Gasoline engines 1.4 and 1.6 l car Volkswagen Polo 3
Technical characteristics of engines AEX, APQ, AKV, ANX 1.4 l and AEE, ALM 1.6 l
Table 3.1. Engine Specifications Engine code Engine code («Letter code» and «Serial number») located in front of the cylinder block on the gearbox side below the thermostat...
Table 3.1. Engine Specifications Engine code Engine code («Letter code» and «Serial number») located in front of the cylinder block on the gearbox side below the thermostat...
Removing and installing ribbed belt
Engine elements are shown in fig. 3.2 a-c. Pic. 3.2 a. Engine elements: 1 - Upper part of the timing belt cover: 2 - Timing belt; 3, 5, 7, 10, 15, 17 - Bolts: 4 - Camshaft pulley;...
Engine elements are shown in fig. 3.2 a-c. Pic. 3.2 a. Engine elements: 1 - Upper part of the timing belt cover: 2 - Timing belt; 3, 5, 7, 10, 15, 17 - Bolts: 4 - Camshaft pulley;...
Checking the self-adjusting tension roller
1. Turn the crankshaft two full turns in the direction of rotation and set the piston of the first cylinder to TDC. 2. Tension the timing belt from the side opposite the idler...
1. Turn the crankshaft two full turns in the direction of rotation and set the piston of the first cylinder to TDC. 2. Tension the timing belt from the side opposite the idler...
Timing Belt Installation
1. Install the camshaft pulley, aligning the marks (arrow A) (pic. 3.5 a). Set the crankshaft to the TDC position of the piston of the first cylinder. The missing tooth on the...
1. Install the camshaft pulley, aligning the marks (arrow A) (pic. 3.5 a). Set the crankshaft to the TDC position of the piston of the first cylinder. The missing tooth on the...
Cylinder block, camshaft and flywheel
The block of cylinders, a camshaft and a flywheel are shown in fig. 3.6. Pic. 3.6. Cylinder block, camshaft and flywheel: 1 - Inserts 1, 2, 4 and 5; 2, 7, 8 - Bolts; 3 -...
The block of cylinders, a camshaft and a flywheel are shown in fig. 3.6. Pic. 3.6. Cylinder block, camshaft and flywheel: 1 - Inserts 1, 2, 4 and 5; 2, 7, 8 - Bolts; 3 -...
Connecting rod and piston group
The piston and connecting rod are shown in fig. 3.7. Pic. 3.7. Piston and connecting rod: 1 - Piston rings; 2 - Piston; 3 - Piston pin; 4 - Retaining ring; 5 - Connecting rod; 6 -...
The piston and connecting rod are shown in fig. 3.7. Pic. 3.7. Piston and connecting rod: 1 - Piston rings; 2 - Piston; 3 - Piston pin; 4 - Retaining ring; 5 - Connecting rod; 6 -...
Cylinder head
The cylinder head is shown in fig. 3.10. Pic. 3.10. Cylinder head: 1 - Upper part of the timing belt cover; 2 - Toothed timing belt; 3, 5, 7, 12, 16, 18 - Bolts; 4 - Camshaft...
The cylinder head is shown in fig. 3.10. Pic. 3.10. Cylinder head: 1 - Upper part of the timing belt cover; 2 - Toothed timing belt; 3, 5, 7, 12, 16, 18 - Bolts; 4 - Camshaft...
Compression test
1. Remove the air filter. 2. Remove the spark plugs. 3. Disconnect the Hall sensor wiring connector. 4. With the help of a second mechanic, press the accelerator pedal to the...
1. Remove the air filter. 2. Remove the spark plugs. 3. Disconnect the Hall sensor wiring connector. 4. With the help of a second mechanic, press the accelerator pedal to the...
Gas distribution mechanism
Elements of the gas distribution mechanism are shown in fig. 3.13 a. Pic. 3.13 a. Elements of the gas distribution mechanism: 1, 15 - Bolts; 2 - Nut; 3 - Root covers of the...
Elements of the gas distribution mechanism are shown in fig. 3.13 a. Pic. 3.13 a. Elements of the gas distribution mechanism: 1, 15 - Bolts; 2 - Nut; 3 - Root covers of the...
