1994 grand cherokee front heat/ac vent not working
07-02-2010, 04:25 AM
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Model: Cherokee
1994 grand cherokee front heat/ac vent not working
I have 1994 Grand Cherokee My heat and AC will not blow through the front vents. checked all vacuum lines also pulled apart vacuum coupler behind dash vent control all have good vacuum. As I turn the vent control I can switch from defrost to floor the only vent that will not blow air is the front. I hae read a lot about the blend door but not sure if that's the route to go I'm thinking that if I change most vent positions would it be the door I think it has to work or I could not change from floor to defrost. but if I knew I would not be asking for help any ideas please respond. I really don't want to have to pull the heater box looks like a nightmare job
07-02-2010, 06:22 AM
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Location: Tenn. and Mich.
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Year: 2004
Model: Grand Cherokee
Engine: 4.7L V8
I have 1994 Grand Cherokee My heat and AC will not blow through the front vents. checked all vacuum lines also pulled apart vacuum coupler behind dash vent control all have good vacuum. As I turn the vent control I can switch from defrost to floor the only vent that will not blow air is the front. I hae read a lot about the blend door but not sure if that's the route to go I'm thinking that if I change most vent positions would it be the door I think it has to work or I could not change from floor to defrost. but if I knew I would not be asking for help any ideas please respond. I really don't want to have to pull the heater box looks like a nightmare job
And Welcome to CF!
Dan
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