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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-20-2010, 03:49 PM   #1
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When I turn on my A/C or heat, with the blower on high, it never blows very hard. All of the positions on the switch work and max air makes it a bit louder. I am guessing a door is not opening all the way? My AC is ice cold, and the car will cool down but I would like it to blow much stronger.

Second question is about my head lights. I upgraded to HID headlights, they work fine. One quirk is if I happen to be driving when they automatically come on, the dash chimes and the traction control and abs lights come on and stay on until I turn the car off. next time I turn it one, everything is fine. If I turn the lights on by hand, it will do the same thing. If I turn the lights on and then start the car, everything works just fine. Any ideas?

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Old 05-20-2010, 03:52 PM   #2
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I believe the headlights/brake issue was said to be related to corrosion/ground bus problem, but I'm a bit foggy on that exactly. Someone else can probably say for sure.
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Old 05-28-2010, 09:56 AM   #3
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So, do you not get much air out no matter which ducts are in use? In other words, does the distribution to vent/heat/defrost ducts work as it should, just low volume? Recirculation vs outside air working identically?
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Old 05-28-2010, 10:26 AM   #4
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The pathetic airflow is probably the standard feature that all of us 92-99 guys complain about. You can pull the blower motor and check for debris clogging the area, but likely it'* blowing as much as it can.

On the lights, do you have a twilight sentinel setting on the **** of your headlight switch?
Have you ever pulled the headlight switch? A common issue with 1995 headlight switches is melting and burning up. Call it a "feature"

Here'* how the one in my first Bonneville looked and how I handled it.
https://www.gmforum.com/showthread.p...adlight+switch
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Old 05-31-2010, 12:50 AM   #5
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The problem with the lights went away on its own. Thanks for the info on the blower, I did not know that it works that way. It sure would be nice to get it to blow harder for when you just get in the hot car. After a bit, the car cools off just fine...so I can live with it.
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Old 05-31-2010, 12:56 AM   #6
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Check this write up on cleaning your EVAP. If this is dirty it will reduce the air flow.
https://www.gmforum.com/normal-maintainence-138/evap-clean-278997/
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