Disconnect the battery.
Remove the battery. Remove the engine top covers. Remove the oil pan protection.
Remove the accessory drive belt.
Remove the timing belt.
Remove the front bumper.
Install the engine support support bar (Mot. 1672).
Remove the camshaft pulleys by blocking the shafts with a tool (Mot 1490-01).
Remove the fuel rail guard and the fuel rail feed line.
Move the fuel supply line to the side.
Disconnect the brake booster vacuum hose from the intake manifold.
Disconnect the wiring harness from the temperature sensor! coolant.
Disconnect the hoses from the thermostat housing.
Disconnect:
- pads of wires from ignition coils 1;
- block of wires from the air temperature sensor 2;
- blocks of wires of the sensor of absolute pressure 3;
- hose from the canister purge solenoid valve 4;
- block of wires from the upstream oxygen sensor.
Disconnect the wire blocks from the injectors.
Connect holders.
Turn aside a plait of wires. Remove coils and spark plugs. Remove the air filter housing.
Remove the throttle body
After removing the lifting eye 1 and unscrewing the mounting bolts 2, remove the intake manifold.
Unscrew the bolts 1 fastening the catalytic converter strut to the short gear housing and the nuts 2 fastening the exhaust pipe flange.
Set aside the exhaust pipe.
Unscrew the fastening bolts 1 and remove the oil separator.
Loosen the mounting bolts and separate the cylinder head cover by tapping on the lugs with 1 bronze drift.
Attention! Be careful not to damage the mating surfaces of the aluminum alloy parts.
Remove the intake and exhaust camshafts
Remove rocker arms 1 and hydraulic pushers 2.
Note. Put the hydraulic pushers in a vertical position to prevent leakage of fat from them.
Loosen the bolts and remove the cylinder head.
Install the cylinder head on the stand (Mot. 1573).
Remove the gasket from the cylinder block.