So in closing, you would have likely had issues no matter what vehicle you purchased with a DI engine in the 2009 to 2013 time frame. Even accelerated wear and reliability testing by all the car makers did not catch all the issues that have arisen. What you have happened into by buying a 2010-12 Terrain or Equinox was to get in on the advent and learning curve of this new Direct Injection (DI) engine technology. For the most part, all of the major car makers, domestic and foreign, have had the same or similar issues, with failed fuel systems, durability issues, and reoccurring problems. If you do some searches, you will find that Ford, BMW, MB, Honda, Toyota and others are continuing to have problems, but, like GM, also continue to make improvements and modifications to resolve DI compromises in engine operation and durability. Car makers have adopted this technology in response to increased pollution and efficiency demands placed upon them by the government. In GM's defense, these newly developed Direct Injection gasoline engines have technology that has been troublesome to adapt for all the car makers. Here is a link to an article that barely scratches the surface : * * * Newer pistons and ring design has been implemented. These problems are due mainly to the mandated requirements for less pollution and better fuel efficiency and the car industry going to DI (Direct Injection) technology. Also, GM has since redesigned the 2.4L engines. Yes, GM is aware of it and there are several threads dealing with it here and most owners have had good results with extended warranty GM has offered for this. There are quite a few who have had the issue on 2010 to 2012 2.4L engines. Here is a document that relates to your TSB warranty coverage: - LINK. These items have all been covered by extended warranty for most owners. You may find that after replacing the timing chain there still is oil consumption due to ring wear, metal debris from the worn timing chain tensioners, and possible cam phasing actuators.
2016 EQUINOX P0010 DOWNLOAD
The TSB document download just below, references the extended coverage regarding timing chain, oil consumption, ring wear, and a few other issues.
They should NOT be crushed or twisted when removed to change oil. Also, incorrectly installed oil filter on the 4 cylinder may have contributed. Many threads here on the Forum about this.
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