Valve seat processing
1. Insert the valve and press it firmly against the seat. 2. Measure the distance «A» between the end of the valve stem and the top edge of the cylinder head (pic. 3.14 a). 3....
1. Insert the valve and press it firmly against the seat. 2. Measure the distance «A» between the end of the valve stem and the top edge of the cylinder head (pic. 3.14 a). 3....
Removal and installation of a camshaft
Removing 1. Remove the ribbed belt. 2. Remove the vibration damper and the top and bottom of the timing belt cover. 3. Loosen the camshaft pulley bolt. 4. Loosen the tension...
Removing 1. Remove the ribbed belt. 2. Remove the vibration damper and the top and bottom of the timing belt cover. 3. Loosen the camshaft pulley bolt. 4. Loosen the tension...
Checking hydraulic lifters
Attention! A defective hydraulic compensator must be replaced as a whole. It is beyond repair. Irregular valve knocking when starting the engine is normal. 1. Start the engine and...
Attention! A defective hydraulic compensator must be replaced as a whole. It is beyond repair. Irregular valve knocking when starting the engine is normal. 1. Start the engine and...
Checking the valve guide
1. Insert the new valve into the sleeve so that the end of its stem is not flush with the edge of the valve sleeve. 2. Determine the gap between the sleeve and the valve (pic....
1. Insert the new valve into the sleeve so that the end of its stem is not flush with the edge of the valve sleeve. 2. Determine the gap between the sleeve and the valve (pic....
Lubrication system
The elements of the lubrication system are shown in fig. 3.18, elements of the lubrication system with a biaxial oil pump - in fig. 3.19. Pic. 3.18. Elements of the lubrication...
The elements of the lubrication system are shown in fig. 3.18, elements of the lubrication system with a biaxial oil pump - in fig. 3.19. Pic. 3.18. Elements of the lubrication...
Checking the oil pressure and oil pressure sensor
1. Unscrew the pressure sensor and screw it into the tester (pic. 3.21). 2. Screw the tester adapter into the hole for the pressure sensor in the cylinder head. 3. Connect the...
1. Unscrew the pressure sensor and screw it into the tester (pic. 3.21). 2. Screw the tester adapter into the hole for the pressure sensor in the cylinder head. 3. Connect the...
Cooling system
Elements of the cooling system are shown in fig. 3.22 a-c. Pic. 3.22 a. Elements of the cooling system: 1.3 - Bolts; 2 - Front air ducts; 4 - Retainer; 5 - Blocking support; 6 -...
Elements of the cooling system are shown in fig. 3.22 a-c. Pic. 3.22 a. Elements of the cooling system: 1.3 - Bolts; 2 - Front air ducts; 4 - Retainer; 5 - Blocking support; 6 -...
Supply system
Elements of the power supply system Polo Classic, Polo Estate are shown in fig. 3.23 a, elements of the Caddy power system - in Fig. 3.23 b. Pic. 3.23 a. Elements of the power...
Elements of the power supply system Polo Classic, Polo Estate are shown in fig. 3.23 a, elements of the Caddy power system - in Fig. 3.23 b. Pic. 3.23 a. Elements of the power...
Accelerator cable adjustment
Adjustment is made by moving the latch on the support bracket until full throttle opening is reached when the accelerator pedal is fully depressed (pic. 3.24).
Adjustment is made by moving the latch on the support bracket until full throttle opening is reached when the accelerator pedal is fully depressed (pic. 3.24).
Fuel pump check
1. Disconnect the negative cable from the battery for the duration of the test. 2. Scroll the crankshaft for a short time with a starter. The fuel pump should turn on for 1...
1. Disconnect the negative cable from the battery for the duration of the test. 2. Scroll the crankshaft for a short time with a starter. The fuel pump should turn on for 1...
Gasoline vapor recovery system with carbon filter
The gasoline vapor recovery system with a carbon filter is shown in fig. 3.26. Pic. 3.26. Gasoline vapor recovery system with carbon filter: 1 - Retaining ring; 2 - Bracket; 3 -...
The gasoline vapor recovery system with a carbon filter is shown in fig. 3.26. Pic. 3.26. Gasoline vapor recovery system with carbon filter: 1 - Retaining ring; 2 - Bracket; 3 -...
