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 2008 Buick Enclave CXL came in with the complaint that the battery would go dead while driving. The battery light was on and there was a message on the dash to service the charging system. Something else that I noticed but cannot duplicate here is that there was a steady moan from the engine … Continue reading “2008 Buick Enclave Replacing The Alternator”
This 2010 Buick Enclave CXL came in with the complaint that the a/c is not as cold as it should be during the heat of the day. The problem is that with the ambient temperature being 98° F and the heat index at 112°F the best the vent temperature would drop to was the mid … Continue reading “2010 Buick Enclave CXL, A/C Does Not Cool Well”
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 2002 Buick Rendezvous came in with the complaint that the left rear turn signal did not work. Also the stoplight and the tail light on the left side did not work. Well three inches of water and the glass part of the light bulb in the bottom of the tail light assembly was pretty … Continue reading “2002 Buick Rendezvous Water In The Tail Light Assembly”
This 2002 Buick Rendezvous came in with the complaint that it would not run at times. Started out just a problem sometimes but now it is most of the time. I checked for codes and the only one present was for a fuel level sensor. I checked fuel pressure and spark and they were both … Continue reading “2002 Buick Rendezvous No Run Condition”
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”