Removing
Note.
- The ignition must be off and the key removed from the ignition.
- This engine has the camshafts in the camshaft housing. Before removing the camshaft housing, the timing chain housing must be removed.
Note. The mating surface of the camshaft housing is not subject to any processing.
1. Remove the plastic cylinder head cover.
2. Remove the timing chain housing.
3. Turn the crankshaft to TDC of the 1st cylinder piston, then turn it about 45°back against the direction of the engine shaft and remove the chain sprockets together with the camshaft drive chain.
4. Unscrew the fastening element and disconnect the wire from the camshaft housing «masses».
5. Remove the ignition coils.
6. Remove the wire holder together with the wire harness from the camshaft housing.
7. Remove the oil level indicator.
8. Remove intake manifold.
9. Unscrew the mounting bolts and remove the left eye.
10. Loosen the camshaft housing bolts crosswise from the outside towards the inside.
11. Remove the mounting bolts and remove the camshaft housing.
Installation
Attention. It is impossible for any of the pistons to be at TDC.
Attention. Protective gloves and goggles should be used when handling the seal remover and degreaser.
1. Remove sealant residue from the cylinder head and camshaft housing with a chemical sealant remover.
Note. Make sure that dirt and sealant residues do not get into the cylinder head or camshaft housing.
2. Turn inlet camshaft and exhaust camshaft until camshaft positioner -T10171- or -T10171A- can be inserted into holes in camshafts as far as it will go.
3. To fix the camshaft positioner -T10171- or -T10171A-, screw in the M6 screw by hand without additional tightening.
4. Thoroughly clean and degrease the sealing surfaces. They must be free of oil or grease.
5. Replace the oil strainer (1), shown in the figure below, insert it into the cylinder head.
6. Insert 4 new O-rings into the grooves of the cylinder head (2), which are shown in the figure below.
7. Make sure that all the rocker arms fit correctly on the ends of the valve stems (1) and that they are properly secured to their respective hydraulic tappets (2), as shown in the figure below.
8. Before proceeding with the installation of the camshaft housing, two guide bolts should be screwed into the cylinder head (M6x80).
9. Apply the sealant evenly and thinly to the clean sealing surface of the camshaft housing.
10. In the places of arrows A, no sealant is applied. O-rings inserted into the cylinder head are sealed here.
Note. In the place marked with arrow B, no sealant should be applied. Here the mesh oil filter seals.
Note. The sealant must not be applied too thick, otherwise excess sealant may enter the oil pan and clog the oil passages, which can lead to engine failure.
11. Carefully install the camshaft housing vertically from above on the guide bolts (arrows) and on the dowel pins in the cylinder head as shown in the figure below.
Note. Make sure that no oil residue drips onto the sealing surface and that the camshaft housing is not distorted.
12. New camshaft housing mounting bolts should be tightened evenly crosswise from the inside out. Tightening torque: 10 Nm + tighten an additional 90° (¼ turn).
Note. After installing the camshaft housing, the sealing agent must dry for at least 30 minutes.
13. Adjust the valve timing in time.
14. Further installation is carried out in the reverse order of removal.
15. Install the timing chain housing.
16. Connect the negative terminal to the battery.
17. Clear the fault memory, eliminate possible faults and reset the contents of the fault memory using special equipment.