2003 Jeep Liberty 3.7L Flushing The Heater Core




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Did this video help you?

DeathScouter: Flushing the core and topping off the fluid DID fix the immediate problem. However, Jeeps are NOTORIOUS for losing heat as a result of the "air mixture doors" breaking on the INSIDE of the vent system. These are the doors that open & close when you move the temperature knob on the dashboard and allow/disallow air to flow over the heater core (or not) and route cold/hot air into the vents. There are 2 doors (1 over the other) that tend to break in the middle of the hinge. These JUST broke (Dec 2013) so I'll be doing a video on fixing these soon.

Annony Mouse: I'm not getting heat either but the RPM doesn't seem to matter, no heat at any speed. Is this the heater core possibly or could the thermostat have something to do with my lack of heat?

Pete Riley: Gret video. I was going to go to the mechanic. This will work!

leslieannsmithhayes: Hello, my 2002 Jeep Liberty Sport has quit heating, not good time as our Polar Vortex hits in MT, lol, so did checking on line. We took it to local Mieneke , they said heater core needed flushed, might as well change it, lol 1,000 plus part cost. After watching your video it looks pretty simple to flush, all an all its been a good running vehicle. Wishing I had a garage, I'd do it myself, seems the mechanics in the shop, and at dealership want to make some money, lol I caint afford those prices, how can I find a honest person to do this for me without raking me over the coals. It's been very upsetting to me. We all got problems, my moms got OVC ovarian cancer, did BRCA testing three of us daughters positive, did screening, did preventive opps, removing ovaries, found BC in my middle sister, I drive 60 miles or so to get back home from where I live to be at moms, dad had operation begining of Nov 60 miles from there, took mom up there, and no heat. hubby said oh Ill look at it, but storm hit. Now, driving car with barley no heat. Soooooo upsetting to have peeps tell me 1,000 dollars to replace heater core, wowza cried off an on at work yesterday. How do I explain to someone it looks pretty simple to flush, and their prices are horrific compared to watching what you did. : ( 

ktandrews1995: Hey there. So i have a 2002 jeep liberty sport. At first the blower wasnt working to full potential so i replaced the resistor. Now it works better however, i have to wait for heat. Once i get heat it lasts for 30 seconds i then close the vents wait reopen them and it works again. Any ideas on what the problem is?

Josh Hodges: Now after I do this, do I need to flush the air out of the system? And how do I do that

kevswick: Did you have to leave the fresh water hose lying on the ground just running away? Waste of precious water drives me crazy!

Jignesh Rathod: Thanks. Great job with explanation and video shooting while clamping the hoses on :)

John Long: I just wanted to say THANK YOU! I am in Minneapolis Minnesota with my newborn son and girlfriend. I live in Cincinnati Ohio and needed to get home for thanksgiving. And.......My car wouldn't get heat. I watched your video and followed the steps (finished at 3a.m.-in 10° blistering cold) and will now be able to go home in time, THANKS A MILLION!!!

James Beasley: I flushed my heater core on my jeep liberty and now I have heater again.This saved me a couple hundred dollars😂😂😂Thanks Google!!!

Ricky Ricardo: Wish it was that easy to replace the heater core, mines pumping evaporated coolant into the cab haha. Is there a way to do it without taking the whole dash out? HELP PLEASE.

Javi Tait: What if my jeep only gets solid heat at 40° and up????

Napalm The Scortcha: Can A Clogged Heater Core Cause your car to run hot or over heat??? Thanks

Brundon: thanks

Brad Fahey: Did it fix it?

jagerman06: I'm with Brad, did it work? My heat had same problem, so I'm assuming from the disgusting coolant flush I just went through

BKofficer23: Did you drain the reservoir before detaching it?

torres34690: i look forward for front brake disc and the rear drum brakes..not to mention adjusting parking brake cable.. change the thermostat as well.

torres34690: nice commentary.

DeathScouter: No, I didn't drain it, but probably should have. Actually, my coolant was really low or else it would have dawned on me to capture it.
Rating:
2003 Jeep Liberty 3.7L Flushing the Heater Core 4.6 out of 5

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2003 Jeep Liberty 3.7L Flushing the Heater Core