GMC Terrain owners have reported 1 problem related to blown head gasket (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Terrain based on all problems reported for the Terrain.
While driving on highway the message came on losing oil pressure, shut engine off. By the time I was able to pull off the highway to the side the engine ceased up. Oil gasket blew off.
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all problems of the 2012 GMC Terrain
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