Cylinder Head Assembly: Service and Repair

Cylinder Head Replacement

Tools Required

J 45059 Angle Meter

Removal Procedure




1. Remove the exhaust manifold.
2. Remove the timing chain and sprockets.
3. Remove and discard the cylinder head bolts.




4. Remove the cylinder head.
5. Place the cylinder head on a flat, clean surface with the combustion chambers face up, in order to prevent damage to the deck face.




6. Remove and discard the cylinder head gasket.
7. Remove all remaining gasket material from the engine block.
8. Inspect the cylinder head gasket mating surface on the engine block.
9. Disassemble the cylinder head, if necessary.

Installation Procedure

Important: Ensure number 1 cylinder is at top dead center.




1. Assemble the cylinder head, if necessary.
2. Install the dowel pins, cylinder head locator, if necessary.
3. Position a NEW cylinder head gasket to the engine block.





Important: Ensure all wires, components, etc. are out of the way when installing the cylinder head.

4. Install the cylinder head.





Notice: This component uses torque-to-yield bolts. When servicing this component do not reuse the bolts, New torque-to-yield bolts must be installed. Reusing used torque-to-yield bolts will not provide proper bolt torque and clamp load. Failure to install NEW torque-to-yield bolts may lead to engine damage.

5. Install NEW cylinder head bolts.





Notice: Refer to Fastener Notice.

6. Tighten the NEW cylinder head bolts in the following sequence:
1. Tighten the bolts (1-12) in sequence to 30 N.m (22 lb ft) plus an additional 155 degrees using the J 45059.
2. Tighten the (2 Short) end bolts (14-15) to 7 N.m (62 lb in) plus an additional 60 degrees using the J 45059.
3. Tighten the (1 Long) end bolt (13) to 7 N.m (62 lb in) plus an additional 120 degrees using the J 45059.
7. Install the timing chain and sprockets.
8. Install the exhaust manifold.