Gasoline engines 1.4 l car Volkswagen Polo 3
Technical characteristics of engines APE, AUA 1.4 16V
Table 4.1. Engine specifications Engine code The engine code is affixed to the timing belt cover. The engine code is also included in the vehicle identification plate and is...
Table 4.1. Engine specifications Engine code The engine code is affixed to the timing belt cover. The engine code is also included in the vehicle identification plate and is...
Disassembling the engine
The engine elements are shown in Fig. 4.2 a-c. Fig. 4.2 a. Engine components: 1 - Upper part of the timing belt cover; 2, 7, 10, 11, 16, 18, 22, 23 - Bolts; 3 - Camshaft pulley; 4...
The engine elements are shown in Fig. 4.2 a-c. Fig. 4.2 a. Engine components: 1 - Upper part of the timing belt cover; 2, 7, 10, 11, 16, 18, 22, 23 - Bolts; 3 - Camshaft pulley; 4...
Removal and installation the ribbed belt
To remove the ribbed belt: remove the right soundproofing casing; mark the direction of belt movement; using the key, move the tension roller in the direction of the arrow (fig....
To remove the ribbed belt: remove the right soundproofing casing; mark the direction of belt movement; using the key, move the tension roller in the direction of the arrow (fig....
Checking the valve timing
1. Remove the upper part of the timing belt cover 2. Set the piston of the first cylinder to TDC. To do this, align the mark on the crankshaft pulley with the edge of the mark O...
1. Remove the upper part of the timing belt cover 2. Set the piston of the first cylinder to TDC. To do this, align the mark on the crankshaft pulley with the edge of the mark O...
Removal and installation the timing belt
Removal 1. Remove the engine cover (arrows) (fig. 4.5 a). 2. Remove the air filter pole with the air intake duct. 3. Remove the upper part of the timing belt cover. 4. Set the...
Removal 1. Remove the engine cover (arrows) (fig. 4.5 a). 2. Remove the air filter pole with the air intake duct. 3. Remove the upper part of the timing belt cover. 4. Set the...
Cylinder block, sealing flange and flywheel
Cylinder block, sealing flange and flywheel are shown in Fig. 4.6. Fig. 4.8. Cylinder block, sealing flange and flywheel: 1.5, 6, 8 - Bolts; 2 - Oil intake; 3 - Aluminum cylinder...
Cylinder block, sealing flange and flywheel are shown in Fig. 4.6. Fig. 4.8. Cylinder block, sealing flange and flywheel: 1.5, 6, 8 - Bolts; 2 - Oil intake; 3 - Aluminum cylinder...
Connecting rod and piston group
The piston and connecting rod are shown in Fig. 4.7 a. Fig. 4.7 a. Piston and connecting rod: 1 - Retaining ring; 2 - Piston pin; 3 - Piston; 4 Compression rings; 5 - Oil scraper...
The piston and connecting rod are shown in Fig. 4.7 a. Fig. 4.7 a. Piston and connecting rod: 1 - Retaining ring; 2 - Piston pin; 3 - Piston; 4 Compression rings; 5 - Oil scraper...
Cylinder head
The cylinder head is shown in Fig. 4.8 a. Fig. 4.8 a. Cylinder head: 1 - Upper part of the timing belt cover; 2 - Main timing belt; 3 - Auxiliary timing belt; 4, 7, 11, 15 -...
The cylinder head is shown in Fig. 4.8 a. Fig. 4.8 a. Cylinder head: 1 - Upper part of the timing belt cover; 2 - Main timing belt; 3 - Auxiliary timing belt; 4, 7, 11, 15 -...
Removal and installation the camshaft housing
Removal 1. Disconnect the negative cable from the battery. 2. Remove the main timing belt. 3. Remove the adapters with high-voltage wires. 4. Disconnect the four-pin wiring...
Removal 1. Disconnect the negative cable from the battery. 2. Remove the main timing belt. 3. Remove the adapters with high-voltage wires. 4. Disconnect the four-pin wiring...
Compression check
1. Remove the engine cover (arrows) ( fig. 4.5 a ). 2. Disconnect the high-voltage wire with the adapter from the spark plug. 3. Remove the spark plug. 4. Disconnect the four-pin...
1. Remove the engine cover (arrows) ( fig. 4.5 a ). 2. Disconnect the high-voltage wire with the adapter from the spark plug. 3. Remove the spark plug. 4. Disconnect the four-pin...
Gas distribution mechanism
The elements of the gas distribution mechanism are shown in Fig. 4.11 a. Fig. 4.11 a. Elements of the gas distribution mechanism: 1, 6, 8, 12, 23 - Bolts; 2 - Camshaft pulleys; 3...
