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Discussion Starter #1 (Edited)
Hey folks! I purchased my first Jeep sort of out of necessity. Ended up with a problematic ‘07 Commander. Didn’t really know how problematic it was until I got about 5 miles down the road. Immediately had buyer’s remorse! I test drive it and looked it over really well....I thought. Called the guy I bought it from noting problems maybe 15 minutes after exchanging the cash hoping he would be understanding and swap back (I even offered a couple hundred for his time). Long story short, I’m stuck with this thing. I love the idea of the Jeep, just didn’t anticipate the problems. So far (2 weeks in) I’ve replaced the water pump and the radiator. It had a leak in the radiator that I didn’t notice until I got home. It was at the top and only spontaneously spit out coolant. Figured while I had it torn apart, may as well replace the water pump, to avoid it in the near future. Anyhow, it had this grinding noise as I started it up, that went away as far as I could tell after it heated up a bit. It came with a K&N cold air intake that he blamed the noise on. I always heard they were noisy, and took his word. Finally, I got tired of the noise and wanted to see if changing back to a stock intake would fix it. I removed the CAI and started it up with a bare throttle body. Same noise. It doesn’t really seem to affect performance, but I know it’s not normal. Has anyone else run into this? After further listening and attention, it doesn’t seem to go away completely. It’s the kind of noise that makes you cringe a little bit. Here it is at startup with a little throttle toward the end.

https://youtu.be/fNzJcby4nnY
 

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Sorry to hear about problems with your Commander. I'm not sure what the fix is but there are some really smart members in this forum and it won't take long for someone to help.

I think once your issues are sorted out you'll come to love the vehicle!
Welcome to the forum as well!!!
 

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Discussion Starter #3
Sorry to hear about problems with your Commander. I'm not sure what the fix is but there are some really smart members in this forum and it won't take long for someone to help.

I think once your issues are sorted out you'll come to love the vehicle!
Welcome to the forum as well!!!
Thank you, Chaotic! I'm sure you are right. Good to be here!
 

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The noise sounds like bearing noise from one of your accessory system pulleys. If the noise started after installing your new water pump, that would be the biggest suspect. Otherwise, you can remove the belt and spin each pulley by hand and try to find the noisy pulley, or use a mechanic's stethoscope.

A new radiator and water pump also aren't abnormal, especially at almost 200k miles. Unfortunately, due to the design of our radiators, they tend to develop leaks eventually along the plastic/aluminum seams.
 

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Hey folks! I purchased my first Jeep sort of out of necessity. Ended up with a problematic ‘07 Commander. Didn’t really know how problematic it was until I got about 5 miles down the road. Immediately had buyer’s remorse!

https://youtu.be/fNzJcby4nnY
@breadboxxk;

Welcome to the forum; Post some pics of your Commander when you can; Here are some links if you want to order any other parts for repairs or upgrades to your XK;

Chrysler/Jeep Factory Parts: https://www.factorychryslerparts.com/

North American Parts: https://northamericanparts.rpmware.com/store/account/login.aspx

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Also, please read this if you haven't done so already in the last 4 years - lots of good information in here;

REQUIRED READING!!! New Member Introduction post & other important new member info.

Thanks and again, welcome aboard.
 

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Discussion Starter #6
The noise sounds like bearing noise from one of your accessory system pulleys. If the noise started after installing your new water pump, that would be the biggest suspect. Otherwise, you can remove the belt and spin each pulley by hand and try to find the noisy pulley, or use a mechanic's stethoscope.

A new radiator and water pump also aren't abnormal, especially at almost 200k miles. Unfortunately, due to the design of our radiators, they tend to develop leaks eventually along the plastic/aluminum seams.
There is a pulley noise that was there before the water pump. This weekend the starter went out. I changed it and the sound is mostly gone. I say mostly because I feel like it comes and goes now. Going to put a factory air box on and lose the cold air intake to see if that helps. I've always felt like the CAI had something going on that wasn't right. We will seeeeeeee...

While I'm here, does anyone know where to get a factory air setup? Not even sure what to call it. :|
 

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I think your looking for a factory intake manifold and airbox. I'd check the local auto salvage.
 
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