Couple of questions - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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 07-06-2010, 08:24 PM   #1
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Default Couple of questions

Hi everyone. I haven't been around in a while. I've had my Bonne for a couple of months now but have yet to drive it. When I start it, I notice that the radiator fans spin. Neither spin at all. Even when I have someone rev, nothing. Is this normal? I've heard that it doesn't kick in until it reaches 200+ degrees. I'm not sure how true this is. I don't know if I would need to replace it or not. Any help with that would be great. Also, how often should I flush the transmission fluid? I know these cars require some maintenance, especially when it has 189,000 miles. Lol. Any help would be greatly appreciated. She'll be going on the road this week and I'm kind of afraid to drive her. I'm not sure why. I know these cars are good cars and I know the 3800 Series engines are great.
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Old 07-06-2010, 08:38 PM   #2
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it might take a minute but should kick in at or a hair past 200. do you have air cond. because mine always run when its on.just start it then turn a/c on and they should start.....
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Old 07-06-2010, 08:40 PM   #3
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Quote:
Originally Posted by boostn96 View Post
it might take a minute but should kick in at or a hair past 200. do you have air cond. because mine always run when its on.just start it then turn a/c on and they should start.....
I do have A/C. But it blows hot. My uncle who gave me the car told me he charged the A/C before handing it over to me. I don't know what'* going on with my car.. lol
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Old 07-06-2010, 08:42 PM   #4
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but do they turn on. it dont matter what its blowing
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Old 07-06-2010, 08:45 PM   #5
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The fans come on at low speed at about 195-205. The fans come on at high speed somewhere around 220. (These points can be changed via software or an override switch.)

However, the fans are always on high if the air conditioning is turned on, because it adds load to the engine.
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Old 07-06-2010, 08:46 PM   #6
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you might want to check the actuator for the air mixture door .if you go to the tech forum and look up "a/c blowing hot"you will find what im talking about.
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Old 07-06-2010, 08:47 PM   #7
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exactly!!!
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Old 07-06-2010, 10:13 PM   #8
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When you turn the A/C on do you hear the compressor kick on? A/C compressors fail on these cars all the time.
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Old 07-07-2010, 08:07 AM   #9
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The low speed fans come on at 216F and high speed at 228F, per fhe FSM.
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Old 07-07-2010, 03:49 PM   #10
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thanks everyone for the input. It'* really appreciated. This is why I love this place. . Now how about the tranny question? Do I have to flush it? How often does it need to be done? I'm not sure if it'* been done yet or not.
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