REMOVAL AND INSTALLATION

Removal steps <<A>> >>E<< 1. Cylinder head bolt 2. Washer 3. Cylinder head assembly >>D<< 4. Cylinder head gasket <<B>> >>C<< 5. Retainer lock 6. Valve spring retainer >>B<< 7. Valve spring 8. Inlet valve <<B>> >>C<< 9. Retainer lock 10. Valve spring retainer >>B<< 11. Valve spring 12. Exhaust valve >>A<< 13. Valve stem seal 14. Valve spring seat >>A<< 15. Valve stem seal 16. Valve spring seat 17. Inlet valve guide 18. Snap ring 19. Exhaust valve guide 20. Inlet valve seat 21. Exhaust valve seat 22. Cylinder head

Use special tool Cylinder head bolt wrench (MD998051) to loosen the cylinder head bolt.

1.Using special tool Valve spring compressor (MD998735), compress the spring. 2.Remove the retainer locks.

1. caution Valve stem seals for intake valves and for exhaust valves are different. Be sure to install the correct ones. Valve stem seal identification color Intake: Gray Exhaust: Gray green Install the valve spring seat.

2. caution Always use the special tool to install the valve stem seal. Improperly installed valve stem seals may leak oil. Using special tool Valve stem seal installer (MB991999), install a new stem seal to the valve guide.

Install the valve spring end with its identification color toward the spring retainer.

Using special tool Valve spring compressor (MD998735), compress the valve spring and insert the retainer lock into position.

The cylinder head gasket identification mark are stamped at the position shown in the illustration.

caution Attach the head bolt washer in the direction shown in the figure. 1.Use special tool Cylinder head bolt wrench (MD998051), tighten to specified torque of 108 ± 5 N·m the bolts in two three stages in the illustrated sequence. 2.Back off the bolts once and tighten them to the specified torque in the same procedure as shown in step 1.