Note. Checking and adjusting the thermal clearances in the valves is carried out only on a cold engine.
Using a 5mm socket wrench, unscrew the two nuts and remove the engine cover.
Pic. 2.221. Removing the upper part of the intake manifold
Using an 8mm socket wrench, remove the upper part of the intake manifold (pic. 2.221).
Remove ignition coils. Remove spark plugs.
Remove the cylinder head covers.
Disconnect the high voltage wires from the spark plugs, holding them only by the rubber tips.