engines

To compensate for the thermal expansion of the valve stem, a gap is required between the camshaft cam and the valve lifter

The fuel rail is removed to replace injectors and repair the cylinder head, as well as when replacing the rail itself

Checking the thermostat
After starting a cold engine, the main thermostat valve is closed, and the upper part of the thermostat housing in good condition remains colder than other parts of it for some time

Pressure reduction in the supply system
Remove the No. 9 fuse (fuel pump fuse) from the right fuse box.