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2000 Lumina A/C Interior Fan Motor Not Blowing

5 messages,  Last post on Sep 03, 2009 at 11:57 PM

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#3 of 5 Re: 2000 Lumina A/C Interior Fan Motor Not Blowing [emmanuelchoke] by tracey12_12 Jun 13, 2009 (3:53 am)
Replying to: emmanuelchoke (Jun 11, 2009 6:56 am) THANKS! Thats a huge help. I'm sure I can find it now, but I'm not the kind of guy that can easily fit in that spot. I'm 6' 4" and 250 so its going to be real fun, especially in the heat. Maybe I'll get a light and do it after dark. Thanks again.
#4 of 5 Follow up by emmanuelchoke Jun 17, 2009 (6:00 am)
You're welcome, I hope it fixed the problem. Speaking of which, this may be of help to others. My Lumina (98 with 3.8) would stop blowing air, hot or cold regardless of the ventilation switch setting or fan speed whenever the engine was under load (not w/o throttle,map sensor over 23). The fix, for my car anyway, was to replace the vacuum line to the vacuum reservoir. The line runs from a T connector near the positive terminal of the battery, under the windshield washer fluid tank into the driver side fender. It hooks to the vacuum reservoir, a black, hard plastic sphere about the size of a large grapefruit. You can access the reservoir by removing the battery or from underneath by removing the plastic panel directly below the driver's side side marker. Somehow the line had been crushed, most likely when I replaced the battery.
#5 of 5 2000 Lumina: Won't Idle...Just Dies by tracey12_12 Sep 03, 2009 (11:57 pm)
Here's is what its doing: Lately, I've had to give it a little gas at startup to keep it from dropping down to a very low idle and then it dies. This happens in seconds and it does not stop at about 700 rpm where it would normally unless I give it that little bit of gas and let off the gas slowly. Then, the Lumina would sit at 700 and idle just fine.   Tonight, things got a little worse. Now, unless I keep giving it gas, it will drop right off and die. It will no longer fall down to 700 rpm and idle there as usual though I give it gas at the start.   So, as I drove home tonight, the engine ran fine, but as soon as I let off the gas, the car died on the spot. At lights, I had to depress the brake and gas at the same time to keep the car running.   Ideas please! What is it!?   (possible dirty air filter, way past needing new oil change, been too busy, and gas filter is a year old. New spark plugs about 8 months back. Spark plug wires OEM from day 1, got a CEL but no ideas yet as to what it is. Going to autozone to use their reader)

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