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Message: [QUOTE="Atsah, post: 443151, member: 186"] Two things that will cause this you can check.. 1.) The metal pipe that the heater hose hooks onto. The one that curves around the alternator and goes down to the timing cover near the water pump. Remove the pipe, and check to make sure the end of the pipe is not clogged with rust or other crud. I have seen them, with a rust chunk stuck in the end of the pipe, and cause no heat at idle. 2.) The temperature blend door motor actuator is located behind the glove box. It is on top of the heater box. There is a square in a circle that is the end of the shaft. You can watch this as you turn it from hot to cold to see if it moves. I have also seen a few times, the door inside the heater box break off the shaft where the actuator motor turns it. This allows the blend door to move around at will. If you remove the actuator, you can turn the door by hand from the spot where the actuator fits to check the door. This is most likey the issue.. Your not getting any residue around the bottle correct? [/QUOTE]

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