Cylinder Head Assembly: Specifications

Cylinder Head:

Cylinder Head

Camshaft
Bearing Cap Bolts 11 Nm (100 in. lbs.)





Right





Left

Exhaust Manifold Bolts 25 Nm (18 ft. lbs.)
Starting at the center arm and working outward





Intake Manifold Bolts 12 Nm (105 in. lbs.)

Throttle Body Bolts 7 Nm (60 in. lbs.)

Camshaft
Non - Oiled Sprocket Bolt 122 Nm (90 ft. lbs.)





Cylinder Head Bolt Re-usability

NOTE: The cylinder head bolts are tightened using a torque plus angle procedure. The bolts must be examined BEFORE reuse.
If the threads are necked down the bolts should be replaced. Necking can be checked by holding a straight edge against the threads (2).
If all the threads do not contact the scale, the bolt should be replaced.





Cylinder Head Bolt

Step 1: Tighten bolts 1-8, 27 Nm (20 ft. lbs.)
Step 2: Verify that bolts 1-8, all reached 27 Nm (20 ft. lbs.) by repeating step 1 without loosening the bolts.
Step 2: Tighten bolts 9 thru 12 14 Nm (10 ft. lbs.)
Step 3: Tighten bolts 1-8 90 degrees.
Step 4: Tighten bolts 1-8 90 degrees, again.
Step 4: Tighten bolts 9-12 26 Nm (19 ft. lbs.)