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post #1 of 11 (permalink) Old 06-19-2019, 02:40 PM Thread Starter
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Join Date: Jun 2019
Location: Florida
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 4.7L V-8
4WD
If 4WD - system: QT-II
Current Mileage: 120000
Posts: 3
New Member, New Commander Owner

Hey Forum,

Just bought my 2006 Commander Limited one week ago. Drove it home nearly 60 miles and was very pleased with the ride. Then all hell broke loose. The car overheated, radiator started leaking out of the bottom, serpentine belt tensioner pulley started knocking. It was as though I was being tested! So, now I have a much better knowledge of the inner workings of the Commander. I did the following:

Changed the thermostat....still overheating.
Flushed and changed the coolant...still overheating.
Purchased and installed new radiator...Will find out tomorrow.

Rounded over the mounting bolt that holds on the tensioner pulley. Had to cut off the bolt head with an angle grinder. Found a new MOPAR bolt at my local Jeep dealer for $2.45. Ordered a new tensioner pulley off of Amazon to save a few bucks.

So, tomorrow is the big day. The bolt should be delivered and I will hook everything back up and fire her up again!!

Thanks for letting me be a part of your Forum

--A
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post #2 of 11 (permalink) Old 06-19-2019, 03:21 PM
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Join Date: Oct 2015
Location: East Coast of Florida
Own a Commander?: Yes
Model year: 2008
Trim Package: Sport
Power-Train: 4.7L V-8
4WD
If 4WD - system: QT-II
Current Mileage: 101,200
Posts: 5,268
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Originally Posted by truehemingway View Post
Hey Forum,

Just bought my 2006 Commander Limited one week ago. Drove it home nearly 60 miles and was very pleased with the ride. Then all hell broke loose. The car overheated, radiator started leaking out of the bottom, serpentine belt tensioner pulley started knocking. It was as though I was being tested! So, now I have a much better knowledge of the inner workings of the Commander. I did the following:

Changed the thermostat....still overheating.
Flushed and changed the coolant...still overheating.
Purchased and installed new radiator...Will find out tomorrow.

Rounded over the mounting bolt that holds on the tensioner pulley. Had to cut off the bolt head with an angle grinder. Found a new MOPAR bolt at my local Jeep dealer for $2.45. Ordered a new tensioner pulley off of Amazon to save a few bucks.

So, tomorrow is the big day. The bolt should be delivered and I will hook everything back up and fire her up again!!

Thanks for letting me be a part of your Forum

--A
@truehemingway;

Welcome to the forum; Sorry to hear about your over-heating problems;

I'd suggest also checking to make sure your Fan & Water Pump are working properly.

When the dust settles, 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.c...unt/login.aspx

JeepinByAl: JBAoffroad.com

JustforJeeps.com - https://www.justforjeeps.com/

Rough County lift kits - Suspension Lift Kits, Body Lifts, Leveling Kit, 4x4, Jeep, Chevy, Dodge, Ford, Off-road Truck | Rough Country Suspension Systemsģ

AFE: Advanced FLOW Engineering | Engineered Adrenaline

CARiD.com - https://www.carid.com/?gclid=CjwKEAj...NrrxoCEBbw_wcB

Bilstein shocks & struts - Home

WAM Custom Bumpers - https://wambumpers.com/

JeepSteel Custom Bumpers - https://www.jeepsteel.com/

4WheelParts.com - Truck Parts & Jeep Parts - Lift Kits, Winches, Tonneau Covers, Tires, Wheels, Bumpers, Performance ? 4 Wheel Parts

RockAuto - https://www.rockauto.com/en/catalog/...catalog%2Fjeep

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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Last edited by Big Blue; 06-19-2019 at 04:43 PM.
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post #3 of 11 (permalink) Old 06-20-2019, 07:38 AM
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Join Date: Jul 2013
Location: NY
Own a Commander?: Yes
Model year: 2008
Trim Package: Sport
Power-Train: 4.7L V-8
4WD
If 4WD - system: QT-II
Current Mileage: 160000
Posts: 181
@truehemingway Wow, that is really unfortunate that would happen right after you picked it up. Hopefully the install goes smooth and fixes the issue. How much did the new radiator cost you?

