I don't see that is your problem. This flapper door directs air either to the floor or up to the defrost. If one is hot and the other not then no coolant through the core. Don't know if this is true but hey, it's all fixed! My truck has a crate 350 and all the smog equipment is gone, so I figure that is why. Instructions for that are available elsewhere online so I won't go into that process.
Some have had to back flush the core to get the air out Please let me know about the operating temp of the vehicle. Mine was broken into 2. Install the screws to the center console duct. I have turned dash control off and back on and still no heat. You may have to check the main vacuum line coming in to the system, located under the hood next to intake. The metal arm is located up and to the right of the gas petal.
Temp gauge varies between 190 and 210 while running. After replacing the fan and clutch, I had to also put a waterpump on that is for a counter rotating motor in order to get enough water thru my heater core to actually get some heat! I had the same issue with my 2005 Duramax when I put new batteries in it, I unhooked the batteries and re hooked them, started the truck up waited 5 min and after that everything worked. Check to see if you can control where the air blows from when using other temperature controls. How many miles on the vehicle? It depends on the year of the Buick. There are basically 4 reasons this happens:.
I have heard a lot about issues with the flipper getting stuck, clogged or just plain unresponsive. I've opened radiator cap with heat on high and topped off, doesnt seem to be air in system. I put used dash control in, made no difference. In reality it shouldnt of taken that long, but i also wired in the front dash speaker since they had been cut out and i messing around the the stereo system figuring out how it all worked and ran together. Does anyone no what the problem could be? Being they want you to be able to defrost the windshield no matter what. There is a flat spot on the rod and a corresponding flat in the plastic door that hopefully will be visible to help get the proper alignment.
You have to take the whole box off to replace it. I discovered today that I only receive air through the defrost vents. One way to test for a bad water pump is to squeeze the upper radiator hose when the engine is hot and idling. On the passenger side are the temperature controls. I highly recommend you clean out the cowl below the windshield, as well - follow this link. Remove the Body Control Module. It comes with a new squirrel cage and has much more power!! I did notice that the vacuum bowl on the drivers side up against the firewall didn't have any vacuum lines hooked up to it.
It's buried under your dash. Either bolt in or weld the panel to your firewall. Install the floor air outlet duct extension 1 to the floor air duct 2. I won't be able to tackle this until Sunday, but I figure I will look at it then as I will be installing a new engine block heater and fill pipe for the passenger gas tank. There are also some vacuum activated doors and you could check all the vacuum lines to them. The former turned out not to be the actuator, nor the control unit.
So thanks for the help I couldnt of ever found any of it without this sit. Hello - I have seen the propeller shaft so worn it was not circulating water very well but it went with overheating. We had questions from customers on where the best location was for the bulkhead on a 1973 -87 Chevy Truck, so we made is simple and pre-made the location for you. So I am dealing with the age old issue with defrost. Milage is like 195000, I flushed out the radiator, temp on guage only comes up slightly-not much movement on temperature guage. If the water pump gasket is leaking, it must be replaced. Solved my overheating problems and no heat problems when I found out everything was running backwards.
Hello - Did you try opening the return heater hose from the core to see if any coolant was coming out? My problem was that the nipples for the vac connections were crumbling and had blocked the system. Install the center console duct. Now there are gremlins showing up everywhere. If you look around, you might find the original vacuum line into the cab. Evaporator Kit for your Chevy Truck: Air conditioning, heating and defrost combinations designed specifically for your truck. Have you found anything since our last chat? My truck has a crate 350 and all the smog equipment is gone, so I figure that is why. It may be the water pump but I am not totally sold on that.