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The type of spark plug for Chrysler Pacifica 2017+

7872 Views 22 Replies 9 Participants Last post by  POTTOBON, 
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Dear friend,
I would like to replace the spark plugs in my Pacyfica. When I replaced spark plugs in my Chrysler Town and Country 2013 I bought Champion CCH9407, it is RER8ZWYCB4. I bought the same type of spark plug for Pacifica 2017, because the engine is the same 3.6V6. But when I put out the first spark plug I observed that there is other type, it is RER8ZWYPB4. I found that it is probably Champion CCH9417. Can I use CCH9407 for my Pacyfica? Or should I bought CCH9417? What is difference between these two types of spark plugs?
Have a nice day,
Pawel
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PacificaMinivanFan
SouthFLPacifica said:
Hello everyone!
I’m new to this forum. Our ‘19 Pacifica Touring has a subtle engine shake/rough idle? We bought the car used with 35k miles..
Should I try replacing the Spark Plugs see if this fixes the issue?
Also, what is the new/updated part number for the plugs? Thanks in advance for the info.
Click to expand...
This video is just an idea. Of interest in the Comment section:
Q. How many miles are on your Pacifica..
A. 84k right now. It was around 82k when I did this video.

Q. Do you have to top up your coolant on occasion? My '18 uses like a cup every 5k miles but I have no leaks, I also hear these have alot of leak points .
A. Yes, I have the exact situation you have described. I monitor the oil closely and haven’t noticed any contamination so it must be leaking and evaporating somewhere on the outside of the engine.
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I checked my car yesterday with the flashlight around the base of the oil cooler on the right side of the motor and thankfully there were no leaks. However, it's kind of dirty, like black with dust as if maybe a bit of oil had leaked and dried up from the heat cycles.

My car has 35k miles, I haven't noticed yet the coolant going down on mine. Will keep monitoring the oil/coolant periodically, but it seems it's just a matter of time.

When I do mine, I'd like to replace the oil cooler with an aluminum model. Of the versions out there, which can you guys recommend as being the better one? Dorman?
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POTTOBON
SouthFLPacifica said:
I checked my car yesterday with the flashlight around the base of the oil cooler on the right side of the motor and thankfully there were no leaks. However, it's kind of dirty, like black with dust as if maybe a bit of oil had leaked and dried up from the heat cycles.



My car has 35k miles, I haven't noticed yet the coolant going down on mine. Will keep monitoring the oil/coolant periodically, but it seems it's just a matter of time.



When I do mine, I'd like to replace the oil cooler with an aluminum model. Of the versions out there, which can you guys recommend as being the better one? Dorman?
Click to expand...
I recommend only using original plugs but be careful, because there are several part numbers, but you would want the latest part number only because there are TSB's. There were issues with cracked plugs. I had mine changed at 10k because of rough idle so that is how I found out about the part number upgrade.
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