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2006 Jeep Commander BASE 4.7L V8 4WD
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Discussion Starter · #1 ·
Hi all! I'm new here, I've tried several other forums through reddit and I figured this would be the best place to try and find answers. So around winter time of last year I had a hose crack on me, I believe it was a T connector for the auxiliary heat? I don't know much about cars to be honest. And I hadn't noticed until my jeep died on the highway from getting too hot. Anyway, a friend suggested we replace the parts that cracked, and we did. We also refilled my engine with coolant, this did not fix the overheating. So we replaced the thermostat, water pump, and fan clutch. Im still overheating! The only thing that seems to help is blasting my hot air, but seeing as how the heat index in Arkansas is around 111°F this makes me miserable. Any advice or ideas on what it could be?
 

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2006 Commander Limited, 5.7 Hemi QD2
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Welcome to the forum. Please read this and fill in some of your details and make a signature with your Commander details. (year, model trim, engine, 4wd system, etc.) It is nice for us know what your Commander has in it so we can better help you.

NEW MEMBER REQUIRED READING!!! Important New Member information, Forum requirements & Forum rules. | Jeep Commander Forum

To make a Signature click here - Signature - How to make or modify

To get the list of everything built into your Commander when built at the factory - have your VIN number (case sensitive) and go here Chrysler Build sheet - Equipment Listing Not necessarily for your signature but so you know what you have.

Also post an introduction in the "New Member" section. New Member Section

You can download a free Owner's Manual here--->Owner's Manual
 

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2006 Commander Limited, 5.7 Hemi QD2
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Registered
2006 Jeep Commander BASE 4.7L V8 4WD
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2 Posts
Discussion Starter · #4 ·
I think I did. I did all the steps, parked on an incline, opened purge valve, and filled until it wouldn't take any more coolant. It got to the point to where, when I would add more coolant it would get sucked into my reservoir rather than my radiator and cooling system
 

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Super Moderator
2006 Commander Limited, 5.7 Hemi QD2
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1,881 Posts
You said the heater works well so that is a good indication that you got all the air out. Next best guess is a blown head gasket. To check - with engine cold, remove radiator fill cap, run engine till hot while watching in the radiator fill port. If you see bubbles in the coolant it indicates a blown head gasket - or a cracked block.
 

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Hi all! I'm new here, I've tried several other forums through reddit and I figured this would be the best place to try and find answers. So around winter time of last year I had a hose crack on me, I believe it was a T connector for the auxiliary heat? I don't know much about cars to be honest. And I hadn't noticed until my jeep died on the highway from getting too hot. Anyway, a friend suggested we replace the parts that cracked, and we did. We also refilled my engine with coolant, this did not fix the overheating. So we replaced the thermostat, water pump, and fan clutch. Im still overheating! The only thing that seems to help is blasting my hot air, but seeing as how the heat index in Arkansas is around 111°F this makes me miserable. Any advice or ideas on what it could be?
Here is a silly, but, necessary question @CommanderDriver06 ;

Did you check & verify, that the fan you replaced is actually working?

Turning on & functioning properly when the engine gets up to temperature?

Also are you receiving any Diagnostic Trouble Codes in the EVIC?

You can check for codes by doing the key dance;

The Key dance is performed by turning the ignition switch on/off 3 times quickly - On the 3rd cycle, you keep it in the ON position - DO NOT turn it off on the 3rd cycle.

Any current or stored DTC's will be displayed in the EVIC.
 
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