Tools Required

J 43301  Coil Pack Puller. See Special Tools and Equipment .

Fig 1: Coil Cassette & Bolts
Courtesy of GENERAL MOTORS CORP.
1. Remove the coil cassette bolts.
2. Remove the coil cassette using the J 43301  . See Special Tools and Equipment .
3. Remove the spark plugs.
Fig 2: Camshaft Cover & Bolts
Courtesy of GENERAL MOTORS CORP.
4. Remove the camshaft cover bolts (1).
5. Remove the camshaft cover (2).
IMPORTANT: Ensure that all 8 sealing O-rings (4) are accounted for. O-rings may stick to the camshaft bearing caps or they may fall into the oil return journals of the cylinder head.
6. Remove the camshaft cover seals (3).