Exhaust
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
What Owners Say
"Thermostat failed"
Anonymous, RI (2017 Buick LaCrosse Essence 3.6-L V6)"Car had both radiator fans full on after stopping engine Problem was defective radiator thermostat that was difficult to replace. Took to dealership."
Anonymous, MD (2017 Buick LaCrosse Premium 3.6-L V6)"Thermostat"
Anonymous, PA (2017 Buick LaCrosse Essence 3.6-L V6)"At about 50000 miles the thermostat broke. Cost $1200 dollars to fix."
Anonymous, MI (2017 Buick LaCrosse Preferred 3.6-L V6)
"analysis of check-engine 'code' indicates the catalytic converter needs to be replaced."
Anonymous, MI (2017 Buick LaCrosse Premium 3.6-L V6)