Removing and installing the throttle assembly of the engine ZMZ-40522, ZMZ-406
Turn off the ignition, disconnect the "negative" terminal of the battery
Disconnect the throttle position sensor connector.
Using a screwdriver, we loosen the clamp of the air supply hose to the throttle body and remove the hose.
Disconnect the throttle cable.
Drain the coolant (see Replacing the coolant) .
It is not necessary to drain all the coolant, you just need to quickly insert a pre-prepared plug or substitute a container to collect the liquid.
Loosen the clamps of the coolant supply hoses with a screwdriver
Remove the hoses
Using a screwdriver, we loosen the hose clamps of the idle speed regulator, crankcase ventilation and remove the hoses from the nozzles of the throttle body
Using a 6 hex wrench, unscrew the four bolts securing the throttle pipe to the receiver
Carefully, so as not to damage the gasket, remove the throttle body
Install the throttle body in reverse order. After installation, you need to adjust the throttle actuator.
Removing and installing the throttle assembly of the ZMZ-40524 engine
Disconnect the minus terminal from the battery
Press out the latch
Disconnect the wiring harness block from the mass air flow sensor
Weaken the clamp and disconnect the air supply hose from the filter cover
Loosen the clamp and disconnect the hose from the throttle assembly
Loosen the clamp and disconnect the crankcase ventilation hose from the air supply sleeve
Remove the air inlet sleeve together with the intake silencer and the mass flow sensor
Squeeze the latch
Disconnect the wiring harness block from the throttle assembly
We unscrew the three bolts of the throttle assembly
Remove the throttle body
Remove the gasket and be sure to replace it
Install all parts in reverse order