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Re: heater help Posted by Ari [Email]  (#2847) [Profile/Gallery]
(more from Ari) on Mon, 4 Nov 2002 15:56:19
In Reply to: heater help, Dave P., Mon, 4 Nov 2002 15:36:03 Members do not see ads below this line. - Help Keep This Site Online - Signup |
I assume the temperature gauge is getting up to around 8-9 o'clock. I also assume your blower motor is working. No airflow, no heat.
It will be useful to know if you have manual heat controls (knobs) or ACC - since you didn't say you had an S or Turbo models, I'll assume manual controls.
Open the hood, and at the base of the windshield there is a horizontal plastic cover. Depending on year, there are either two of them, one on either side of the air intake grill, or just one big one. If one, remove it; if two, remove the one on the Left side (facing forward; passenger side on US cars).
Look in, and you'll see the box with the grill on top that contains the blower motor and heater core. To the outside of the car (passenger side) is the AC evaporator coil. Sticking horizontally out of the box with the grill is a shaft. On the shaft is an arm, and on the arm is a piece of stiff wire that goes back into the dashboard. That's the arm for the heater control flap. In the 9000, the heater core is always hot. The flap mixes air flow - heater air for more heat, outside air for cold.
Quite often the arm breaks off at the tip, and the flap, well, flops over. It flops to the cold side in the winter, to the hot side in the summer; Murphy's law.
If all is right, the wire should be attached to the arm, and the arm to the shaft. Turning the heat control will move the arm forward and back.
If the end of the arm is broken off, get to a Saab dealer and get a "Mixer Arm Repair Kit" - about $8. You can use it to fix the arm.
If everything looks right, make sure the arm moves when you turn the knob. If not, you'll need to get into the dashboard to troubleshoot the connection to the knob.
This works too for ACC units. but if the arm is OK and the ACC servo isn't moving the arm, write back and we'll go from there.
posted by 192.249....
, Mon, 4 Nov 2002 15:56:19 <-- Viewing This Message
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