There are a few reasons. First check to make sure the tires are inflated to the correct pressure (Probably 35 psi). If that doesnt help your tire might not be balanced. If balancing your tires doesnt work check your wheel bearings.
A good way to diagnose the problem is to pull the Lt front and Lt rear tires and swap them. If the problem goes unchanged then it is mechanical if it moves then it is tires.
Amazingkeys.com has the 2000 Buick LeSabre Key. It does have the chip in it.
Instructions for replacing radiator on 2000 Buick Lesabre custom
where is the ecm on a 2000 buick lesabre
The battery for the Buick LeSabre (2000) is located under the rear seat cushion.
Easy. There is no Buick LeSabre "Deluxe".
no
You can get a wiring diagram for a 2000 Buick LeSabre at any auto parts store. A Buick dealership may also be able to give you a wiring diagram for free.
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The 2000 Buick LeSabre front grill is held in place with eight retaining bolts. Remove the retaining bolts and the front grill will come off.
17
18 gallons
the battery is under the back seat