I held the new air filter up to the grill work while the furnace was on and the suction held the filter up.
Goodman air handler filter location.
If need be i might be able to find an illustration.
Generally you will get some air flow even if the filter is dirty.
Yes the goodman gmt uses filters.
Then use the chart below to find the filter that matches for that width.
As to the no air flow problem it could be a cooling coil that is restricted or is icing up causing air blockage.
There may be about a 2 strip that pops off to expose the filter.
On the aruf air handler the filter would be right at the edge of the air handler where the return plenum connects.
It may take a few minutes.
Does the goodman gmt045 3 use a filter.
That is if yours has a filter.
I will take a couple of pictures and post them.
Your air handler consists of an evaporator coil blower motor air filter and the electrical and electronic components required to deliver enhanced levels of indoor comfort.
It sounds like the problem isn t your filter.
To find the right filter for your furnace measure the front of your unit s cabinet.
Goodman units are no exception as to filter location.
Page 21 of the installation manual covers changing the filter and its location.
Sounds like you need a serviceman.
How to find the air filter at but not inside of the air handler questions answers about the location of air filters on air conditioning heating systems.