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ok after talking with 1Aauto several times we think we have the problem solved. First let me say 1Aauto customer service is outstanding. I will return as a customer. Guys if you want some one willing to help you call these guys.Now onto the issue. If a moderator is reading this i do ask that you...

yeah i bout a new blend door accutator and flushed the heater core my self. I put the blend door accuator on and it was working backwards as in i turn it to cold and it blows hot i turn it to hot and it blows cold. Also there is no blend as in i turn it to between hot and cold and the acctuator...

jus called my mech buddy and he has one. 20bucks to recali. ill let ya know tomorow if it works

ok thanks. would you happen to know if this will effect the problem of not stopping at the midway point on blending warm and cold air?

just replaced my blend door acctuator. DIdnt have this problem before but now i do. From my research it the head unit needing calibration. there are several techs for this procedure.

yes yes i know every ones saying not another one. HAHa but i have a very strange prob. first off my BABY is a 2000 4wd Hoe. Beautifull green with black accents. set up on some 180`s. So my heat stopped working about a year ago and intermitendly it would blow heat when ac was on. Of course i did...

thanks for all the help everyone :Whoa: it was just the plugs n wires whew

Just got my 01 tahoe about two weeks ago its got 140,000 miles. Had an EGR valve code come up but havent replaced it yet 120.00 bucks damm it. it was running and pulling fine. But now when i put it under a load it runs rough and wont get over 60 mph going up a hill. Flat road its fine as long as...