- To remove the rear cylinder head, you must first remove the engine and gearbox from the vehicle.
- Removal and installation of the rear cylinder head is carried out in the same way as the front head, taking into account the following.
- Tighten the rear cylinder head mounting bolts in several stages in the sequence shown in Figure 2.26.
- Tightening bolts on new cylinder heads:
Stage 1 - tighten all bolts to 60 Nm.
Stage 2 - loosen all bolts.
Stage 3 - tighten all bolts to 40 Nm.
Stage 4 - tighten the bolts to an angle of 180°
- Adjust the clearance in the valve drive.
- Warm up the engine for 15 minutes at a crankshaft speed of 2000 min-1.
- Retightening: cold engine (at least 6 hours after stopping the engine) - tighten all bolts to an angle of 50°.