I have a 2010 NOX that just had this exact problem, but GM says the VIN does not apply
. Regardless, I didn't see it on this forum, so here is a copy/paste of the TSB:
Bulletin No.: 14882
Date: March 2015
SUBJECT: Special Coverage Adjustment Ė Plugged PCV Orifice in Intake Manifold
MODELS: 2010-2013 Buick LaCrosse
2011-2013 Buick Regal
2012-2013 Buick Verano
2011-2013 Chevrolet Captiva
2010-2014 Chevrolet Equinox
2013 Chevrolet Malibu
2012-2013 Chevrolet Orlando
2010-2013 GMC Terrain
Equipped with 2.4L Ecotec Engine (LAF, LEA or LUK)
Certain 2010-2013 Buick LaCrosse; 2011-2013 Buick Regal; 2012-2013 Buick Verano; 2011-
2013 Chevrolet Captiva; 2010-2014 Chevrolet Equinox; 2013 Chevrolet Mailbu; 2012-2013
Chevrolet Orlando; 2010-2013 GMC Terrain 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.
SPECIAL COVERAGE ADJUSTMENT
This special coverage covers the condition described above for a period of 10 years or 120,000
miles (193,000 km), whichever occurs first, from the date the vehicle was originally placed in service,
regardless of ownership.
Dealers are to perform a crankcase pressure check, and if required, remove the intake manifold
and clear the PCV orifice. The repairs will be made at no charge to the customer.
For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after
March 4, 2015, are covered by this special coverage and must be submitted using the labor
operation codes provided with this bulletin. Claims with repair orders prior to March 4, 2015, must
be submitted to the Service Contract provider.
All involved vehicles are identified by Vehicle Identification Number on the Applicable Warranties
section in GM Global Warranty Management system. Dealership service personnel should
always check this site to confirm vehicle involvement prior to beginning any required inspections
and/or repairs. It is important to routinely use this tool to verify eligibility because not all similar
vehicles may be involved regardless of description or option content.
Parts required to complete this special coverage are to be obtained from General Motors Customer
Care and Aftersales (GMCCA).
Note: Use the vehicle identification number (VIN), SI and the GM Electronic Parts Catalog to
determine which parts to order. The Crankshaft Rear Oil Seal Replacement procedure in SI states
what parts are required to complete the repair. For example, gaskets, one-time use fasteners, and
Part Number Description Quantity/Vehicle
12591866 Crankshaft Rear Oil Seal 1
*Repair procedure omitted for space. Click on the link above if you would like to see more*