1999 Chevrolet Tahoe U Replace Heater Control Valve Does Matter Which Way

1999 CHEVROLET TAHOE
123,000 MILES
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How do u replace heater control valve? Does it matter which way it goes?
Mar 26, 2013 at 4:00 AM
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HMAC300
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it shold only go in one way
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Mar 26, 2013 at 1:48 PM
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