Gasoline engines 1.6 and 1.8 l car Volkswagen Polo 3
Technical characteristics of engines 1F, AFT 1.6 l and ADZ 1.8 l
Table 5.1. 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 5.1. 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. 5.2 a-g. Fig. 5.2 a. AFT engine components: 1, 9 - Bolts; 2 - Upper part of the intake manifold; 3 - Gasket; 4 - Oil filler cap; 5 - Nut; 6 -...
The engine elements are shown in Fig. 5.2 a-g. Fig. 5.2 a. AFT engine components: 1, 9 - Bolts; 2 - Upper part of the intake manifold; 3 - Gasket; 4 - Oil filler cap; 5 - Nut; 6 -...
Removal and installation the timing belt
Removal 1. Remove the ribbed belt. 2. If installed, remove the ribbed belt tensioner roller. 3. Remove the crankshaft pulley/damper, water pump pulley and the upper and lower...
Removal 1. Remove the ribbed belt. 2. If installed, remove the ribbed belt tensioner roller. 3. Remove the crankshaft pulley/damper, water pump pulley and the upper and lower...
Crankshaft
The crankshaft is shown in Fig. 5.11. Fig. 5.11. Crankshaft: 1 - Bearing inserts 1, 2, 4 and 5; 2, 7 - Bolts; 3 - Main caps; 4 - Bearing insert 3; 5, 9 - Thrust half rings (axial...
The crankshaft is shown in Fig. 5.11. Fig. 5.11. Crankshaft: 1 - Bearing inserts 1, 2, 4 and 5; 2, 7 - Bolts; 3 - Main caps; 4 - Bearing insert 3; 5, 9 - Thrust half rings (axial...
Connecting rod and piston group
The piston and connecting rod are shown in Fig. 5.12. Fig. 5.12. Piston and connecting rod: 1 - Piston rings; 2 - Piston; 3 - Connecting rod; 4 - Connecting rod cover; 5 - Nuts; 6...
The piston and connecting rod are shown in Fig. 5.12. Fig. 5.12. Piston and connecting rod: 1 - Piston rings; 2 - Piston; 3 - Connecting rod; 4 - Connecting rod cover; 5 - Nuts; 6...
Cylinder head
The cylinder head of the AFT engine is shown in Fig. 5.16, and of the 1F and ADZ engines - in Fig. 5.17. Fig. 5.16. Cylinder head of the AFT engine: 1 - Adapter: 2, 10, 19 -...
The cylinder head of the AFT engine is shown in Fig. 5.16, and of the 1F and ADZ engines - in Fig. 5.17. Fig. 5.16. Cylinder head of the AFT engine: 1 - Adapter: 2, 10, 19 -...
Compression check
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 all the way...
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 all the way...
Gas distribution mechanism
The elements of the gas distribution mechanism of the AFT engine are shown in Fig. 5.20, and of the 1F and ADZ engines - in Fig. 5.21. Fig. 5.20. Elements of the AFT engine valve...
The elements of the gas distribution mechanism of the AFT engine are shown in Fig. 5.20, and of the 1F and ADZ engines - in Fig. 5.21. Fig. 5.20. Elements of the AFT engine valve...
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. 4.25). 3. Calculate...
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. 4.25). 3. Calculate...
Checking hydraulic compensators
Attention! A faulty hydraulic compensator must be replaced as a whole. It cannot be repaired. Irregular valve knocking when starting the engine is normal. 1. Start the engine and...
Attention! A faulty hydraulic compensator must be replaced as a whole. It cannot be repaired. Irregular valve knocking when starting the engine is normal. 1. Start the engine and...
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 gap between the sleeve and the valve (Fig. 5.29)....
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 gap between the sleeve and the valve (Fig. 5.29)....
Lubrication system
The elements of the lubrication system are shown in Fig. 5.30. Fig. 5.30. Elements of the lubrication system: 1, 17 - Seals; 2 - Lid; 3 - Oil level indicator; 4 - Guide bushing; 5...
