1998 Buick LeSabre Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1998 Buick LeSabre

The mass air flow or crankshaft position sensor may fail causing the engine to stall intermittently. Proper diagnoses will be necessary to determine the cause of any stalling condition.

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.

The intake manifold gasket can develop external engine oil leaks. The intake manifold will need to be removed and the gaskets replaced to correct this issue.

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Starter has been going for a while. Could tap it and it would start. Replaced yesterday, tries to crank but won't turn over. Oil level is good and feels/smells like just oil. I say this because I noticed car temp start to rise on my way home which is not normal. Checked coolant level and it w...

When I start my car, there is a loud squeak coming from the right side of the engine. This sound eventually goes away when the engine gets warmed up, but before it does, when I press the gas pedal, the sound gets very high pitched,then gets quiet until the sound goes completely away. What is it...

While driving my car will shut off then when I try to restart my car back up it stalls.After 15 minutes of stalling then car starts,while driving up a hill I hear a rattling sound like no oil is in the car..

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ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL TO ENTER THE INTAKE MANIFOLD THROUGH A VACUUM LINE. IF THE ENGINE DOES NOT START WHEN CRANKED, T...

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Ive had my buick for2years and i love it the only thing went wrong with mine is my transmission bolts fell out and had to fix air comming out of the egine BUT OTHER THAN THAT.1 HAD MY BUICK AT 94000 MILES and now its at 137000 miles and runs like a champ dontnoone got a better egine then 38 series buick i think its the best egine in the world. i love my buick

I bought a 1998 LeSabre 4 years ago with 60K miles on it. I now have 94K. The engine has been incredibly reliable. The only expense in 4 years was the serpentine belt at $125. However I have numerous problems. After running through a car wash I have a water leak but only on the driver side floor mat and only when it rains. Tried everything to locate problem to no avail. Horn relay stuck and now...

Buick 1998 Lasabre 160k miles EMISSIONS AZ Emissions +++ Emissions++++++++++ Arizona== Great used car but weird situation, it does not fail but it does not pass emissions. all lights on dash turn off after starting car so no problems according to car. inspections says: catalyst, EGR and evap system NOT READY and misfire, O2 sensor, ,heated O2, fuel system and component READY ...

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