In the exhaust pipe
10
It is not possible to remove the power steering pulley on a 1997 Buick Le Sabre without removing the power steering pump.
That should be the Oxygen Sensor
18 Gallons About $54.00 or 18 gallons
The 3.8L engine has a timing chain.
On front cover of engine, slightly above crankshaft pulley.
remove the old one... install the new one... this ain't rocket science
The oil pressure sending unit on a 1997 Buick LeSabre is located on the bottom side of the engine, near the oil filter. It monitors oil pressure to ensure that the pump is working properly.
Dont pay more than $900 to get it installed. its not a very difficult engine to swap.
on the underside of the trunk lid this may be helpful http://www.automotivetouchup.com/paint-codes/buick.htm
Disconnect the red powerlead. Undo the 3 bolts and pull it out.. Install is the reverse Time: under 1/2hr difficulty: easy