Secondary Camshaft Intermediate Drive Chain Installation - Left Side - Step 1

WARNING: This page is about a different variant/trim than selected.

Fig 1: Secondary Camshaft Intermediate Drive Chain Components - Left Side - Step 1

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
NOTE: If you are performing this procedure for the first time, it is recommended that you view video 56510.12V from the common training website before beginning (U.S. Dealers Only). To search for the video number, click on the catalog icon on the home page. Canadian dealers should view Tech Assist video 16038.01W on the LMS website and a related video on GM Global Connect (Library-Service>Technician Review>TAC Talk Video Help). See https://www.centerlearning.com/HomePage/Portal.asp for more information.
1	Left Intake and Exhaust Camshaft Procedure NOTE: There should be no need to rotate the camshaft more than 10 degrees. Using the hex cast into the camshaft rotate the camshaft in order to install the EN-48383 retaining tools. All camshafts must be locked in place before installation of any camshaft drive chains. Install the EN-48383-1 retaining tool onto the rear of the left camshafts. Ensure the EN-48383-1 retaining tool is fully seated onto the camshafts. Special Tools EN-48383 Camshaft Retaining Tools For equivalent regional tools, refer to Special Tools .
2	Crankshaft Sprocket NOTE: Ensure the crankshaft is in the stage one timing position with the crankshaft sprocket timing mark (3) aligned to the stage one timing mark on the oil pump cover (4) using the EN-48589 socket. Refer to Timing Chain Alignment Diagram . Special Tools EN-48589 Crankshaft Rotation Socket For equivalent regional tools, refer to Special Tools .
3	Crankshaft Sprocket Timing Mark
4	Stage One Timing Mark On The Oil Pump Cover