Tools Required

J 36660-A  Torque Angle Meter

1. Ensure all the cylinder head locating pins are securely mounted in the cylinder block deck face.

   Important:  Failure to remove all the old thread sealant material from the cylinder block could cause false torque readings.

2. Ensure any old thread sealant material is removed from the cylinder head bolt holes in the cylinder block.
   Fig 1: Installing Cylinder Head Locating Pins

   Courtesy of GENERAL MOTORS CORP.
3. Install a new right cylinder head gasket using the deck face locating pins for retention.
   Fig 2: Installing Right Cylinder Head Gasket

   Courtesy of GENERAL MOTORS CORP.
4. Align the cylinder head with the deck face locating pins.
5. Place the cylinder head in position on the deck face.
   Fig 3: Installing Cylinder Head

   Courtesy of GENERAL MOTORS CORP.

   Important:  DO NOT reuse the old M11 cylinder head bolts.

6. Install new M11 cylinder head bolts in the cylinder head.
7. Install the M6 cylinder head bolts at the front of the cylinder head.
   Fig 4: Installing Cylinder Head Bolts

   Courtesy of GENERAL MOTORS CORP.
   CAUTION: Refer to FASTENER NOTICE in Cautions and Notices.
8. Tighten the right cylinder head bolts in the sequence shown.
   1. 8.1. First Pass

      Tighten 

      Tighten the right cylinder head M11 cylinder head bolts to 40 N.m (30 ft lbs) in the sequence shown.

   2. 8.2. Second Pass

      Tighten 

      Using the J 36660-A,  tighten the right cylinder head M11 cylinder head bolts an additional 70 degrees in the sequence shown.

   3. 8.3. Third Pass

      Tighten 

      Repeat the sequence turning each bolt another 60 degrees.

      Fig 5: Identifying Cylinder Head Bolt Tightening Sequence

      Courtesy of GENERAL MOTORS CORP.
   4. 8.4. Final Pass

      Tighten 

      Repeat the sequence again turning each bolt a final 60 degrees, total 190 degrees.

9. Tighten the M6 bolts at the front of the cylinder head.

   Tighten 

   Tighten the M6 cylinder head bolts to 12 N.m (106 in lbs).