The elements of the gas distribution mechanism are shown in Fig. 4.11 a. Fig. 4.11 a. Elements of the gas distribution mechanism: 1, 6, 8, 12, 23 - Bolts; 2 - Camshaft pulleys; 3...
Valve seat machining
1. Insert the valve and press it firmly against the seat. 2. Measure the distance between the end of the valve stem and the top edge of the cylinder head (fig. 4.12 a). 3....
1. Insert the valve and press it firmly against the seat. 2. Measure the distance between the end of the valve stem and the top edge of the cylinder head (fig. 4.12 a). 3....
Checking the valve guide bushing
1. Insert the new valve into the sleeve so that the end of its stem is flush with the edge of the valve sleeve. 2. Determine the clearance between the sleeve and the valve (fig....
1. Insert the new valve into the sleeve so that the end of its stem is flush with the edge of the valve sleeve. 2. Determine the clearance between the sleeve and the valve (fig....
Lubrication system
The elements of the lubrication system are shown in Fig. 4.13. Fig. 4.13. Elements of the lubrication system: 1 - Oil pressure sensor (0.3-0.7 bar); 2, 13, 16, 23, 28 - Bolts; 3 -...
The elements of the lubrication system are shown in Fig. 4.13. Fig. 4.13. Elements of the lubrication system: 1 - Oil pressure sensor (0.3-0.7 bar); 2, 13, 16, 23, 28 - Bolts; 3 -...
Checking oil pressure and pressure sensor
1. Unscrew the pressure sensor and screw it into the tester (Fig. 4.14). 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 (Fig. 4.14). 2. Screw the tester adapter into the hole for the pressure sensor in the cylinder head. 3. Connect the...
Cooling system
The elements of the cooling system are shown in Fig. 4.15 a-c. Fig. 4.15 a. Elements of the cooling system: 1 - Clamp; 2 - Radiator; 3 - Bolts; 4 - Mounting crossbar; 5 - Radiator...
The elements of the cooling system are shown in Fig. 4.15 a-c. Fig. 4.15 a. Elements of the cooling system: 1 - Clamp; 2 - Radiator; 3 - Bolts; 4 - Mounting crossbar; 5 - Radiator...
Checking the fuel pump
The elements of the power supply system of Polo Classic, Polo Estate are shown in fig. 3.23 a chapter 3, Caddy Power System Elements - on fig. 3.23 b chapter 3. Checking the...
The elements of the power supply system of Polo Classic, Polo Estate are shown in fig. 3.23 a chapter 3, Caddy Power System Elements - on fig. 3.23 b chapter 3. Checking the...
Electronic Engine Control (EPC)
The elements of the electronic engine control system (EPC) are shown in Fig. 4.17 a, b. Fig. 4.17 a. Elements of the electronic engine control system (EPC): 1 - Bracket; 2 -...
The elements of the electronic engine control system (EPC) are shown in Fig. 4.17 a, b. Fig. 4.17 a. Elements of the electronic engine control system (EPC): 1 - Bracket; 2 -...
Checking the accelerator pedal position sensor
Both accelerator pedal position sensors G79 and G185 on the accelerator pedal transmit the movement of the accelerator pedal to the engine control unit independently of each...
Both accelerator pedal position sensors G79 and G185 on the accelerator pedal transmit the movement of the accelerator pedal to the engine control unit independently of each...
Gasoline vapor recovery system
The components of the gasoline vapor recovery system are shown in Fig. 4.21. Fig. 4.21. Elements of the gasoline vapor recovery system: 1 - Activated carbon filter; 2 - Pressure...
The components of the gasoline vapor recovery system are shown in Fig. 4.21. Fig. 4.21. Elements of the gasoline vapor recovery system: 1 - Activated carbon filter; 2 - Pressure...
Exhaust gas system
The exhaust system components are shown in Fig. 4.22. The muffler with supports for Polo Classic cars. Polo Estate - on fig. 3.27 b in Chapter 3, the muffler with supports of the...
The exhaust system components are shown in Fig. 4.22. The muffler with supports for Polo Classic cars. Polo Estate - on fig. 3.27 b in Chapter 3, the muffler with supports of the...
Exhaust gas recirculation system
The components of the exhaust gas recirculation system are shown in Fig. 4.23. Fig. 4.23. Elements of the exhaust gas recirculation system: 1 - Gasket; 2 - Inlet pipe; 3, 9 -...
The components of the exhaust gas recirculation system are shown in Fig. 4.23. Fig. 4.23. Elements of the exhaust gas recirculation system: 1 - Gasket; 2 - Inlet pipe; 3, 9 -...
