Gasoline engines 1ZZ-FE and 3ZZ-FE Corolla Verso 3 (AR10)

1ZZ-FE and 3ZZ-FE engines — general information
Equipped with WT-i electronic variable valve timing, individual coil ignition, ETCS-i intelligent electronic throttle control and plastic intake manifold, these engines are characterized by high performance and fuel...

Engine design features
Pic. 2.2. Valve timing engine 1ZZ-FE Pic. 2.3. Valve timing engine 3ZZ-FE Cylinder head cover Pic. 2.4. cylinder head cover The cylinder head cover is made of high-strength die-cast aluminum alloy and is lightweight....

Valve mechanism — design description
Pic. 2.11. valve mechanism General information The stroke of the valve lifters is increased, a design without shims and with an increased contact surface with the cam is used. High power, low fuel consumption and low...

Starting system — design description
Starter Pic. 2.27. Starter Instead of the pole windings used in a conventional starter, the planetary geared starter uses interpole magnets. The interpole magnets are arranged so that the total magnetic flux increases...

Attachment drive — design description
Pic. 2.29. Attachment drive To drive the auxiliary equipment of the engine, one serpentine V-ribbed belt is used. Such a design solution made it possible to reduce the length and weight of the engine, as well as reduce...

Checking the ignition timing
Note. Turn off all electrical equipment and the air conditioning system. Note. Check the ignition timing with the cooling fan off. Note. Place the shift lever in neutral while checking the ignition timing. Test with...

Test without diagnostic tool
Remove the cylinder head cover. Pic. 2.113. Connecting the stroboscope sensor Set the strobe sensor to the position shown in fig. 2.113. Note. Use a stroboscope that registers the first signal. Note. After checking,...

Checking the idle speed
Note. Turn off all electrical equipment and the air conditioning system. Note. Check the idle speed with the cooling fan off. Note. Place the shift lever in neutral while checking the idle speed. Test with diagnostic...

Cylinder compression check
Warm up and turn off the engine. Remove the cylinder bank head cover No. 2. Remove 4 ignition coils. Remove 4 spark plugs. Disconnect 4 injector connectors. Pic. 2.115. Installation of a compression gauge Insert...

Checking the content of carbon monoxide and hydrocarbons in the exhaust gases
Note. The content of carbon monoxide and hydrocarbons in the exhaust gases is controlled by the engine ECU. Start the engine. Let the engine run at 2500 rpm –1 for about 180 s. Insert the gas analyzer probe at least 40...

Replacing the fan and alternator V-belt
Note. Due to the use of an automatic belt tensioner in the design, it is not necessary to check the belt tension. Removing Remove the lower left engine shield. Remove the No. 1 engine bottom guard. Remove the lower...

Valve clearance adjustment
Valve clearance check Remove the cylinder head cover. Set the No. 1 cylinder piston to TDC on the compression stroke. Pic. 2.118. Checked valves Check up the valves specified in drawing 2.118. Using a set of flat feeler...

Replacing the timing chain
Pic. 2.121. Timing chain components The components of the timing chain are shown in fig. 2.121. Removal of a pillow of the right support of the engine Pic. 2.122. Bolt of fastening of an arm of the pipeline of the...

Removal and installation of camshafts
Pic. 2.157. Camshaft components Remove the cylinder head cover. Set the No. 1 cylinder piston to TDC on the compression stroke. Removing the camshaft No. 2 Pic. 2.158. Places for applying queens on the chain and...

Replacing the oil seal of the cover of the chain or belt drive of the gas distribution mechanism
Remove the #1 motor bottom guard. Remove the lower right engine cover. Remove the cylinder head cover #2. Remove the fan and alternator V-belt. Remove the crankshaft pulley. Use a knife to cut the working edge of the...

Removing the power unit
Reduce the pressure in the fuel system. Disconnect the negative battery terminal. Remove the battery. Remove the battery tray. Pic. 2.183. Bolts of fastening of a platform of the accumulator battery Remove the 4...

Replacing the cylinder head gasket
Reduce the pressure in the fuel system. Remove the clamp from the main wiring harness in the engine compartment. Pic. 2.198. Fastening of the top external panel of a cowl Turn out 7 bolts of fastening and remove the top...

Bulkhead of a head of the block of cylinders
Pic. 2.218. Cylinder head components Removing the conical screw plug No. 2 Pic. 2.219. Conical screw plug Using a 10 hexagon wrench, unscrew the conical screw plug and remove the gasket (pic. 2.219). Removing the valve...

Checking the cylinder block for deformation
Pic. 2.282. Checking the cylinder block for warpage Using a precision straight edge and feeler gauge, measure the warping of surfaces mating with the cylinder head gasket (pic. 2.282). The maximum allowable warp value:...