Cylinder Head Installation

Tools Required 

J 45059  Angle Meter. See Special Tools .

Fig 1: View Of Cylinder Head And Gasket
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Do not use any sealing material.
1. Install the cylinder head gasket to the block.
2. Install the cylinder head.
IMPORTANT: Always use new cylinder head bolts.
3. Lightly apply clean engine oil to the threads and the bottom side of the flange of the head bolt and allow the oil to drain before installing.
Fig 2: Identifying Cylinder Head Bolt Tightening Sequence
Courtesy of GENERAL MOTORS CORP.
NOTE: Refer to Fastener Notice in Cautions and Notices.
4. Install and tighten the cylinder head bolts in sequence.

   Tighten: 

   • Tighten bolts 30 N.m (22 lb ft).
   • Then turn all the bolts 155 degrees in sequence. Use the J 45059  . See Special Tools .

Fig 3: Locating Front Cylinder Head Bolts
Courtesy of GENERAL MOTORS CORP.
5. Install the front cylinder head bolts.

   Tighten:  Tighten the cylinder head bolts to 35 N.m (26 lb ft).

Fig 4: View of EGR Cover
Courtesy of GENERAL MOTORS CORP.
6. Install the EGR cover (607), the bolts (608), and the EGR cover gasket (606).

   Tighten:  Tighten the EGR cover bolts to 25 N.m (18 lb ft).