Cylinder Head Installation

Tools Required 

J 36660-A  Torque Angle Meter

Important:  Install the cylinder head gasket with the words THIS SIDE UP showing.

1. Install the cylinder head gasket to the block.
2. Use a socket to push the cylinder head gasket over the rear dowel pin.
   Fig 1: Installing Cylinder Head Gasket

   Courtesy of GENERAL MOTORS CORP.
3. Carefully guide the cylinder head into place over the dowel pins. This operation may require an assistant.
   Fig 2: Cylinder Head & Bolts

   Courtesy of GENERAL MOTORS CORP.
4. Install the cylinder head bolts by hand.
   Fig 3: Cylinder Head Bolts

   Courtesy of GENERAL MOTORS CORP.
5. Install the cylinder head bolts.
   NOTE: Refer to FASTENER NOTICE .
6. Use the following sequence in order to tighten the cylinder head bolts:

   Tighten 

   • Tighten the long cylinder head bolts to 63 N.m (46 lb ft).
   • Tighten the short cylinder head bolts to 58 N.m (43 lb ft).
   1. 6.1. Tighten bolt 1 to 63 N.m (46 lb ft).
   2. 6.2. Tighten bolt 2 to 58 N.m (43 lb ft).
   3. 6.3. Tighten bolt 3 to 58 N.m (43 lb ft).
   4. 6.4. Tighten bolt 4 to 63 N.m (46 lb ft).
   5. 6.5. Tighten bolt 5 to 63 N.m (46 lb ft).
   6. 6.6. Tighten bolt 6 to 58 N.m (43 lb ft).
   7. 6.7. Tighten bolt 7 to 58 N.m (43 lb ft).
   8. 6.8. Tighten bolt 8 to 63 N.m (46 lb ft).
   9. 6.9. Tighten bolt 9 to 63 N.m (46 lb ft).
   10. 6.10. Tighten bolt 10 to 58 N.m (43 lb ft).
   11. 6.11. Use J 36660-A  to tighten all the cylinder head bolts an additional 90 degrees in sequence.
   Fig 4: Cylinder Head Bolts Tightening Sequence

   Courtesy of GENERAL MOTORS CORP.
7. Install the engine lift bracket onto the rear of the engine.

   Tighten 

   Tighten the engine lift bracket nut to 30 N.m (20 lb ft).

   Fig 5: Engine Lift Bracket & Nut

   Courtesy of GENERAL MOTORS CORP.