Lifter / Lash Adjuster: Service and Repair

REMOVAL





1. Disconnect negative battery cable.





2. Remove center cover.
3. Remove ignition coils and high-tension cords.





4. Disconnect PCV hose and ventilation hose.
5. Remove timing belt.





6. Remove cylinder head cover.





NOTICE: Align camshaft and crankshaft timing belt alignment marks.





7. Remove phase sensor.





8. Remove camshaft pulleys.





9. Loosen camshaft bearing cap bolts in five or six steps in order shown in figure.
10. Remove camshafts.





11. Mark Hydraulic Lash Adjusters (HLA) to identify their original position if they will be reused.

NOTICE: Hydraulic Lash Adjusters (HLA) must be installed in location from which they were removed. Failure to install HLA's in their original location will result in premature and uneven wear of HLA's and camshafts.

12. Remove HLA's from cylinder head.





13. Store HLA's upside-down in an oil-filled container.

INSTALLATION





1. Apply a coat of clean engine oil to friction surfaces of Hydraulic Lash Adjuster (HLA).
2. Install HLA into cylinder head bore.

NOTICE: If HLA is being reused, install it in its original position.

3. Check that HLA moves smoothly in its bore.
4. Apply clean engine oil to camshaft and camshaft bearing surfaces and install camshaft so that camshaft dowel pins point straight up.
5. Install camshaft bearing caps according to cap number with the directional arrows pointing forward.





6. Install bolts to camshaft bearing caps and tighten in five or six steps in order shown in figure.

Tightening torque: 13.0 - 19.5 ft. lbs. ( 17.6 - 26.5 Nm, 1.8 - 2.7 kg-m)

7. Apply a coat of clean engine oil to the lip of new camshaft seal.





8. Seat camshaft seal by hand and tap the seal in place until it is flush with the edge of camshaft bearing cap.





9. install camshaft pulleys onto camshaft, aligning "l" mark with the intake camshaft dowel pin, and "E" mark with exhaust camshaft dowel pin.

Tightening torque: 36.2 - 44.8 ft. lbs. ( 49 - 60.8 Nm, 5.0 - 6.2 kg-m)





10. Install phase sensor.





11. Install cylinder head cover.

Tightening torque: 5.8 - 8.7 ft. lbs. (7.8 - 11.8 Nm, 0.8 - 1.2 kg-m)

12. Install timing belt.
13. Connect PCV hose and ventilation hose.





14. Install high tension cords and ignition coils.





15. Install center cover.

Tightening torque: 3.6 - 6.5 ft. lbs. (4.9 - 8.8 Nm, 0.5 - 0.9 kg-m)





16. Connect negative battery cable.