Partially. This OLM change is DI only. My 5.3 in my truck still goes forever on OCI's.
Originally Posted By: Triple_Se7en
Where are all the posters that thought I was nuts 8-9 years ago, for saying these OLMs were a result of GM knowing how to maintain vehicles better than the Average Joe (me)? So many posters here told other posters to tun their OCIs by the GM recommendations and OLMs. Well guess what -- I was right.
Originally Posted By: Cujet
http://www.autoweek.com/article/20130405...gn=awdailydrive GM to reprogram some oil life monitors GM is finding high rates of wear on various components, including balance shaft chains. The plan is to reduce the oil change interval, as testing has shown a reduction in wear with the more frequent oil changes.