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LaCrosse

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Question
Hot idle light keep come on
Hello. Thank you for writing in. The vehicle should not be driven when the transmission hot idle warning light is illuminated. Serious and irreversible damage can occur. At the very least, the transmission needs to be serviced. This means they...
Question
Bad starter or bad battery?
Be sure any engine immobilizer system (security system) is not activated, thus preventing the car from starting. The battery should be load tested by a professional. Load testing can only be reliably performed on a fully charged battery. If the...
Question
What does charging system failure mean?
It sounds like your alternator or voltage regulator may be failing causing the battery to not be charged properly. When this happens the drop in voltage will cause the charging system failure light to come on. As you know, the...
Question
My battery went dead, replaced it with a new one and within 150 miles the Check Engine Warning Light came on.
There are a relatively large number of Technical Service Bulletins that GM has issued covering faults and difficulties with electrical components in your vehicle (ref: National Highway Traffic Safety Administration on-line database which we searched for your year, make and...
Question
torque hub assembly for 2011 buick lacrosse cxl
Hi there. The bolt torque to the backing plate on the front hubs are 45 foot pounds of torque. If you need further assistance with the backing plate installation, then seek out a professional, such as one from Your Mechanic,...
Question
i have 2006 buick lacrosse it run hot wont start back up it turns over just wont catch to start
Hi there: If you're Buick LaCrosse is experiencing overheating issues, it's possible that you have suffered severe internal engine damage or damage to ignition system components such as your crankshaft position sensor or the electrical harnesses connected to these components....
Question
2009 Buick Lacrosse is setting DTC codes P2125 and P2138.
Hi there. Try performing a snap throttle and see if the wave form changes on the Oscilloscope. If the waves do not change when performing a snap throttle, then the throttle position sensor on the pedal needs replaced. If the...
Question
hi my passager front door wont open and the outside wont open to how can i open it
Hello, thank you for writing in. The determining factor in opening the door will depend on what is obstructing it. If the handle is rendered unusable, then you will have to access the inside of the door panel while the...
Question
There is a strong knocking sound coming from the engine. Today my car won't start. Service engine light is on. It keeps turning over
Hi there. When the crankshaft position sensor is damaged or faulty, it will cause intermittent starting issues, misfiring problems, or might cause the vehicle to fail to start entirely. The best way to resolve this issue is to contact a...
Question
Car does not start
If you have power to your accessories such as the radio, heater, etc. this suggests that your terminals are providing good connection from the battery. The no starting issue may be related to a faulty starter relay. The starter relay...
Question
lights on for power steering and stabilitrack on
Hello. Thank you for writing in. The electronic power steering system can absolutely be replaced. Due to the fact the light is on the system is obviously detecting an issue, and a diagnostic scan of the vehicle can be done...
Question
A/c Heater
The lack of heat being generated by your system may indicate a clogged heater core. The [heater core]((https://www.yourmechanic.com/services/heater-is-not-working-inspection) is a small radiator like unit that circulates the hot coolant from the engine through the heater core which then uses this...
Question
Engine won't run - 2012 Buick Lacrosse
Hi there. Having to use a breaker bar, to free the engine from being locked-up, does not sound promising. Removing the serpentine belt, would eliminate an accessory component (ie; seized alternator) that may be preventing the engine from turning over....
Question
08 Buick lacrosse leaning on the right side
Hi there. In most cases, when your vehicle leans to one side, it's caused by a bad or worn out body mount or a shock or strut that needs to be replaced. The best way to determine the source is...
Question
I have a no start situation.
Hi There, There are a few different possibilities that may be related to a lack of spark or possibly timing issues. Things like ignition coils, crankshaft position sensor, spark plugs, spark plug wires or ignition module are all components that...
Question
I have a power steering fluid leak, stop leak didn't work. How long car I drive with that problem.
If the leak is not large and you are able to keep the power steering reservoir full by adding back the missing fluid, you can probably drive the car for quite some time. However, such is impractical and thus professional...
Question
Check engine light
Hi There, This light indicates that there is likely something wrong with the engine or transmission in your vehicle. It is important to have this diagnosed as soon as possible as it could range from something minor to something more...
Question
Headlights
The headlight bulbs on the 2014 LaCrosse are either halogen capsule (standard) or HID (optional). If you have halogen bulbs, it is easily possible for both halogen bulbs to have failed. If you request a headlight diagnostic/bulb replacement, the responding...
Question
dtc P1682,no crank no start.
Hi there. The code you are getting P1682 is due to the ECM seeing a difference in the voltage levels of the two main power inputs to the ECM and will store the code when one voltage is different than...
Question
Driving downhill my Traction Light and ABS light came on. 2009 Buick LaCrosse.
Hello. The traction light and ABS light are like a check engine light for your braking system. If an issue is detected the light will illuminate and code will be stored inside of the ABS module. I suggest that a...

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