Contents: Removal ↧ Installation ↧
Removal
1. Remove the coolant pump.
2. Remove the crankshaft pulley.
3. Disconnect the camshaft position sensor wire connector from the engine wire harness.
4. Remove the bolts securing the front cover to the oil pan.
5. Unscrew the bolts (1) securing the front cover.
6. Remove the front cover (2) and gasket (3).
7. Discard the gasket.
8. Remove the front crankshaft oil seal (4).
9. If the cover needs to be replaced, proceed to the next steps, otherwise proceed with installation.
10. Loosen the bolts (1) and (6) securing the camshaft position sensor wire harness.
11. Disconnect the camshaft position sensor connector.
12. Remove the wire bundle (5).
13. Remove the sensor (2).
14. On LY6/L76/L92 engines, remove the variable valve timing system magnet.
Installation
Attention:
- Do not reinstall the crankshaft oil seal and front cover gasket.
- Do not apply any type of sealant to the front cover gasket.
- A special mandrel is used to center the front cover. If the cover is not centered correctly, oil may leak through the front seal.
1. If you are installing an old cover, proceed to step 9.
2. On LY6/L76/L92 engines, install the variable valve timing system magnet.
3. Check the condition of the camshaft position sensor sealing ring.
4. Lubricate the sealing ring with engine oil.
5. Install the camshaft position sensor.
6. Place the sensor wire bundle on the front cover.
7. Connect the wires to the sensor.
8. Tighten the wire harness mounting bolts. Tightening torque 12 Nm.
9. Apply a bead of sealant approximately 5 mm in diameter and 20 mm in length to the joints of the engine block and oil pan parting planes.
10. Install the NEW front cover gasket and front cover.
11. Hand tighten the bolts securing the front cover to the block.
12. Hand tighten the front cover to oil pan bolts.
13. Install the centering mandrel on the front cover.
14. Align the mandrel projections with the machined surfaces of the cover.
15. Hand tighten the crankshaft center bolt to secure the mandrel. Tighten the front cover bolts to the sump, then to the block. Tightening torque 25 Nm.
16. Remove the mandrel.
17. Connect the camshaft position sensor wires to the engine wire harness.
18. Install the NEW front crankshaft oil seal.
19. Install the coolant pump.