Featured Problems

Vortec Excessive Oil Consumption

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Leaking coolant from a cracked intake manifold gasket is an extremely common problem on most GM vehicles made from the late 90s to the mid-2000s. Most experts agree that the problem stems from GM's 'DexCool' coolant which erodes away at the…

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2011 Terrain Excessive Oil Consumption

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General Motors' Technical Service Bulletin (TSB 15285C) could be of great interest to 2011 Terrain owners who've been complaining about excessive oil consumption.

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Engine Complaints

Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.

GMC Engine News