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#1
October 28th 06, 02:37 AM
posted to alt.autos.dodge
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Heater vent control
Car: 1992 Dodge Dynasty, 3.3L, A604, 160,000 miles.
Just noticed today that no matter which button I push on the vent control, heat only comes from the defroster outlet. I no longer hear the vacuum being relieved like I used to when I changed the settings, nor do I hear the vents opening / closing. Does anyone know of a common point of failure that might cause this? It could give me a starting point before I go and troubleshoot each portion in trying to track down the cause. Thanks! Bret 
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#2
October 28th 06, 03:33 AM
posted to alt.autos.dodge
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Heater vent control
"Bret" > wrote in message t... > Car: 1992 Dodge Dynasty, 3.3L, A604, 160,000 miles. > > Just noticed today that no matter which button I push on the vent control, > heat only comes from the defroster outlet. I no longer hear the vacuum being > relieved like I used to when I changed the settings, nor do I hear the > vents opening / closing. > > Does anyone know of a common point of failure that might cause this? It > could give me a starting point before I go and troubleshoot each portion in > trying to track down the cause. > > Thanks! > > Bret Check the main vacuum connector at the brake booster or the check valve at the booster. The default position is defrost mode whenever vacuum is lost. Glenn Beasley Chrysler tech > >
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#3
October 28th 06, 04:04 AM
posted to alt.autos.dodge
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Heater vent control
"maxpower" > wrote in message . .. > > "Bret" > wrote in message > t... >> Car: 1992 Dodge Dynasty, 3.3L, A604, 160,000 miles. >> >> Just noticed today that no matter which button I push on the vent >> control, >> heat only comes from the defroster outlet. I no longer hear the vacuum > being >> relieved like I used to when I changed the settings, nor do I hear the >> vents opening / closing. > > >> >> Does anyone know of a common point of failure that might cause this? It >> could give me a starting point before I go and troubleshoot each portion > in >> trying to track down the cause. >> >> Thanks! >> >> Bret > > > Check the main vacuum connector at the brake booster or the check valve at > the booster. The default position is defrost mode whenever vacuum is lost. > > Glenn Beasley > Chrysler tech >> >> > > Thanks, that will be the first place I look.
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