Cylinder Head Assemble (LF1, LFW or LFX)
Cylinder Head Assemble (LF1, LFW or LFX) |
Special Tools
• |
EN 8062
Valve Spring Compressor - Head Off
|
• |
EN 46116
Valve Stem Seal Remover/Installer
|
• |
EN 46117
Valve Stem Key Remover/Installer
|
• |
EN 46119
Off-Vehicle Valve Spring Compressor Adapter
|
• |
EN 46122
Camshaft Position Actuator Check-Ball Valve Remover/Installer
|
For equivalent regional tools, refer to Special Tools .
1. |
Use lubricant included with
EN 46122
remover/installer to lubricate outside of new check valve (1).
|
2. |
With the check ball end of the check valve facing UP, away from the head, insert the NEW check valve into the check valve bore in the cylinder head.
|
3. |
Place collar EN 46122-2 (1) over the new check valve with the slightly-larger inside diameter of the collar DOWN toward the cylinder head.
|
4. |
Using the driver EN 46122-1 (2), lightly tap the new check valve into place until the driver stops against the top of the collar.
|
6. |
Refer to
Fastener Caution
.
Install the cylinder head coolant threaded plugs and tighten to 31 Nm (23 lb ft) . |
7. |
Install the NEW cylinder head oil gallery expansion plugs.
|
8. |
Place the valve stem oil seals onto the guides.
|
9. |
Mount a new valve stem oil seal using the EN 46116 remover/installer. |
10. |
Push and twist the valve stem oil seal into position on the valve guide until the seal positively locks on the guide using the EN 46116 remover/installer. |
11. |
Lubricate the valve stem and valve guide ID with clean engine oil. Refer to
Adhesives, Fluids, Lubricants, and Sealers
for recommended lubricant.
|
12. |
Insert the valve into the valve guide until it bottoms on the valve seat. |
13. |
Position the valve spring on the spring seat.
|
14. |
Place the valve spring retainer onto the valve spring.
|
16. |
With the spring compressed, install the valve keepers into the EN 46117 remover/installer. |
17. |
Place the keepers into position by pushing the tool downward. Hold together the tool lightly in the area between the O-rings with the thumb and forefinger, then release the tension on the adapter
EN-46119
and
compressor
EN 8062 . In this way, the remover/installer
EN-46117
is pressed slowly from the valve stem and the collets are left in place.
|
18. |
Verify that the valve keepers are installed by placing a rag over the valve tip and tapping with a dead-blow hammer.
|
19. |
Install the fuel rail with injectors (2) into the cylinder head evenly. |
20. |
Install and hand tighten the two outer fuel rail bolts (1) to seat the injectors in the injector bores.
|
21. |
Install and hand tighten the two inner fuel rail bolts.
|
22. |
Tighten the fuel rail bolts in the sequence shown to
25 Nm (18 lb ft)
.
|