SOURCE: Fuel pump in 2003 buick Lesabre
if there is an access plate you can remove then yes. but generally you have to drop the tank to get to it
Robert
SOURCE: 2000 buick LeSabre - rear leveling system problems
The rear leveling trip switch is located on driver's side near rear air shock on the frame. Check for leaks in air line.
SOURCE: how to tune up a 2003 buick lesabre
plugs, air filter and an oil change is all that should be needed
SOURCE: locations of fuse boxes in a 2003 buick lesabre
If it is like the 2002, one is in the engine compartment near the jumping post. The other is under the back seat.
SOURCE: my 2003 buick lesabre is
CHECK THE INTAKE MANIFOLD GASKET AREA THE 3.8 HAVE AN ISSUE WITH THE INTAKES LEAKING. ALSO THE NYLON INTAKES HAVE ISSUES AROUND SEALING O-RINGS. THE NYLON DETERIORATES. IF IT IS THE INTAKE IT IS SERVICABLE FROM DORMAN PART # 615-180 AND SHOULD COST ABOUT $150.00 . CAN GET AT ANY PARTS STORE
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