda

Chrysler 3.6 Pentastar coil packs? - 09/19/19 05:49 PM

I just bought a 2012 Jeep Rubicon with the 3.6 and 72,000 miles. Bone stock, only scheduled maintenance performed so the plugs are original.
I will be replacing the plugs soon. This is an engine that requires the intake plenum to be removed for the drivers side plugs so I am considering replacing all the coil packs.

Reliability is the main concern, the only concern really, as I sometimes wheel deep in the mountains, alone.

1) would you replace the coil packs with the idea you are reducing the chances of an ignition problem or leave them be, if it ain’t broke....?

2) if you were to replace, would you stick with stock Mopar (Not sure who actually makes them) or a brand such as Bosch, Delphi, NGK etc.

I know there are performance brands out there now like RIpp and MSD but I’m unsure about their reliability...(I’m very hesitant on those).

I am covering other general break-down issues as best I can, this is just about replacing the coil packs while I’m in there...yea or nay?
Posted By: GarageDodge

Re: Chrysler 3.6 Pentastar coil packs? - 09/20/19 12:09 AM

I would not replace them,never changed a coil on a 3.6.my wifes 2012 t&c has 218,000 miles orignal coils.
Posted By: WV Runner

Re: Chrysler 3.6 Pentastar coil packs? - 09/20/19 12:15 AM

I wouldn’t replace them, I’ve seen them go bad on cars with 15,000 miles and other cars with 200,000 with all the original ones. If it ain’t broke don’t change them. If one does expire I’d use a Mopar replacement
Posted By: 70Duster

Re: Chrysler 3.6 Pentastar coil packs? - 09/20/19 12:17 AM

Leave the coil packs alone and use the stock spark plug. Check the owner's manual to see what was installed in the factory. My 2004 Grand Cherokee had NGK spark plugs installed at the factory.
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