Exhaust gas exhaust system
Elements of system of release of the fulfilled gases are shown on fig. 3.27 a, muffler with car supports! Classic, Polo Estate - in fig. 3.27 b, muffler with supports for the...
Elements of system of release of the fulfilled gases are shown on fig. 3.27 a, muffler with car supports! Classic, Polo Estate - in fig. 3.27 b, muffler with supports for the...
Fuel injection and ignition control system
The arrangement of elements of system of injection of fuel and ignition is shown in fig. 3.28 a-e. The adjustment data of the ignition system and the marking of the spark plugs...
The arrangement of elements of system of injection of fuel and ignition is shown in fig. 3.28 a-e. The adjustment data of the ignition system and the marking of the spark plugs...
Self-diagnosis of the injection system
The fuel injection system control unit is equipped with a fault memory that records sensor or system faults, indicating the type of fault. Sometimes there are malfunctions that...
The fuel injection system control unit is equipped with a fault memory that records sensor or system faults, indicating the type of fault. Sometimes there are malfunctions that...
Connecting a fault code reader VAG 1551
1. Open the lid of the glove box on the driver's side and connect the VAG 1551 fault code reader using the VAG 1551/3 wire (pic. 3.29). 2. After connecting the DTC reader,...
1. Open the lid of the glove box on the driver's side and connect the VAG 1551 fault code reader using the VAG 1551/3 wire (pic. 3.29). 2. After connecting the DTC reader,...
Checking and clearing the fault memory
Fault memory interrogation To interrogate the fault memory, a VAG 1551 fault code reader and a VAG 1551/3 wire are required. 1. Connect the VAG 1551 fault code reader (V.A.G 1552)...
Fault memory interrogation To interrogate the fault memory, a VAG 1551 fault code reader and a VAG 1551/3 wire are required. 1. Connect the VAG 1551 fault code reader (V.A.G 1552)...
Reading the measured value block and basic settings
The measured values in the reading functions of the measured value block and basic settings are described during the individual test. Display groups are changed in the following...
The measured values in the reading functions of the measured value block and basic settings are described during the individual test. Display groups are changed in the following...
Checking the fuel pressure regulator and holding pressure
Attention! The power system is under high pressure. Before disconnecting any of the fuel system components, it is recommended to place rags around the connection. Then relieve the...
Attention! The power system is under high pressure. Before disconnecting any of the fuel system components, it is recommended to place rags around the connection. Then relieve the...
Checking the operating modes of the engine
1. Connect the VAG 1551 fault code reader (V.A.G 1552) and dial «01» «electric motor». The engine must be running at idle. The display should show the following formation: 2....
1. Connect the VAG 1551 fault code reader (V.A.G 1552) and dial «01» «electric motor». The engine must be running at idle. The display should show the following formation: 2....
Checking the intake manifold pressure sensor
A fault code was detected during self-diagnosis «00519 Intake manifold pressure sensor». 1. Disconnect wiring connector 1 from intake manifold pressure sensor with intake air...
A fault code was detected during self-diagnosis «00519 Intake manifold pressure sensor». 1. Disconnect wiring connector 1 from intake manifold pressure sensor with intake air...
Checking the coolant temperature sensor
A fault code was detected during self-diagnosis «00522 Coolant temperature sensor». 1. Disconnect 4-pin harness connector 1 from coolant temperature sensor 2 (pic. 3.35). 2....
A fault code was detected during self-diagnosis «00522 Coolant temperature sensor». 1. Disconnect 4-pin harness connector 1 from coolant temperature sensor 2 (pic. 3.35). 2....
Checking the intake air temperature sensor
If the intake air temperature sensor is faulty or the wiring is damaged, the control unit operates with a replaced temperature of 20°C. 1. Connect tester VAG 1551 and dial «01» to...
If the intake air temperature sensor is faulty or the wiring is damaged, the control unit operates with a replaced temperature of 20°C. 1. Connect tester VAG 1551 and dial «01» to...
Checking the oxygen sensor (lambda probe)
1, Attach tester VAG 1551 (V.A.G 1552) and dial «01» to select a function «Address word» engine control unit. The engine must be running at idle. The display should show the...
