Special Coverage Adjustment – Engine Balance Chain and Fuel Pump – 2010-2011 Buick Chevrolet GMC
NHTSA ID Number: 10158886 Manufacturer Communication Number: 12313D Summary 12313D – Special Coverage. On some vehicles, equipped with a 2.4L engine (RPO LAF), the chrome layer on the balance chain pins may wear, allowing the chain to stretch. This would cause an engine noise, and if left untreated, could cause the chain to break, leading to … Read more