Cylinder Head Installation: Installation

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Fig 1: View Of Cylinder Head Gasket

Courtesy of GENERAL MOTORS CORP.

Install the dowel pins (cylinder head locator) (if necessary).
Install a new cylinder head gasket.

Fig 2: View Of Cylinder Head

Courtesy of GENERAL MOTORS CORP.

Install the cylinder head.

Fig 3: View Of Cylinder Head Bolts

Courtesy of GENERAL MOTORS CORP.

Install new cylinder head bolts.

Fig 4: Cylinder Head Bolt Tightening Sequence

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the new cylinder head bolts in the following sequence:
Tighten:
1. Tighten the (14) long cylinder head bolts in sequence to 30 N.m (22 lb ft).
2. Use J 45059 to tighten the cylinder head bolts in sequence an additional 155 degrees. See Special Tools and Equipment .
3. Tighten the (2 Short) end bolts to 7 N.m (62 lb in).
  Use J 45059 to tighten the short cylinder head end bolts an additional 60 degrees. See Special Tools and Equipment .
4. Tighten the (1 Long) end bolt to 7 N.m (62 lb in).
  Use J 45059 to tighten the long cylinder head end bolt an additional 120 degrees. See Special Tools and Equipment .