Camshaft Cover Removal - Left Side - Off Vehicle

Tools Required

• J 39946  Crankshaft Socket - 4. See Special Tools .0L and 4.6L
• EN 46328  Camshaft Holding Tool. See Special Tools .

Fig 1: View Of Left Intake Camshaft Sensor & Left Exhaust Camshaft Sensor
Courtesy of GENERAL MOTORS CORP.
1. Loosen the left camshaft position sensor bolts.
2. Remove the left camshaft position sensors.
Fig 2: View Of Left Camshaft Cover Ground Strap & Bolts
Courtesy of GENERAL MOTORS CORP.
3. Remove the bolts connecting the left camshaft cover ground strap to the left cylinder head and to the left camshaft cover.
4. Remove the left camshaft cover ground strap.
Fig 3: View Of Left Camshaft Cover & Bolts
Courtesy of GENERAL MOTORS CORP.
5. Loosen the left camshaft cover bolts.
6. Remove the left camshaft cover.
7. Use the J 39946  on the nose of the crankshaft in order to align and install the EN 46328  on the rear of the left cylinder head camshafts. See Special Tools .
Fig 4: View Of EN 46328 & Left Cylinder Head Camshafts
Courtesy of GENERAL MOTORS CORP.
CAUTION: The camshaft holding tools must be installed on the camshafts to prevent camshaft rotation. When performing service to the valve train and/or timing components, valve spring pressure can cause the camshafts to rotate unexpectedly and can cause personal injury.
8. Install the EN 46328  on the left cylinder head camshafts. See Special Tools .