Older cars like the Z32 have no cabin filter. Over time lint, fibers and other debris collect on the evaporator and cooling diminishes. I have been resigned to one day removing the evap and either replacing or cleaning in it. Recently I've seen videos on youtube of foam products designed to clean the evap by applying through the condensate drain tube. Some remove the blower motor for better access. In the Z32 limited access to the evap is possible by removing the "radio' bezel and the fan speed resistance. Has anyone tried this method?
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