I have a 2002 grand jeep cherokee limited edition v6 i have a problem with heat n defrost it all blows out on the floor then its not even hot its super cold like the ac how do i fix this asap

Asked by Jan 19, 2014 at 08:57 PM about the 2000 Jeep Cherokee Limited 4-Door RWD

Question type: Maintenance & Repair

4 Answers


With it blowing on the floor it is a vacuum leak from the engine to the heater box somewhere. I would say on this model that the door actuators are vacuum controlled too. Find the broken vacuum hose and it may fix it all.

1 people found this helpful.

You may be right on the blend door but it will have vacuum to control where the air flows.

2 people found this helpful.

Oh ok. Thanks

1 people found this helpful.

Hey this is how we fix things with advice from all us gearheads. Thanks for the info on the blend door.

2 people found this helpful.

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