I have very low heat from my 2001 Grand Cherokee.

Asked by Dec 30, 2014 at 09:39 PM about the 2001 Jeep Grand Cherokee Limited 4WD

Question type: Maintenance & Repair

There is heat but its doesnt get hot. Anything under 18 degrees, we freeze! Otherwise its
ok, not hot though. I have replaced the blend doors with aftermaket product, which has
failed. I disconnected the motor and taped the doors open for heat. Had mechanic check
fluids and its all good. It does not over heat and heats up to temp. I had someone
suggest it might be one of the vent door not opening properly. What would cause this?

8 Answers

vacuum leak. prolly same vacuum that goes.to.cruise control

1 out of 1 people think this is helpful.
92,535

I've got the same problem with my 02, I have checked all of the mode and blend doors and they all work, what has helped is turning on the recirc door after the engine is fully warmed up, if it starts to fog up inside I switch it to defrost, the A/C light turns on the windows defog, then I switch it back to recirc. From what I can see the heater core looks a little too small for the rig. I was toying with putting in an aux heater in the cargo area but decided not to as those really cold days are few and far between out here, so I got one of those little 12 volt heaters off of EBay And it seems to do what I need.

1 out of 1 people think this is helpful.

maybe its got the wrong thermostat...or no thermostat. i.suggest checking vacuum, thermostat, and flush the hell out of it. also very important-get the air out of cooling system! either burp it the ole fashioned way or use a bleeder valve.if it jas one.

92,535

Have you ran a system check on the HVAC system? You will have the typical blend doors codes, but if you get more than those it is possible the fresh air intake door is stuck full open so your pulling 100% outside air. Might be worth a look, if you have modded the heater then you know where the servo is and you can see it function when you turn on and off the recirc button. I think you can rule out the thermostat and air in the system, as these rigs have the backwards cooling system and any air or thermostat problems are noticed very quickly. Hope this helped.

1 out of 1 people think this is helpful.
10

Hello i have a jeep grand cherokee wj I checked the blend doors, I have clean the heater radiator but my jeep does not heat inside the cabin the radiator is very hot. Anyone can help me?

92,535

So if the engin is at operational temp, and the heater core has good flow both in and out but you still don't have any heat inside then the only thing it can be is the blend door that changes from Heat to A/C, do a search on You Tube and watch those that show up, I did the kit on my Grand Cherokee that did away with the dual controls so I could just use the drivers side as the main control?

2 out of 2 people think this is helpful.
10

Can y send me the link of this video plz

1 out of 1 people think this is helpful.
92,535

https://www.youtube.com/watch?v=kIWnuZ8vkEE There are a lot more there also.

Your Answer

Add photo

Related Questions

  • 2001 Jeep Grand Cherokee 17 answers

    I have a 2001 Jeep Grand Cherokee the check engine light came on as misfire cylinder 3 I fixed that replaced the coil pack and spark plugs the the check engine came on for 02 sensors I fixed those a...

    2001 Jeep Grand Cherokee Laredo 4WD

    -

    Maintenance & Repair

  • how do i reprogram my 2001 jeep Grand cherokee seats 5 answers

    well i just bought this 2001 jeep grand cherokee limited and i see that everytime i unlock the car the seat goes to a personal set postion. and im short so i have to move it evertime. i dont wanna hav...

    2001 Jeep Grand Cherokee Limited 4WD

    -

    Maintenance & Repair

  • I have a 2001Jeep Grand Cherokee Laredo 1 answer

    I have a 2001 Jeep Grand Cherokee Laredo. I am having starting issues. My car starts great and then I drive (even short distances) shut it off and it won't restart for about 2 hours later. When I...

    2013 Jeep Grand Cherokee Laredo 4WD

    -

    Maintenance & Repair

  • My 2001 Jeep Grand Cherokee LTD, climate control fan works, heat works, but won't change modes, to floor, defrost, vent, etc 3 answers

    Climate control won't change modes, from floor heat, to vent, to A/C. Heat & A/C work, can hear fan go on from low through high, but nothing blows out the floor, vent, defrost vents. Any idea's what...

    2001 Jeep Grand Cherokee Limited 4WD

    -

    Maintenance & Repair

  • Looking for Used Jeep Grand Cherokee....... 3 answers

    Im looking for a 2000-2004 used Jeep Grand Cherokee. I would like to spend less then $10,000. Some options it needs to have are leater, tow package, roof rack, cd player, etc. If anyone has any ideas ...

    Jeep Grand Cherokee

    -

    Shopping & Pricing

Grand Cherokee

Looking for a Used Grand Cherokee in your area?

CarGurus has 74,159 nationwide Grand Cherokee listings starting at $800.

ZIP:

Search Jeep Grand Cherokee Questions

Jeep Grand Cherokee Experts

#1 inuevafreak
inuevafreak
Reputation 2,060
#2 Tom Demyan
Tom Demyan
Reputation 1,830
#3 thejeepdoctor
thejeepdoctor
Reputation 1,740
View All

Related Models For Sale

Used Jeep Cherokee
429 Great Deals out of 52,962 listings starting at $1,800
Used Jeep Wrangler
278 Great Deals out of 18,077 listings starting at $2,950
Used Ford Explorer
931 Great Deals out of 72,327 listings starting at $1,499
Used Toyota 4Runner
236 Great Deals out of 20,490 listings starting at $1,800
Used Dodge Durango
266 Great Deals out of 22,630 listings starting at $1,200
Used Chevrolet Tahoe
559 Great Deals out of 28,789 listings starting at $1,699
Used Ford F-150
2,211 Great Deals out of 205,382 listings starting at $1,499
Used Chevrolet Silverado 1500
1,658 Great Deals out of 174,454 listings starting at $1,300
Used BMW X5
409 Great Deals out of 16,914 listings starting at $1,999
Used Jeep Liberty
239 Great Deals out of 7,245 listings starting at $995
Used Chevrolet Camaro
205 Great Deals out of 30,804 listings starting at $1,217

Used Cars For Sale

2017 Jeep Grand Cherokee Limited 4WD For Sale
12 Great Deals out of 16,512 listings starting at $30,275
2016 Jeep Grand Cherokee Limited 4WD For Sale
65 Great Deals out of 960 listings starting at $26,370
2015 Jeep Grand Cherokee Limited 4WD For Sale
67 Great Deals out of 1,793 listings starting at $20,602
2014 Jeep Grand Cherokee Limited 4WD For Sale
122 Great Deals out of 3,510 listings starting at $14,465
2013 Jeep Grand Cherokee Limited 4WD For Sale
147 listings starting at $12,977

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.