System Specifications

INTAKE MANIFOLD:

Flatness of Installing Surface Intake 0.10 mm (0.0040 inch)
Wear Limit 0.20 mm (0.0008 inch)
Mounting Bolts 20 Ft/lbs.
Air Plenum Bolts 130 in/lbs.
Cross Manifold Bolts 174 in/lbs.

EXHAUST MANIFOLD:

Flatness of Installing Surface Exhaust 0.15 mm (0.006 inch)
Wear Limit 0.30 mm (0.001 inch)
Mounting Bolts 200 in/lbs.
Heat Shield Bolts 105 in/lbs.
Flange Fasteners 250 in/lbs.

CRANKSHAFT PULLEY/HARMONIC BALANCER:

Mounting Bolt Torque 100 Ft/lbs.

TIMING BELT TENSIONER:

Mounting Bolt Torque 20 Ft/lbs.
Pulley Assembly Torque 30 Ft/lbs.

CAMSHAFT:

Camshaft Bearing Cap Bolts:
Step 1 85 in/lbs.
Step 2 180 in/lbs.
Camshaft Sensor Mounting Bolt 20 Ft/lbs.
Camshaft Sprocket/Timing Gear Mounting Bolt Torque 70 Ft/lbs.
NOTE:Tighten bearing cap bolts in the following order to 10 Nm 85 in. lbs. First # 3, then # 2, # 1 and # 4. Repeat step 3 increasing the torque to 20 Nm 180 in.lbs.

CYLINDER HEAD BOLT RE-USABILITY:





3. The Cylinder head bolts are torqued using the torque yield method, they should be examined BEFORE reuse. If the threads are necked down, the bolts should be replaced.
4. Necking can be checked by holding a scale or Straight edge against the threads. If all the threads do not contact the scale the bolt should be replaced.


CYLINDER HEAD:

DIMENSIONS
Flatness of Gasket Surface: 0.05 mm (0.002 inch).
Grinding Limit of Gasket Surface [1]: 0.20 mm (0.008 inch).

[1] Combined with cylinder block top surface grinding.






TIGHTENING SEQUENCE/SPECIFICATIONS
1. Clean surfaces of head and block, install head gasket over locating dowels.
2. Install head on locating dowels.
3. Install 10 mm allen hex head bolts with washers.
4. Tighten bolts in the order shown. When tightening the cylinder head bolts, tighten gradually, working in two or three steps and finally tighten to specified torque of 108 Nm (80 ft. lbs.).

VALVE CLEARANCE:

Valve clearance is not adjustable. Rocker arms have built in hydraulic lash adjusters.