Fuel injection and ignition control system
Table 4.2. Technical characteristics of the fuel injection and ignition control system The arrangement of the fuel injection system components is shown in Fig. 4.24 a, b. The...
Table 4.2. Technical characteristics of the fuel injection and ignition control system The arrangement of the fuel injection system components is shown in Fig. 4.24 a, b. The...
Self-diagnosis of the injection system
The fuel injection system control unit is equipped with a fault memory, which records faults in sensors or systems, indicating the type of fault. Sometimes faults occur that are...
The fuel injection system control unit is equipped with a fault memory, which records faults in sensors or systems, indicating the type of fault. Sometimes faults occur that are...
Connecting the tester
All functions can be performed using the VAG 1551/1552 fault code reader. They can also be performed using the new VAS 5051 tester in the engine self-diagnosis operating mode. In...
All functions can be performed using the VAG 1551/1552 fault code reader. They can also be performed using the new VAS 5051 tester in the engine self-diagnosis operating mode. In...
Checking and clearing fault memory
Querying fault memory To interrogate the fault memory, you need the VAG 1551 fault code reader and the VAG 1551/3 cable. 1. Connect the VAG 1551 fault code reader (V.A.G 1552)...
Querying fault memory To interrogate the fault memory, you need the VAG 1551 fault code reader and the VAG 1551/3 cable. 1. Connect the VAG 1551 fault code reader (V.A.G 1552)...
Reading a block of measured values
1. Connect the VAG 1551 fault code reader (V.A.G 1552) and dial "01" "Engine Electronics". The engine should idle. The display should show the following information: 2. Press "08"...
1. Connect the VAG 1551 fault code reader (V.A.G 1552) and dial "01" "Engine Electronics". The engine should idle. The display should show the following information: 2. Press "08"...
Checking the intake manifold pressure sensor
1. Connect the VAG 1551 fault code reader (V.A.G 1552) and dial "01" "Engine Electronics". The engine should idle. The display should show the following information: 2. Press "08"...
1. Connect the VAG 1551 fault code reader (V.A.G 1552) and dial "01" "Engine Electronics". The engine should idle. The display should show the following information: 2. Press "08"...
Checking the inlet air temperature sensor
If the intake air temperature sensor is faulty or the wiring is damaged, the control unit operates with a substituted temperature of 20°C. 1. Connect the VAG 1551 tester and dial...
If the intake air temperature sensor is faulty or the wiring is damaged, the control unit operates with a substituted temperature of 20°C. 1. Connect the VAG 1551 tester and dial...
Checking the coolant temperature sensor
1. Connect the VAG 1551 tester and dial "01" to select the "Address word" function of the engine control unit. The engine should be idling. The display should show the following...
1. Connect the VAG 1551 tester and dial "01" to select the "Address word" function of the engine control unit. The engine should be idling. The display should show the following...
Checking the crankshaft speed sensor
If the sensor fails while the engine is running, the engine may stop. 1. Disconnect the three-pin wiring connector from the crankshaft speed sensor (arrow) (on the thermostat...
If the sensor fails while the engine is running, the engine may stop. 1. Disconnect the three-pin wiring connector from the crankshaft speed sensor (arrow) (on the thermostat...
Checking the fuel pressure regulator and holding pressure
Warning! The fuel 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...
Warning! The fuel 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 Hall Sensor
1. Remove the engine cover (arrows) (Fig. 4.44). 1. Disconnect the three-pin wiring connector from the Hall sensor (arrow) (Fig. 4.45). 2. Connect the multimeter using the wires...
1. Remove the engine cover (arrows) (Fig. 4.44). 1. Disconnect the three-pin wiring connector from the Hall sensor (arrow) (Fig. 4.45). 2. Connect the multimeter using the wires...
Checking the ignition coil
1. Disconnect the four-pin wiring connector from the ignition coil (arrow) (Fig. 4.46). 2. Fuse No.34 must be in working condition (Fig. 4.47). 3. Connect a multimeter to check...
1. Disconnect the four-pin wiring connector from the ignition coil (arrow) (Fig. 4.46). 2. Fuse No.34 must be in working condition (Fig. 4.47). 3. Connect a multimeter to check...
Error codes
Fault code Faulty unit SAE V.A.G P0106 16490 Intake Manifold Pressure, Impossible Signal P0107 16491 Intake Manifold Pressure Signal Too Low P0108 16492 Intake Manifold Pressure...
Fault code Faulty unit SAE V.A.G P0106 16490 Intake Manifold Pressure, Impossible Signal P0107 16491 Intake Manifold Pressure Signal Too Low P0108 16492 Intake Manifold Pressure...
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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)