[DMCForum] Re: BUMP - No air blows when on vent, heater, or defrost

["cruznmd" <racuti1@xxxxxxxxxxxx>]

Hi Derek, 

I didn't see your original post. You're my closest sister VIN so I 
would have responded if I had seen it.

When you switch to vent, heat or def does the fan motor keep working 
or does it shut down? On heat or def you're not supposed to get 
anything out of the console vent and only a whisper out of the 
doors. Check to see if air comes out at the floor in the heat 
position.

Also, with regard to the lack of temperature change, your heater 
core could be clogged or the heater valve in the engine compartment 
could be stuck shut. Also, make sure the cable from the temp knob is 
attached. Do you have resistance when you operate it?

Rich
#5335

--- In DMCForum@xxxxxxxxxxxxxxx, "lakelanier20" <derek4567@xxxx> 
wrote:
> 
> No one knows or no one cares?
> 
> Man... and I wrote that nice intro and everything...
> 
> 
> >>Originally posted Fri, Dec. 10, 2004 3:54 p.m.:
> 
> Hi all,
> Alright, I've got another question here on how to fix
> something. I know that I usually only post when I need some advice,
> but I promise I'm on here everyday and feel like I know you guys, 
so
> I hope you don't think that I only come on here when I have a
> question. I'm kind of a shy person in real life, so I guess that
> somewhat translates to my forum habits.
> Now that that's settled.... :)
> 
> When my mode switch is on "max a/c, norm a/c, or bi-level," air
> blows just fine and the fan-speed switch does exactly what it's
> supposed to, at all 4 speeds. But when I switch to "vent, heater,
> or defrost," no air blows out at all. You can turn the fan speed
> switch to whatever you like and nothing happens. I read in the
> owner's manual that when the heater is on, air comes out of the
> footwells, and I haven't checked if it actually does on mine or 
not,
> but on all three of these settings, absolutely nothing comes out of
> the middle console or the door vents, and on a cold night the
> interior of the car does not warm up. I know my fan motor works,
> because as I said it's all fine and dandy with the A/C, and also
> there is that normal "vacuum" sound that lasts for a second or so
> when switching between modes. I don't think it's a vacuum issue,
> it's just a matter of getting the blower to turn on when in a
> heating mode. But then what do I know, I've only had my car for 4
> and a half months.
> 
> -Derek L
> VIN 5302

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