If the manifold is hot enough and the oil runs below the heat shield, it may ignite into a small flame and may spread to the plastic spark plug wire channel and beyond increasing the risk of an engine compartment fire.
General Motors is recalling 1,497,516 MY 1997-2003 Buick regal, MY 1998-2003 Chevrolet lumina, Monte Carlo and Impala, MY 1998-1999 Oldsmobile intrigue, MY 1997-2003 Pontiac Grand Prix vehicles equipped with a 3.8L V6 naturally aspirated engine. Some of these vehicles have a condition in which drops of engine oil may be deposited on the exhaust manifold through hard braking.
Dealers will replace the engine"S front valve cover and front-valve-cover gasket with new parts of an improved design and remove the engine"S plastic cover and plastic oil-fill-tube extension, free of charge. The recall is expected to begin during May 2016. Owners may contact Chevrolet at 1-800-630-2438, Oldsmobile at 1-800-630-6537, and Pontiac at 1-800-620-7668 or www.Pontiac.com or http:www.gmownercenter.com.
