Camshafts (Hyundai Elantra XD)

Removal

1. Disconnect the crankcase ventilation hose.

2. Remove the water pump pulley and crankshaft.

3. Remove the timing belt cover.

4. Move the timing belt tension roller away and temporarily secure it in this position.

5. Remove the timing belt from the camshaft pulley.

6. Remove the screws and remove the center cover.

7. Remove the ignition coil assembly.

8. Remove the bolts and cylinder head cover.

9. Remove the camshaft pulley.

10. Remove the camshaft bearing caps and chain.

11. Remove the camshafts.

12. Remove the adjusting shims and pushers.

1. Arrange the adjusting shims and pushers in such a way that during assembly. If the sealing edge is worn or damaged, replace the sealing ring.

2. Check the surface of the camshaft that contacts the sealing ring. If this surface is evenly worn, replace the camshaft to restore them to their original positions.

Examination

Camshafts

1. Check the camshaft for uneven wear, cracks or damage.

2. Measure the height of each camshaft lobe at two points.

Nominal height of intake camshaft cams:

1.8 and 2.0L engines, except CVVT: 44.820 mm;
1.6L engines: 43.4484 mm.

Nominal height of exhaust camshaft:

1.8 and 2.0L engines, except CVVT: 44.720 mm;
1.6L engines: 43.8489 mm.

Minimum permissible height of intake camshaft cams:

1.8 and 2.0L engines, except CVVT: 44.720 mm;
1.6L engines: 42.9484 mm.

Minimum permissible height of the exhaust camshaft:

1.8 and 2.0L engines, except CVVT: 44.620 mm;
1.6L engines: 43.3489 mm.

3. Check the cam surfaces for uneven wear and damage.

4. Check each bearing for damage. If the bearing running surface is excessively damaged, replace the cylinder head or camshaft bearing cap.

Axial clearance of the camshaft:

1.8 and 2.0 l engines: 0.1–0.2 mm;
1.6L engines: 0.1–0.15 mm.