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Old 11-26-2002, 09:40 AM   #1
72MARIO
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Heater prob in 87 Burban

Hey I have noticed that the vent 's dont blow air out as fast as I think they should the burb has A/C also . Is there a seal in the heater box that is not closing all the way ? Any help would be great.
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Old 11-26-2002, 05:33 PM   #2
87 STEPPER
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Question

What postiton do you have selected??

If it's in heater then you will not have very much air comming from the vents cuz in that pos. the air is diverted to the floor. this is a normal condition.

If you have it in the vent pos. then you need the temp. selector in the full hot pos. and set the blower as necessary for the amount of air flow you desire from the vents.
In this pos. all air flow will be out of the dash vent's.
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