Question about 2000 Jeep Wrangler

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2000 jeep wrang a/c works good but heater is luke warm good air flow

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  • 75 Answers

Try flushing the heater core should be two rubber hoses feeding into the firewall disconnect both hoses and flush with garden hose in bothe directions multiple times

Posted on Oct 26, 2012

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Posted on Jan 02, 2017

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SOURCE: Heater problems on my 2000 Jeep Grand Cherokee. Please Help!!

THis is a know problem with Jeep GC. If only one side is cold and the other is hot and there are no controls error codes. It is likely a broken temperature blend door on the faulty side (w/ dual controls). Dealer charges a lot to fix ~$800. There is a kit and instructions sold on EBAY to replace the part for $100. Seller claims that a relative novice can fix w/o removing the entire dash board as the dealer does. Has sold hundreds of kits....people seem satisfied....you may check it out. Search Heater Blend Door Jeep on ebay. Replacement parts are aluminum instead of OEM plastic.

Self Diagnostics on HVAC system. Jeep GC has built in diagnostics and will return error codes on the temp display if it is otherwise. Simple to display.
1) Press A/C and Recir button simutaneously
2) Rotate driver temp control knob clockwise then release buttons
3) If no controls error a code of "0" or "00" will be returned.
4) Error codes listings can be found on-line if anything but zero

Dealers charge $45 to run the same check

Posted on Jan 21, 2009

  • 2 Answers

SOURCE: 2006 Jeep Grand Cherokee Laredo ac not cooling

My 1999 limited does this. When i bought it off the guy he said that its because of some flap down by the passengers left foot. In mine the passenger air barely even blows because of this.

Posted on Jun 20, 2009

  • 21 Answers

SOURCE: Heater

your blend doors are broken a common problem for the jeeps 1999-2004 e mail me at mrenc@msn.com and i will send you a link to a web site for a repair kit that will cost les than the 1200-1500 a dealer will charge to fix this

Posted on Dec 02, 2009

  • 1509 Answers

SOURCE: heater blows cold air when stopped and warm air

Most of the time it's because the cooling system is not completly full just a quart low will make it do this and if it's low theres a leak somewhere so it needs to be found and fixed. as simple as the hse from the raditor cap to the resivoir or the cap being bad or just dirtly. If anything appears dirtly not clear fluild green or red but clear then you need to flush the system. and then make sure its filled completly and recheck after youve drove it as its diffacult to get all and air out and your problem will be corrected.

Posted on Dec 05, 2009

  • 9 Answers

SOURCE: 1997 Jeep Cherokee - Blower motor stopped working.

Check the relevant fuses with a test-light or VOM, don't just "eyeball" them as they often break at the very end. Then check the heater/A/C relays on the electrical panel. The heat/cool is controlled by a stepper motor which opens and closes the air "mixing box", but it won't work with a bad relay. If all of those check-out, you need a OBDII code reader to check the "engine" computer, as it controls the electrical modules. Also check the fusable links going to the electrical panel, and the cable from the battery to the panel. The cable may be corroded in-two and you'll never see it, so no juice to the panel, no juice to the heat/AC system. (I had a Dakota do that.) PS: Double check the grounds that they aren't corroded. Learned about that from a BSA Gold Star production racer.....

Posted on Mar 27, 2010

Testimonial: "Many thanks, Walker. Tt was the fuse in the kick panel. Looked ok, but NO continuity. I used the 10A spare and everything worked. Thanks!"

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Heater temp on high only bows luke warm air after driving. A/C works just fine.Plenty of cold air from it


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Jan 27, 2016 | 2000 Chrysler 300M

1 Answer

Both hoses are hot, heater core not clogged, blend doors work fine (already check via cutting in the assembly for repair), blower works fine, luke warm heat coming out 1999 jeep grand cherokee laredo


ok, its just a heat exchanger.
all that matters for heat is:
1: the engine must reach 180F + and hold, does it.???
we use the scan tool , is ECT reading that, good.!

or hand IR pyro gun,,, pointed at the thermostat housing
then pointed at both heater hoses.... what do they read.

2: the hot water must flow through the core, must.

3: air must flow through said core. (damper or dirt blocking core)

1,2,3.
gotta be...

back flush the core? yet? see it flow good?

Sep 01, 2015 | Jeep Cars & Trucks

1 Answer

Heater only works while accelerating


this sounds like the coolant is low and should be checked.when you accelerate the coolant flows faster through the system.when at idle or driving slow the air will accumulate at the highest point which is usually the heater core thats why when in this state you get cool or luke warm air out the vents.

Nov 01, 2011 | 2004 Jeep Liberty

1 Answer

I have a 2000 chevy impala my heat doesn't work,


first it to verify the coolant flow. I suspect the heater core isn't flowing, you may need to take a garden hose and take both heater hoses off, and flush in both directions to clean the heater core. flush in both directions until you get clean water flow. I am assuming the coolant level is OK, and the water pump is pumping and the engine is getting warm enough.

Sep 15, 2011 | 2000 Chevrolet Impala

2 Answers

I have a 2000 Grand Jeep Cherokee Laredo (6cyl). It was blowing only cold/luke warm air. I replaced the thermostat. Still blowing the same only now the radiator cap is cold but hoses are hot. ...


It is likely you have air in the system. Park on an incline, take the radiator cap off, start the car, let it warm up until the thermostat opens, fill the radiator until it stops going down. See if that doesn't get you some hot air. If not, try the other steps I have in my post at http://www.fixya.com/cars/r6235876-no_heat_fan_blowing_cold_air . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me.

Dec 13, 2010 | 2000 Jeep Grand Cherokee

1 Answer

Cool air coming from my 1990 deville changed raditor and therm. still luke warm.


try backflushing the heater core,remove heater coolant hoses and flush both ways with a garden hose,do you have a air compressor ,blow water back through heater core both ways,this asuming that all valves are working allowing coolant to flow and all air doors in car are opening,if so this fix has worked many times for me in older cars note works better to hook water hose to hoses or a short peice of hose on heater core,good luck

Oct 01, 2010 | 1995 Cadillac DeVille

1 Answer

2002 wrangler I6, no heat


Hi:
You most likely have a partially blocked heater core, and at least it isn't leaking on the floor.

You might have sucess in trying to flush your cooling system, but often you end up replacing the heater core to fix the problem. Other possibilities are blockage of the air inlet on your heating system by leaves or other debris, but not likely in this case if you still have good air flow, but just not hot air.

Jan 30, 2010 | 1998 Jeep Wrangler

1 Answer

Mercedes 190E heater blowing just luke warm air


there should be an electric water pump exclusively for the heater. on these 201 body cars it should be under the hood, on the passenger side,near the fender well. when the heater is engadged, this pymp should turn on pushing the hot water into the heater core. if these are not working, it will obstruct the water flow.

Nov 28, 2009 | 1993 Mercedes-Benz 190

2 Answers

My 2000 s10 chev does not blow hot air on heat.the heater core is clean.the ac works fine.when you move heater control to heat just luke warm air comes out with temp at 195


PERHAPS SOMEONE HAS REMOVED THE THERMOSTAT. OR MAYBE THE HEAT CONTROL VALVE IS NOT OPERATING IN FULL RANGE. HOPE THIS POINTS YOU IN THE RIGHT DIRECTION. PLEASE LET ME KNOW. THANK YOU FOR USING FIX-YA. AND THANKS IN ADVANCE FOR ANHONEST RATING

May 07, 2009 | 2000 Chevrolet S-10

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