1, Attach tester VAG 1551 (V.A.G 1552) and dial «01» to select a function «Address word» engine control unit. The engine must be running at idle. The display should show the...
Checking the Oxygen Sensor Heater
Checking the supply voltage 1. Attach the wiring connector to the oxygen sensor 1 (pic. 3.41). 2. Connect the multimeter using an adapter from the VAG 1594 tester to pins 1 and 2....
Checking the supply voltage 1. Attach the wiring connector to the oxygen sensor 1 (pic. 3.41). 2. Connect the multimeter using an adapter from the VAG 1594 tester to pins 1 and 2....
Injector test
1. Remove the air filter. 2. Disconnect wiring connectors (arrows) from injectors (pic. 3.42 a). 3. Attach the diode tester VAG 1527 to the pins of the connector of the first...
1. Remove the air filter. 2. Disconnect wiring connectors (arrows) from injectors (pic. 3.42 a). 3. Attach the diode tester VAG 1527 to the pins of the connector of the first...
Checking and adjusting the ignition timing
1. Connect tester VAG 1767 or tester VAG 1367 with clamps V AG 1367/8 (pic. 3.43). 2. Connect tester VAG 15511 (V.A.G 1552) and dial «01» to select a function «Address word»...
1. Connect tester VAG 1767 or tester VAG 1367 with clamps V AG 1367/8 (pic. 3.43). 2. Connect tester VAG 15511 (V.A.G 1552) and dial «01» to select a function «Address word»...
Hall sensor test
1. Disconnect the wiring connector from the Hall sensor. 2. Connect the multimeter using wires from VAG 1594 to the outer contacts of the wiring connectors (pic. 3.44) 3. Turn on...
1. Disconnect the wiring connector from the Hall sensor. 2. Connect the multimeter using wires from VAG 1594 to the outer contacts of the wiring connectors (pic. 3.44) 3. Turn on...
Checking the ignition coil
1. Disconnect a socket and a high-voltage wire from the coil of ignition. 2. Check the resistance between terminals 1 and 15 of the primary (pic. 3.45 a). Specification...
1. Disconnect a socket and a high-voltage wire from the coil of ignition. 2. Check the resistance between terminals 1 and 15 of the primary (pic. 3.45 a). Specification...
Checking the knock sensor
1. Connect the VAG 1598/18 tester to the engine control unit wiring harness ( rice. 3.34 ). 2. Check wires and knock sensor for short circuit: sockets 19 and 39, 39 and 45, 19 and...
1. Connect the VAG 1598/18 tester to the engine control unit wiring harness ( rice. 3.34 ). 2. Check wires and knock sensor for short circuit: sockets 19 and 39, 39 and 45, 19 and...
Fault codes
Fault code Failed node 00282 Throttle position sensor 00516 Switch «single» move 00518 Throttle position sensor 00519 Intake manifold pressure sensor 00522 coolant temperature...
Fault code Failed node 00282 Throttle position sensor 00516 Switch «single» move 00518 Throttle position sensor 00519 Intake manifold pressure sensor 00522 coolant temperature...
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Polo 4
Polo 3
- General information
- User manual
- Maintenance
- Power unit
- Engine repair
- Cooling and lubrication system
- Control system
- Injection system (diesel)
- Supply system
- Exhaust system
- Chassis
- Front suspension
- Rear suspension
- Steering
- Wheels and tires
- Brake system
- Body
- Interior
- Exterior
- Electrical equipment
- Equipment and devices
- Wiper system
- Lighting system
- Electrical circuits
- General information
- User manual
- Maintenance
- Power unit
- Petrol engines 1.4 and 1.6
- Petrol engines 1.4 (V16)
- Petrol engines 1.6 and 1.8
- Diesel engines 1.7 and 1.9
- Diesel engines 1.9 D and TD
- Transmission
- Mechanical gearbox 085
- Mechanical gearbox 020/02K
- Chassis
- Front suspension
- Rear suspension
- Steering
- Brake system
- Body
- Exterior
- Interior
- Electrical equipment
- Equipment and instruments (until 2000)
- Equipment and instruments (after 2000)
- Electrical circuits
- Wiring diagrams (petrol)
- Wiring diagrams (diesel)
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