2005 Buick LeSabre Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2005 Buick LeSabre

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2005 Buick LeSabre Problems

Erratic Fuel Gauge Operation

It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.

Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

Erratic Shifting of the Automatic Transmission

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.

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2005 Buick LeSabre Questions

What do you do when the engine service signal shows? (3 answers)

And the car is slightly rumbling & when I drive it if I sit somewhere for too long like at a traffic light for example it shuts off then I cut it back on & it starts again

If a car crashed and the air bag deployed on both sides is it repairable? (1 answer)

If the air bag deployed and the dashboard has lifted up and and the air bag deployed on both sides is the car repairable?

Transmission hard shifting around town but not on the highway, common issue? (2 answers)

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2005 Buick LeSabre Reviews

Rated
based on 12 customer reviews
I purchased my 2005 Buick Le Sabre Custom with 22873 miles. She is like new and has been kept in the garage since new. The previous owner just turned 90 and now lives in an assisted living facility. I replaced both Low Beams lamps with new ones since one was burnt out. I've read that you should replace both bulbs for the same brightness. I am having the transmission flushed and replaced wi...
I bought my 2005 Lesabre new from dealer. The car has been a piece of mind with fewer problems up until now, noticed that my check engine light is on took into a mechanic told me that the engine needs couple repairs done under (85,000miles). My Buick only burns 1 quart of oil doesn't have any oil leaks or no hesitation but I am replacing more brakes than ever now plus went by a AutoZone getting...
Bought this 2005 in 2013 with 75k on it. Avg mileage 22mpg HORRIBLE. The care this car received from the first elderly owner was impeccable and now I'm driving it minimally but see no improvement in the mileage. Hwy or city...it doesn't matter. It's HORRIBLE. Where is all the wonderfulness that I've been hearing about?? Yeh, the car is sturdy, smooth, quiet, and reliable. But it's a tank...a ga...

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