Tag Archives: Buick

Buick auto repair questions and answers from Dealership mechanics. Read through our growing list of problems solved.


Buick Gauges and FOB not working

i have a supercharged 1997 Buick Riviera the key fob and all the gauges stopped working at the same time could the two be related if so how do i fix it? Answer: Yes, these problems could all be related, especially if they happened at the same time on your Buick. The first thing to do is check all the fuses. There are several fuse…

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1989 Buick regal 3.1 won’t start when engine warms up

1989 Buick Regal with the 3.1L V6 engine. Car runs fine for 10 minutes. If you shut it off it won’t restart but it will turn over. It has spark to all six spark plugs it has gas pressure of 45psi. Changed the ECM and ignition control module (ICM). If I wait for the engine to cool off it will start again. Idle position sensor…

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2004 Buick Regal ABS, TRAC OFF And Engine Light

I have a 2004 Buick Regal LS with 194k. I haven’t had any major issues with it, but tonight I was driving and, randomly, the car started kind of bucking and jolting forward upon accelerating. I was almost to my location so, when I got there, I turned it off for about 10 minutes. It started up fine, but I noticed the ”trac off” light…

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Buick Tie Rods- Upper Brake Light Bulbs

I have a 2002 Buick Regal LS. I recently got new tires because they were worn out and found out my car also needs new tie rods. I have been looking around online and still am not sure exactly what these steering parts are and what exactly to buy. I have a private mechanic shop fixing it for me so all i need to do…

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2003 Buick Century Belt Noise After Replacement

Last week I had the serpentine belt replaced in my 2003 Century, V-6 3.1, and soon after that it started to squeal loudly when car is started. The squealing stopped shortly after running. My instincts told me that the belt was not tight enough but the people who installed it checked it out and said it was ok. Do you think I need to replace…

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Buick Winshield Washer Pump Motor Not Working

2000 Regal LS. Windshield washer system is not working. The washer pump won’t function. The motor won’t run when installed. I have 12 volts at the washer motor electrical connector when the “on” switch is activated. The washer motor works when hooked directly to a 12vdc power source. The motor draws 1 amp when running continuously. I even tried another new motor. The washer motor…

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2006 Buick Rainier Won’t Shift And Speedometer Not Working

I have a 2006 Buick Rainier. Last night everything was fine. This morning when we were on our way to the store it would not shift and the speedometer stopped working working. What can i check to repair this problem. These 2 items would be related to one thing- the vehicle speed sensor(VSS). The VSS sends speed signal to the powertrain computer for speedometer operation,…

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1996 Buick Riviera 3.8L Hesitation and Engine Light

I have a 1996 Buick Riviera Supercharged/3.8L V6. Engine hesitates around 1800 RPM’S & then accelerates fine. I have replaced the following: Fuel Pressure Regulator, air filter, air intake sensor, PCV valve, spark plugs and wires, MAP sensor, idle control sensor,  Mass airflow sensor and the purge control valve. I have a Check engine light on with code PO102. The light goes off at times &…

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Buick Regal Has Rough Idle

I have a 1995 Buick Regal. All of a sudden it seems to load up on fuel rough idle, have replaced a new fuel pump in and that didn’t help. Car has to be primed to get started. Once it runs it’s fine unless you shut if off then it has to be primed again before it will start. I am at a loss as…

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2003 Buick Lesabre Heated Seat Problem

I have a 2003 Buick Le Sabre LE and have a unserviceable heated seat on the driver’s side. The dealer has analyzed it no results said they needed to remove the seat for further checks. Where do you think the likely problem is and where I might look myself? ProTech: You probably have a bad heater element in either the seat bottom or backrest, that…

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2009 Buick Enclave Warranty Repair I Was Charged For

Is the coil pack (No. 3) covered under the 100,000 mile power & drive train warranty? ProTech: What year and model vehicle do you have? 2009 Buick Enclave. Yes the ignition coil would be covered under the powertrain warranty at your dealership. So why was I charged $160.00 labor cost and told that it was not covered at Dublin Buick GMC. How do I go about…

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How To Install Buick Century Power Steering Pump

I have a 2004 Buick Century and I need to see a picture of how the power steering sits. My nephew tore apart the engine. I know how to replace it but the issue is that I don’t know what bolts go where or if the unit is set right. Mechanic JK: What engine size in your Buick? I believe 3100. OK. I am an not allowed to…

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1998 Buick Regal Blowing Smoke And Knocking

I have a 1998 Buick Regal and it has a knock coming from the engine and dies when driving. Also it starts up very rough and won’t go past 4000 RPM’s. Possible timing issue? It blows out black smoke too. Mechanic JK: OK. An engine knock is not usually a timing issue. And black smoke is not either. Is the problem you are having more of…

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2004 Buick Century Heater and Wipers Stopped Working

I have a 2004 Buick Century and all of a sudden the power windows, heater and wiper blade arms stopped working. There is also no power to the radio or windows when the vehicle is in the accessories. I tried to check the fuses and can’t seem to find anything that is wrong. You have a faulty ignition switch. Power is not getting directed as…

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