This 2006 Buick Lucerne came in with the complaint that the engine would run hot sometimes. The cooling fans had been replaced with used parts and the coolant reservoir had also been replaced. The customer had stated that someone told them that the oxygen sensor could be causing the problem. I told him that I … Continue reading “2006 Buick Lucerne-Runs Hot”
This 2005 Buick Century came in with the complaint that sometimes the engine would not start and using the turn signals would cause the engine to stall. It belongs to a local used car lot and they did not tell me all of this. Had to figure it out on my own over several days. … Continue reading “2005 Buick Century, Hard Crank No Run Condition”
This vehicle came in with the complaint that the blower motor would work sometimes but recently it had gotten to where it did not work at all. I hardly ever see vehicles this old in my shop anymore. This is one problem that I have fixed dozens if not hundreds of times over the years … Continue reading “GM Cars & Trucks 1960’s, 1970’s & 1980’s, Blower Inoperative Erratic”
In two previous articles I outlined the problems and solutions on a 2005 Buick Lacrosse. Symptom and Solution. Now for the root cause of this failure. In every case that I found, similar to the vehicle I was working on was that the condition was preceded by a battery event. Most notably loose and corroded … Continue reading “2005 Buick Lacrosse, Repeated ECM Failures”
This repair information is an addition to a previously published article. To see that article please click here. The code U1300 turned out to be the most relevant code but SI was severely lacking in background information. SI states that the code U1300 can only be seen as a history code. The U1300 was stored … Continue reading “2005 Buick Lacrosse, U1300 Follow Up Testing”
This 2005 Buick Lacrosse came in with the complaint that the instrument cluster gauges would not work and the T/C , traction control light stayed on. . The customer stated that the air conditioner would have to be turned off and then back on before it would get cold. Through a little bit of research … Continue reading “2005 Buick Lacrosse, Gauges Do Not Work”
This 2009 Buick Lacrosse came in with the complaint that the interior light fuse blows. The fuse is located in the passenger side interior fuse box. there is a cover on the end of the dash that covers the fuse box. I confirmed that the interior light fuse was blown. The fuse should be labeled … Continue reading “2009 Buick Lacrosse Interior Light Fuse Blows”
The gauge stepper motors had failed in this cluster. If you need to see how to remove the instrument cluster please click here. The first step was to remove the four screws and lever latches that hold the instrument cluster to the dash carrier. Then using a small screw driver to release the clips that … Continue reading “2005 Buick Lesabre, Changing The Gauge Stepper Motors”
This 2005 Buick Lesabre Custom came in with the complaint that the fuel and temperature gauges were not working properly. Since the gauges had gone way past the high marks and were circling back around, I was pretty sure the stepper motor in the gauges were failing. I did do some testing with my Tech … Continue reading “2005 Buick Lesabre, Gas and Temperature Gauges Erractic”
This 2004 Buick Century came in with the complaint that the battery would go dead overnight. I disconnected the battery negative cable and connected my trusty Fluke multimeter in series between the negative battery post and a good chassis ground. I had already set the meter up to read DC amps. One lead was in … Continue reading “2004 Buick Century, Battery Goes Dead”