take it to the shop
The radiator on a 98 Buick Century is flushed by turning the petcock to drain the coolant. Water is then flushed through the system until all contaminants are removed.
Buick Century was created in 1936.
It's bound to be somewhere on the exhaust riser to the EGR valve. Look for about a 5/8 inch tube coming up from the rear exhaust manifold.
The HO2S Bank 1 Sensor 1 is located on the exhaust manifold nearest to the front of the car. The Bank 1 Sensor 2 is located on the exhaust pipe before the catalytic converter and after the pipe from the bank 1 and bank 2 exhaust manifolds meet.
The 2014 Buick LaCrosse's turning circle is 36.8 ft..
The 2003 Buick Regal's turning circle is 37.5 ft..
The 2013 Buick Verano's turning circle is 36.0 ft..
The 2005 Buick LaCrosse's turning circle is 40.4 ft..
The 2009 Buick Enclave's turning circle is 40.4 ft..
The 2006 Buick LaCrosse's turning circle is 40.4 ft..
The 2011 Buick Enclave's turning circle is 40.4 ft..