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my 91 the heat blows hot but when on high it seams pretty weak, but it does switch speeds from low/med/high. Im wondering if its the blower motor/fan? The ducts all seem to open/close like they should betwean heater/defrost/vent. its a 3.1 if that matters. What does everyone else think?

The door might not be opening all the way. Check vacuum lines

I would put serious money on the intake side of the a/c evap core being plugged. The only way to find out & correct it is to remove the blower motor/fan housing & intake on the engine side. You will find a pic of mine (a 1992) on my photobucket site. Mine was totally plugged with accumulated crap from 20yrs of sucking in debris.

The job is a royal pain the ass, but not impossible. Plus you'll have the chance to finally sand & repaint the housing shiny new black again.





http://i912.photobucket.com/albums/ac32 ... 1-1513.jpg

was it vacuum-able? , or needed a lot of coaxing to come off? probably needs a soaking in some solvent? and would drip all over the inside floor if you washed it in place...

Brush and vac will take it off. Mine wasn't that bad at all... Thank god.

Soft brush with a shop vac running at the same time so it sucks up what you loosen.

wow, that one was pretty clogged. Might need to look into a filter of sort

I was going to do this now that Im fixing the a/c. Isnt there a gasket needed when re installing? Thanks

also found this wonder why its only listed for the 2.3
http://www.rockauto.com/catalog/x,carco ... rttype,712