Contents: Removal ↧ Installation ↧
Removal
To dismantle the power unit (engine, gearbox) follow the instructions below:
- perform a pressure reduction operation in the fuel system. To do this, let the engine run for 10 seconds with the fuel pump disconnected. To disconnect the fuel pump, remove the fuse;
- remove the hood;
- drain the engine oil;
- disconnect the negative and positive terminals of the battery;
- disconnect the ground from the car frame;
- discharge the air conditioning system;
- disconnect the intake air temperature (IAT) sensor connector;
- disconnect the air ducts from the throttle valve and air filter;
- disconnect the breather from the cylinder head cover;
- remove the front right wheel and mudguard;
- remove the auxiliary drive belt (if installed);
- remove the generator adjusting screw;
- drain the coolant;
- remove the radiator and engine cooling fan;
- disconnect the upper radiator hose from the thermostat housing;
- disconnect the power steering return and pressure hoses (if installed) from the pump;
- disconnect the electrical connector from the ignition coil (EI) and the transmission control module/ECM ground clamp from the intake manifold and starter;
- disconnect the oxygen sensor connector;
- disconnect the fuel injector harness connectors;
- disconnect the Idle Air Control (IAC) valve connector and the Throttle Position Sensor (TPS) connector;
- disconnect the engine coolant temperature sensor (ECT) connector;
- disconnect the generator voltage regulator connector;
- unscrew the fastening screws and remove the decorative engine cover;
- disconnect the camshaft position sensor;
- disconnect the vacuum hoses (including brake drives);
- disconnect the fuel supply line;
- disconnect the throttle cable from the housing and intake manifold bracket;
- disconnect the coolant expansion tank hose from the throttle body;
- disconnect the heater outlet hose from the coolant pipe;
- disconnect the heater hose from the cylinder head;
- disconnect the coolant hose of the expansion tank from the coolant pipe;
- disconnect the lower radiator hose from the coolant pipe;
- disconnect the starter electromagnetic relay "S" clamp wire;
- loosen the air conditioning compressor hose connection locking screw;
- disconnect the air conditioner compressor hose connection from the compressor;
- disconnect the electrical connector from the air conditioning compressor coil;
- disconnect the power steering hose from the steering pump;
- unscrew the nuts securing the lower flange of the catalytic converter;
unscrew the nuts and remove the front part of the exhaust pipe;
- unscrew the mounting screw and remove the crankshaft pulley;
- disconnect the vacuum hoses and electrical connector from the evaporative emission control solenoid;
- disconnect the electrical connector of the oil pressure sensor;
- disconnect the crankshaft position sensor (CKP) and knock sensor connectors;
- unscrew the mounting screw and remove the crankshaft position sensor (CPS);
- place a suitable lifting device under the engine;
- remove the service compartment cover;
- unscrew the mounting screws and remove the torque converter (automatic transmission);
- remove the power steering hoses;
- unscrew the mounting screws and remove the lower cross beam;
- unscrew the mounting screws and remove the right engine mount bracket from the cylinder block;
- disconnect the engine from the transmission units (gearbox and final drive unit);
- remove the engine from the engine compartment.
Installation
The power unit is installed in the reverse order of removal.
The original article is on the website «CHEVYMAN.ru»