We remove the engine for repair or replacement
We install the car on a viewing ditch or lift
Relieve pressure in the fuel system - article Reducing fuel pressure Niva Chevrolet
Disconnect the negative battery terminal
Removing the engine screen - article Removing and installing a decorative engine cover Niva Chevrolet
Remove the air filter with the mass air flow sensor and two air supply hoses to the throttle assembly
Disconnect the throttle cable from the throttle assembly and the receiver (if the throttle assembly is cable driven) - article Adjusting and replacing the Niva Chevrolet throttle cable
Disconnect the vacuum brake booster hose from the receiver pipe
We disconnect the tube connecting the valve to the adsorber from the canister purge valve - article How to remove the elements of the Chevrolet Niva gasoline vapor recovery system
Disconnect the wiring harness from the ignition module - article Replacing the Niva Chevrolet ignition module
Disconnect the wiring harness from the idle speed controller, fuel rail and injectors, knock sensor, crankshaft position sensor, throttle position, coolant sensor, low oil pressure warning light
From the bottom of the car, next to the left support of the power plant, use a 17 spanner to unscrew the bolt securing the battery negative wire and the control system wiring harness bracket to the cylinder block
We remove the negative wire and the bracket with the wire harness holder from the cylinder block
Let's take a look engine control system water
We remove the starter, article - How to remove and check the starter VAZ-2123
Disconnect the wires from the generator - Removing and installing the Niva Chevrolet generator
We dismantle the power steering pump without disconnecting the hoses from it and tie it to the left bracket of the front suspension cross member
Remove the air conditioning compressor (if the car is equipped with air conditioning), without disconnecting the system pipes from it
We tie the compressor to the right bracket of the front suspension cross member
Disconnect the fuel supply hose from the fuel rail tube
Loosening the fastening clamp, remove the lower radiator hose from the thermostat pipe
Weaken the fastening clamps and remove the fluid supply hose to the pump from the nozzles of the thermostat and the coolant pump
Loosening the fastening clamp, remove the upper radiator hose from the outlet pipe of the cooling jacket
Loosening the fastening clamps, disconnect the heater radiator hoses from the heater radiator outlet pipe
And the cylinder head pipe.
Disconnect the exhaust pipe from the exhaust manifold and gearbox - How to repair the Chevrolet Niva exhaust system
We unscrew the nuts securing the front supports of the power plant to the brackets of the front suspension cross member - How to replace the supports of the VAZ-2123 power unit
Removing the gearbox - Removing and installing the VAZ-2123 gearbox
Remove the clutch cover with the driven disc - Removal and installation of clutch discs VAZ-2123
Using a standard bolt, we attach the eyelet removed when removing the gearbox to the upper left hole of the cylinder block
Putting the hood upright
We fix the cable of the lifting device on the engine on the right side - behind the front eye; on the left side - behind the rear eye attached to the cylinder block.
We raise the engine and remove the studs of the front supports of the power plant from the holes in the brackets of the front suspension cross member
We remove the engine assembly from the engine compartment with the front supports of the power plant
Install the engine on the car in reverse order