Observe the markings on the bearing caps. Each bearing cap is marked in order to identifyits location. The markings have the following meanings:The raised feature must always be oriented toward the center of the cylinder head.The I indicates the intake camshaft.The E indicates the exhaust camshaft.The number indicates the journal position from the front of the engine.
Remove the camshaft bearing cap bolts.Remove the camshaft bearing caps.
Important:Mark the camshafts upon removal to ensure installation is in the correct position.
Remove the camshafts.#13-00-89-004C: Car and Truck Fix it Right the First Time Issues - (Oct 10, 2013)
Subject:Car and Truck Fix it Right the First Time IssuesModels: 2014 and Prior GM Cars and Trucks This bulletin has been revised to include updated information. Please discard CorporateBulletin Number 13-00-89-004B.In order to access this bulletin electronically, go to the SI Home Page and selec ...