heater codes 21,23

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Jul 12, 2016 | 11:22 AM

Pete Georgecopoulos

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Model: Cherokee

heater codes 21,23

have a 95 grand Cherokee limited v8 cant get a/c to blow out of the vents. have changed the heater control and can hear the blend doors moving any ideas?

Jul 12, 2016 | 06:05 PM

Bustedback

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Joined: Feb 2010

Posts: 12,367

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From: Oroville, CA

Year: 1995

Model: Grand Cherokee

Engine: 4.0 with all of the noise and clatter

Is it only blowing from the defrost?

Jul 13, 2016 | 09:12 AM

Pete Georgecopoulos

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Model: Cherokee

yes but mostly bottom heater vent

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