[DML] Re: Cleaning off heater core to improve airflow

["David Teitelbaum" <jtrealty@xxxxxxxxxxxxx>]

You can remove the heater motor and get access to the face of the
heater core. It ain't great but it is enough to get in there. It also
helps to remove the passenger seat so you can lay on your back. If you
have small hands you can reach in and grab the big stuff or you can
just try a small vacuum hose. Also verify that the heater motor is
running in the correct direction. Some aftermarket replacements run in
reverse. You get some air but nowhere near enough. While in there make
sure the drain is not plugged up. You can run a small hose with some
water to flush it out.
David Teitelbaum
vin 10757



--- In dmcnews@xxxxxxxxxxxxxxx, "ksgrimsr" <knut.s.grimsrud@...> wrote:
>
> Hi guys,
> 
> I'm getting pretty low airflow through my heater/AC system and suspect 
> that I have an accumulation of lint on the heater core restricting 
> airflow (which would be reasonable for my 190K mile car).
> 
> I reviewed the workshop manual that outlines how to remove the core 
> (including discharging the AC system, emptying coolant, etc). I don't 
> really need to remove/replace the system, I just need to expose it 
> sufficiently to allow me to vacuum it off well.
> 
> Does anyone have first-hand experience with this that can provide 
> recommendations for how to best clean off the core (hopefully without 
> wholesale removal of everything)?
> 
>     Knut
>




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