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I'm wondering what everyone thinks about this.....I have the dash apart somewhat on my '93 940....side console panels off, radio out, glovebox out, and was wondering whether or not I should replace the heater control valve. I've read that these tend to fail, by cracking and then leaking, b/c they are made out of plastic. My wife will be driving this car and I don't want to worry about catastrophic coolant loss, and the prospect of getting antifreeze in my newly cleaned interior. So...how hard a job is it to replace the heater control valve? Would it be worthwhile? How common are failures of this mechanism? Is mine definitely plastic, and if so...does anyone sell a metal replacement or some sort of improved version that won't break?.....thanks a bunch for your opinions.
Ben Costello
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