Cylinder Head Assembly: Specifications

CYLINDER HEAD










Tighten the bolts in sequence using the following steps and torque values:
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.
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.
Tighten bolts 9-12 26 Nm (19 ft. lbs.)

BOLT RE-USABILITY





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 (2) the bolts should be replaced.






SURFACE VARIATION -- WARPAGE

Cylinder Head Warpage (Flatness) 0.0508 mm (0.002 in.)






CAMSHAFT BEARING CAP






Working in 1/2 turn increments, tighten the bearing cap retaining bolts in the sequence shown.
Tighten the camshaft bearing cap retaining bolts 11 Nm (100 in. lbs.)

INTAKE MANIFOLD

Intake Manifold Specifications

EXHAUST MANIFOLD

Exhaust Manifold Specifications

CAMSHAFT GEAR/SPROCKET

Camshaft Gear/Sprocket Specifications