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GMC TSB #14882
2010 GMC Terrain
TSB Document:
Affected Component: ENGINE (PWS)
- Summary
- 14882 - SPECIAL COVERAGE. CERTAIN VEHICLES EQUIPPED WITH A 2.4L ENGINE (LAF, LEA OR LUK) THAT HAVE EXPERIENCED HIGH OIL CONSUMPTION MAY ALSO EXPERIENCE A FROZEN AND/OR PLUGGED PCV (POSITIVE CRANKCASE VENTILATION) SYSTEM DURING COLD WEATHER OPERATION. THIS CONDITION MAY INCREASE CRANKCASE PRESSURE LEADING TO A REAR CRANKSHAFT SEAL OIL LEAK. IF THE OIL LEAK IS IGNORED OR NOT NOTICED, AN ENGINE CLATTER NOISE MAY BE NOTICEABLE AND/OR THE ENGINE PRESSURE WARNING LIGHT MAY ILLUMINATE. IF THIS CONDITION IS NOT CORRECTED, CONTINUED DRIVING WITH ENGINE NOISE AND/OR THE ENGINE OIL PRESSURE LIGHT ILLUMINATED MAY DAMAGE THE ENGINE. DEALERS ARE TO PERFORM A CRANKCASE PRESSURE CHECK, AND IF REQUIRED, REMOVE THE INTAKE MANIFOLD AND CLEAR THE PCV ORIFICE.
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