2008 Commander, 4.7 QTII
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post #4 of 11 (permalink) Old 06-20-2019, 08:58 AM Thread Starter
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Join Date: Jun 2019
Location: Florida
Own a Commander?: Yes
Model year: 2006
Trim Package: Limited
Power-Train: 4.7L V-8
4WD
If 4WD - system: QT-II
Current Mileage: 120000
Posts: 3
Quote:
Originally Posted by chaotic View Post
@truehemingway Wow, that is really unfortunate that would happen right after you picked it up. Hopefully the install goes smooth and fixes the issue. How much did the new radiator cost you?
I bought one on Amazon for$65.79 It is the TYC 2839 model. It came packaged very securely and no damage to any of the fins at all. Nesting it back in behind the AC condenser was a challenge, but once I pick up the tensioner bolt from a dealership later today, I should finally get it up and running again.

I also pulled the interior blower motor yesterday. It was packed full of small leaves, something I had seen other owners deal with on YouTube. Easy fix...take it down and dump em out. Hopefully that will reduce the sound of the AC when it comes on. It was like a jet engine before...

Sent from my SM-N960U using Tapatalk
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post #5 of 11 (permalink) Old 06-20-2019, 07:47 PM
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Join Date: Oct 2015
Location: East Coast of Florida
Own a Commander?: Yes
Model year: 2008
Trim Package: Sport
Power-Train: 4.7L V-8
4WD
If 4WD - system: QT-II
Current Mileage: 101,200
Posts: 5,268
Garage
Quote:
Originally Posted by truehemingway View Post
I bought one on Amazon for$65.79 It is the TYC 2839 model. It came packaged very securely and no damage to any of the fins at all. Nesting it back in behind the AC condenser was a challenge, but once I pick up the tensioner bolt from a dealership later today, I should finally get it up and running again.

I also pulled the interior blower motor yesterday. It was packed full of small leaves, something I had seen other owners deal with on YouTube. Easy fix...take it down and dump em out. Hopefully that will reduce the sound of the AC when it comes on. It was like a jet engine before...

Sent from my SM-N960U using Tapatalk
Let us know what the outcome is when your done with the install.


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post #6 of 11 (permalink) Old 06-20-2019, 08:05 PM
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Join Date: Oct 2017
Location: Middle TN
Own a Commander?: Yes
Model year: 2007
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Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 130k
Posts: 305
I have the tyc radiator and thought it was good quality.

For the pulley bolt, I had the same problem. Found a replacement at the hardware store...

https://www.jeepcommander.com/#/topics/53777
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post #7 of 11 (permalink) Old 06-25-2019, 06:06 PM
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Join Date: Dec 2018
Location: Angel Fire, NM
Own a Commander?: Yes
Model year: 2007
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QT-II
Current Mileage: 140000
Posts: 15
Don’t replace the radiator without replacing the water pump!!! I had a radiator leak, replaced it and the pressure went straight to the water pump making it leak, it’s easier to do both at the same time, you probably have enough mileage that it’s on borrowed time anyway. Also be sure to search how to release air from the coolant refill.
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post #8 of 11 (permalink) Old 06-25-2019, 09:23 PM
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Join Date: Oct 2015
Location: East Coast of Florida
Own a Commander?: Yes
Model year: 2008
Trim Package: Sport
Power-Train: 4.7L V-8
4WD
If 4WD - system: QT-II
Current Mileage: 101,200
Posts: 5,268
Garage
Quote:
Originally Posted by Metalbanger View Post
Donít replace the radiator without replacing the water pump!!! I had a radiator leak, replaced it and the pressure went straight to the water pump making it leak, itís easier to do both at the same time, you probably have enough mileage that itís on borrowed time anyway. Also be sure to search how to release air from the coolant refill.
That's a good point.
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post #9 of 11 (permalink) Old 06-27-2019, 03:15 AM
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Join Date: Dec 2015
Location: Michigan
Own a Commander?: Yes
Model year: 2008
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 135000
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Yes and if you are in there might as well replace the serpentine belt and automatic adjuster. Cheap insurance.
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post #10 of 11 (permalink) Old 06-28-2019, 09:40 AM
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Join Date: Feb 2019
Location: Oregon
Own a Commander?: Yes
Model year: 2008
Trim Package: Sport
Power-Train: 4.7L V-8
4WD
If 4WD - system: QT-II
Current Mileage: 101xxx
Posts: 20
Just picked up a radiator off amazon, installed it all went well. So far so good. Same radiator at the parts house was more and they would also have to order it. So made sense to do it myself. If this one leaks again I will bite the bullet and get a 100% aluminum one. But so far so good.
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