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51 messages,  Last post on Oct 23, 2006 at 6:21 AM

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#42 of 51 Temperature Control by trfar Sep 08, 2006 (7:31 pm)
Help! I have a 93 LeSabre 4 door, V6 Automatic. Recently while I had the AC running, the blower began to become intermittent and even though it was on high speed, it would modulate between speeds and or completely shut off for a time. I took it to a local shop and they told me the codes read that the freon was low and that caused a sensor to turn off the blower and lock to the "econ setting". He convinced me that it would require a retrofit and new type of refrigerant. A couple hours later they called and said the code read the temp control module in the dash was bad. I purchased a used one from a wrecking yard and had the same problem. I took it to a Buick dealer and was told by the shop mechanic after an inspection that these type of problems are difficult to trace and can cost thousands to eventually locate and repair. He told me it was again low on refrigerant and to take it back to the first place as it was guaranteed not to leak. Once back at shop #1, they checked and said it was a little low and filled it back up but could not find a leak even with dye in the system. It worked great for a day then the same problem happened and the blower only works intermittently or not at all. Again shop #1 checked and said there was no leak and the refrigerant was not low. The codes were clear and indicated no problems even though there is. Since it is fall, the AC ceased to be much of a concern and the need for a heater is now the focus but, that does not even work. If all else fails, can I bypass the control, and hot wire the heater? Suggestions? Replies to this message: imidazol97 (Sep 09, 2006 4:15 am)
#44 of 51 Re: Temperature Control [trfar] by imidazol97 Sep 09, 2006 (4:15 am)
Replying to: trfar (Sep 08, 2006 7:31 pm) I'm guessing that you had automatic temperature control with a digital readout for setting the temperature?   If I'm right, your mechanic should have check the blower control module that's in the housing near the blower motor on the firewall under the hood. The blower control module does what the resistors do on a standard blower setup only it's electronic giving more speeds. Follow the power line from the blower motor to the unit, about 4 in x 1 in x 6 inches. It goes into the air path inside the housing endwise and the air stream cools it.   They typically fail and the blower won't shut off even with the key off. Sometimes they give strange speeds on the blower with erratic changes. That's what ours did. I believe they're available at Advance Auto parts, the chain store and of course recycling yards.
#49 of 51 Re: Paint Bubbling [susieskunk] by jjz1 Oct 11, 2006 (7:53 am)
Replying to: susieskunk (Aug 24, 2006 1:31 pm) Hi. I also have a 2000 and the paint on mine is bubbling at the lip of the hood and deck. I have been told that this is due to the fact that the hood and deck are aluminum, and this is the aluminum reacting to the paint over time. I don't think their is any recall, but the good news is that aluminum corrosion does not rot through nearly as fast as steel, and is easier to repair. I'm not a mechanic or body guy, but stripping, priming and repainting the area should practically fix it for good. After 1 1/2 years of owning my car, there is no new bibbling since i bought it and only 1 small chip of paint has come off, so it doesn't even seem to be too urgent of a problem (ie, replacing the panel or completely refinishing it). Hope this helps.
#51 of 51 Attn: Buick LeSabre owners by KarenS HOST Oct 23, 2006 (6:21 am)
Several discussions have been created to address the various issues you may be experiencing. Please go to Buick LeSabre page to find a discussion that fits your question/concern. If nothing fits, please create your own discussion.

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