Found problem... um.. kinda - Page 2 - 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 03-17-2004, 09:50 AM   #11
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You can buy the small cans of 134a at most department stores and at all auto repair stores.
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Old 03-17-2004, 02:41 PM   #12
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Bleed the PS system today. The GRRRR is still there. About the air compresor. With my 95 i'm guessing i'm on the newer system. How do i go about filling that back up.
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Old 03-17-2004, 03:31 PM   #13
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Quote:
Originally Posted by Wolfedog50
Bleed the PS system today. The GRRRR is still there. About the air compresor. With my 95 i'm guessing i'm on the newer system. How do i go about filling that back up.
Well, air _conditioning_ compressor... (you do have an air compressor as well )

You should find a sticker on the evaporator housing under the hood that identifies whether you've got R12 or R134a refrigerant in there. Since it'* a '95 I think you have R134a but find the sticker to be sure.

If the system is functioning right now but just a little weak, you can try topping off the R134a. Interdynamics sells a nice little conversion kit which is mainly aimed at people who want to convert from R12 to R134a, but which includes some useful pieces for a straight recharge as well, especially a filler hose with pressure gauge on it as well as three 15-oz. cans of refrigerant with oil.

The pressure gauge on the filler hose is very useful because overpressurizing (i.e. overfilling) the system can be as harmful as not having enough. Look in the usual department stores and you should find it; I think it was around $30 or so. I've seen it at Wal-Mart and at Meijer.

Note that they do sell what appears to be the same filling hose separately, without a gauge, but I wouldn't recommend trying to add R134a to a functioning system without that gauge to give you useful measurements, so you know when to stop.
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Old 03-17-2004, 03:42 PM   #14
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LOL... Thanks for the help.... I'll get her filled up soon.
I know i can't spell either, and spell check takes to long. Feel free to make fun of my speeling anytime.
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Old 03-18-2004, 12:54 AM   #15
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A few more things about the GRRRRRR noise. I can hear it better inside the car. It will do it when i have the e-brake one, the brake to the floor, and rev it up. ( i know it'* not good for it, but it'* the only way to really check the noise) I'm leaning towards PS pump, but i can't get anything back there to listen to it with.. Any sujestions. What does a a torque converter sound like when it'* going bad?
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Old 03-18-2004, 12:44 PM   #16
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It could be a bearing in a pulley that'* starting to go bad. Try this to isolate where it'* coming from:

With the car running, take a shortened broom handle and hold it on each of the assemblies that has a pulley on it (alternator, power steering pump, water pump, etc.). The put the other end of the broom handle up to your ear. If there'* growling present, it will travel right through the broom handle. The sound is so magnified that you shouldn't even need to race the engine to hear it.
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Old 03-18-2004, 02:09 PM   #17
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Did you say you only hear it when the A/C is on? Your compressor may be seizing up. When the engine is off, try turning the inner pulley by hand to see if there are any rough spots or if it hangs up anywhere.
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Old 03-18-2004, 04:12 PM   #18
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The compressor will make some noise when engauged. Try to hear another 3800 with the A/C on, for a comparason.

Maybe the belt tensioner going? When it went on my dads Ultra, it sounded like a PS pump.

Jay
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