Attention!
- Hydraulic compensators that have been in operation must only be installed in their places.
- Exhaust and intake valve springs are different. They are installed with a large diameter towards the head of the block. Incorrect installation of the springs will damage the engine.
The replacement of the springs of all valves should be carried out according to the technology similar to the engine «M54». In this case, it is necessary to remove the support jumper (23, fig. 5.12) together with the intake camshaft and install on the tool «11.9.470».
Remove the exhaust camshaft and center the tool «11.0.346» (pic. 5.93) along the axis of the valve. While pressing on the top plate, compress the valve spring and remove the crackers. Slowly release the lever, remove the poppet and remove the valve spring.
Springs (2) exhaust valves approximately 4.0 mm longer (pic. 5.94) springs (1) intake valves. Springs are color-coded (3), which is applied to the lower end of the valve spring. Install the valve springs so that the larger diameter faces the cylinder head.