Petrol engine with a working volume of 1.2 liters
1 - Upper engine cover
With built-in air filter.
2 - wire guide
3 - connecting plug
For crankshaft speed sensor, black, 2-pin.
4 - connecting plug
For valve injector, black, 2-pin.
5 — bolt, 10 Nm
6 - fuel manifold with injectors
7 — bolt, 20 Nm
8 — bolt, 20 Nm
9 — intake manifold
10 — oxygen sensor 1, 50 Nm
Installed before the catalytic converter. Apply VW-G 052 112 AZ lubricant to the threads before installation.
Caution: Do not allow grease to come into contact with the splines of the sensor housing.
11 — plug connector
For oxygen sensor 1 (before the catalytic converter), heated, 6-pin, black, pins 3 and 4 gold plated.
12 — oxygen sensor 2, 50 Nm
Installed after the catalytic converter. Apply VW-G5 grease to the threads before installation. Caution: Do not allow grease to get on the splines of the sensor housing.
13 — plug connector
For oxygen sensor 2 (after the catalytic converter), 4-pin, black.
14 - bolts, 10 Nm
15 - coolant temperature sensor
For engine control unit, with sensor for coolant temperature gauge. Connection color: green. Before removing, if necessary, relieve pressure in the cooling system.
16 — sealing ring
Replace if damaged.
17 — clamp
Check the reliability of the fastening.
18 - bolts, 10 Nm
19 — thermostat housing
20 — clamp
Check the reliability of the fastening.
21 - Connecting plugs
Caution: Only disconnect and connect the plug connectors when the ignition is switched off.
22 — Engine control unit
When replacing the control unit, it must be coordinated with the anti-theft system.
23 — Engine control unit holder
24 - screws, 5 Nm
25 — air bleed nipple
26 - sealing rings
Always replace. Lubricate with fresh engine oil before installation.
27 — nozzle
28 - clamps
29 — fuel supply nipple
Black with white markings.
Note: Figure V-2224 shows the 1.2L AZQ engine components supplied with 12 volts.
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