Camshaft Installation - Left Side

Tools Required

• EN 46334  Camshaft Oil Seal Driver. See Special Tools .
• EN 46337  Camshaft Sprocket/Crankshaft Balancer Holder. See Special Tools .

Fig 1: Identifying Camshaft Cap, Bolts, O-Ring, Cam & Seal
Courtesy of GENERAL MOTORS CORP.
1. Lubricate the camshaft journals and bores with clean engine oil.
NOTE: Refer to Fastener Notice in Cautions and Notices.
2. Install the camshaft (209), NEW O-ring (210), cap (211) and bolts (212).

   Tighten:  Tighten the bolts to 22 N.m (16 lb ft).

Fig 2: Installing Camshaft Oil Seal Into Cylinder Head
Courtesy of GENERAL MOTORS CORP.
3. Use the EN 46334  in order to install the seal (223) into the cylinder head. See Special Tools . Rotate the bolt clockwise until the tool bottoms in the cylinder head bore.
Fig 3: View Of Bolt & Camshaft Position Sensor
Courtesy of GENERAL MOTORS CORP.
4. Install the camshaft position (CMP) sensor (700) and bolt (723).

   Tighten:  Tighten the bolt to 4 N.m (35 lb in).

Fig 4: View Of Camshaft Oil Seal
Courtesy of GENERAL MOTORS CORP.
5. Install the cover (244), NEW seal (243) and bolts (242).

   Tighten:  Tighten the bolts to 22 N.m (16 lb ft).

6. Install the sprocket (241) and bolt (240).
Fig 5: View Of Camshaft Sprocket
Courtesy of GENERAL MOTORS CORP.
7. Use the EN 46337  in order to retain the camshaft sprocket. See Special Tools .

   Tighten:  Tighten the bolt to 90 N.m (67 lb ft).

Fig 6: Aligning The Mark On The Sprocket With The Pointer
Courtesy of GENERAL MOTORS CORP.
8. Rotate the camshaft to align the number 1 cylinder top dead center (TDC) mark on the sprocket (2) with the pointer on the rear cover (1).