Ac bblows hot air driver side and cold on passenger side
I never heard about a need to "reset" or replace a blend door.
If a/c, you probably need some Freon recharge. My 2005 Bonneville had this problem with the a/c. I looked at the blend doors for hours, before getting a clue about the low Freon. You'll probably need to go to the dealer or an a/c specialist to have it checked. It may ony need 1/2 a can of Freon to fix.
SOURCE: 1998 Pontiac Grand Prix A/C Blows hot on drivers side coldeer on passenger
i have an Idea. first of all make sure that all of your vents are not plugged up. next check your heating coils to find out if only one side is hot or the other is only cold. i need more info
SOURCE: air conditioning
On a w body car with a single temp adjustment control (not a dual zone) your problem should be a low refrigerant charge. Due to the design of this evaporator, a low refrigerant charge will cause the furthest areas from the inlet and outlet hoses (the drivers side) to not remove the heat from the incoming air. This allows the air on the drivers side to be outside temp but refrigerated on the passenger side. In cars with Dual Zone controls you must not only verify the refrigerant charge level, but also check the mode doors which control the air flow and regulate the temp. To check the refrigerant level do not use pressure gauges alone. Verify a proper charge level by checking the temperature of the two aluminum lines going in to the firewall of the vehicle. With the A/C set to high the temperatures should be within 5 degrees of each other. If not, then there is a charge issue. I hope this helps
SOURCE: What do I have to remove to access blend door actuator
very lenghty process. too long to describe here....go to Bonneville Forums read the text and follow linked there at the bottom....very good and detailed....I'm doing that right now,,,,it is a bugger,
SOURCE: 2001 Pontiac Aztek power windows do not work when
Inside the door is a pair of rods, connecting a wire in a figure 8 pattern. There are four tiny little plastic tabs that surprisingly, break off fairly easily. I had mine break off when A GPS suction cup prevented the window from going down in auto mode and the window dropped into the door. Without those four plastic tabs, there is no way to connect anything and you have to get an entire new assembly for your window. You might be able to fabricate yourself some new ones, but if you can do that, then you're not on this site to begin with. The dealership wants an arm and a leg, but the unit is fairly self explanatory as long as you're comfortable taking your door apart and working on it yourself.
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