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LeSabre

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Question
I have a 2000 buick lesabre and my transmission is slipping and it wont go over 30 mph and i never had transmission service sent i
If the transmission has never been serviced, it's likely that it is worn internally and requires a rebuild. The clutches wear and that debris floats around the transmission, causing faster wear and wear to most all components. That it has...
Question
No heat
Common causes of no cabin heat include malfunctioning blend door(s) (part of the in-dash ventilation network), a faulty or stuck heater control valve, a plugged heater core, a stuck open engine cooling thermostat, collapsed hoses, and low coolant level. The...
Question
Car was running rough, so I figured out it was a faulty ICM. Changed that, now car won't even start.
Hello, thank you for writing in. With the new module you installed, there is likely some other issue with an input to the computer. Either that or the computer itself is having issues. You can only test the computer by...
Question
Voltage drops from 12.5 to 3.0 when key is turnned to acc
Hello, thank you for writing in. Considering the pop sound seemed to end the working condition of the vehicle, you will want to turn your attention there. If there was an electrical surge of any kind, the battery is likely...
Question
Trans JERK when accelerating from stop.
This may be a sign of low transmission fluid or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer activates a transmission...
Question
When replacing my fan clutch should I change my cooling fan to a flex-a-light and get a new flex-a-light clutch?
Hi there. It is best to always put on the OEM parts that are required for the vehicle. However, you can get a flex-a-light clutch fan for your vehicle as long as it will bolt up to your water pump...
Question
What will cause an automatic transmission not to shift into the final drive gear? 1993 Buick LeSabre
Hi - by "won't shift into the highest gear", I interpret this to mean the lock-up of the torque converter, which effectively is another gear (eliminates any slip through the torque converter). Your symptoms suggest that the transmission is not...
Question
Car shake when going over small bumps.
The suspension could be loose or have a broken bushing causing the control arms to move around or the shock absorbers are worn and causing the tires to bounce violently at highway speeds. If you need further assistance with your...
Question
Security code
Hi there. In most cases the issue you're experiencing is related to an error code that is stored in the ECU that will need to be removed by a professional mechanic. It's probably a good idea to have a mobile...
Question
The back of the car bounces up and down like springs are broken off
Hello, thank you for writing in. The suspension components are intertwined with the vehicle's wheel assemblies and the steering components. Start with the simplest tests and work your way to the more complex possibilities. Start by performing a bounce test....
Question
Bleeding brakes
If you are able to keep the master cylinder full and thus no air can be drawn toward the ABS pump and valving during brake bleeding, you can often get away without using a bi-directional scan tool to remotely actuate...
Question
Car is overheating
The flapping noise may have been the serpentine belt breaking. Once the belt broke completely both the water pump and alternator stopped turning, thus accounting for both the overheating the charging light coming on. In all probability you just need...
Question
Engine stalling 2000 Buick LeSabre
Hello - the first task is to check for problem codes, whether the Check Engine light is illuminated or not. Most auto parts stores will do this for you for free on a "time-available" basis. There are many possibilities for...
Question
When my high beams are turned on, not only do they not work but my low-beams also turn off.
Hello. You likely have an issue with your steering column multifunction switch. The steering column multifunction switch is in control of all the lights on the dashboard, the tail lights, as well as the headlights. It is likely your multifunction...
Question
Engine occasionally cuts out while idling at a stoplight and occasionally hesitates and bucks upon acceleration.
There is a issue with the fuel delivery to your engine. It seems as the fuel pump may be failing. Check the fuel pressure on the fuel rail and see if there is at least 30 psi. If the fuel...
Question
Grinding noise during starting
Hi There, I believe you may be on the right track in terms of the starter gear not disengaging from the flywheel quick enough upon start up. This can happen for a couple of reasons. Either the starter solenoid itself...
Question
I have a 94 buick lesbrae and it will only go like 10mph up hills.
Hi There, What you are describing sounds like you may have a clogged catalytic converter. The catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When the catalytic converter is...
Question
Loud squeak in tire when driving
Make sure the splash shield located behind the brake assembly is not bent in any location. If it is even in the slightest, the brake rotor can be rubbing against it, creating a noise. Another possibility can be the hub...
Question
Turn signal not working
If the hazard warning lights use the same bulb (filament) as the turn signals, then yes it can't be the bulbs. I would test the turn signal flasher unit. Basically, you want to test for power to the flasher unit...
Question
The throttle position sensor has been replaced three times on a 2003 Buick lesabre. What is causing it to go bad?
Within conventional throttle position sensors there are metal contacts that sweep across a printed resistor board. Repetitive motion and vehicle vibration can cause these contacts to wear, over time, eventually causing sensor malfunction. If you are sure that the TPS...

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