The elements of the lubrication system are shown in Fig. 5.30. Fig. 5.30. Elements of the lubrication system: 1, 17 - Seals; 2 - Lid; 3 - Oil level indicator; 4 - Guide bushing; 5...
Checking oil pressure and pressure sensor
1. Unscrew the pressure sensor and screw it into the tester (Fig. 5.33). 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. 5.33). 2. Screw the tester adapter into the hole for the pressure sensor in the cylinder head. 3. Connect the...
Cooling system
The cooling system elements are shown in Fig. 5.34-5.36. The cooling system pump is shown in Fig. 5.37. Fig. 5.34. Elements of the cooling system: 1 - Clamp; 2 - Bolts with nuts;...
The cooling system elements are shown in Fig. 5.34-5.36. The cooling system pump is shown in Fig. 5.37. Fig. 5.34. Elements of the cooling system: 1 - Clamp; 2 - Bolts with nuts;...
Adjusting the accelerator cable
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. Adjustment is made...
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. Adjustment is made...
Checking the fuel pump
Checking the functionality and supply voltage 1. Turn off the ignition. 2. The fuel pump should turn on briefly. 3. If the fuel pump does not turn on, remove the fuel pump relay...
Checking the functionality and supply voltage 1. Turn off the ignition. 2. The fuel pump should turn on briefly. 3. If the fuel pump does not turn on, remove the fuel pump relay...
Gasoline vapor recovery system with carbon filter
The gasoline vapor recovery system with a carbon filter of the AFT engine is shown in Fig. 5.41, and of the 1F and ADZ engines - in Fig. 5.42. Fig. 5.41. AFT engine charcoal...
The gasoline vapor recovery system with a carbon filter of the AFT engine is shown in Fig. 5.41, and of the 1F and ADZ engines - in Fig. 5.42. Fig. 5.41. AFT engine charcoal...
Exhaust gas system
The components of the exhaust system are shown in fig. 3.27 a , muffler with supports for Polo Classic, Polo Estate cars - on fig. 3.27 b , muffler with supports of the Caddy car...
The components of the exhaust system are shown in fig. 3.27 a , muffler with supports for Polo Classic, Polo Estate cars - on fig. 3.27 b , muffler with supports of the Caddy car...
Mono-Motronic fuel injection and ignition control system
The arrangement of the fuel injection and ignition system components is shown in Fig. 5.43 a-g. The ignition system adjustment data and spark plug markings are given in Table 5.2....
The arrangement of the fuel injection and ignition system components is shown in Fig. 5.43 a-g. The ignition system adjustment data and spark plug markings are given in Table 5.2....
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 VAG 1551 fault code reader
1. Open the glove compartment lid on the driver's side and connect the VAG 1551 fault code reader using the VAG 1551/3 cable (Fig. 5.44). 2. After connecting the fault code...
1. Open the glove compartment lid on the driver's side and connect the VAG 1551 fault code reader using the VAG 1551/3 cable (Fig. 5.44). 2. After connecting the fault code...
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) and, by typing "01"...
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) and, by typing "01"...
Clearing fault memory
1. Connect the VAG 1551 fault code reader (V.A.G 1552) and, by typing "01" "Engine Electronics", select the engine control unit. The engine should be idling. The display should...
1. Connect the VAG 1551 fault code reader (V.A.G 1552) and, by typing "01" "Engine Electronics", select the engine control unit. The engine should be idling. The display should...
Reading the measured value block and basic settings
The measured values in the functions for reading the measured value block and the basic settings are described during the individual test. Changing display groups is performed in...
The measured values in the functions for reading the measured value block and the basic settings are described during the individual test. Changing display groups is performed in...
Checking the oxygen sensor and lambda control
Functional check of the oxygen 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...
Functional check of the oxygen 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...
Checking the Oxygen Sensor Heater
1. Disconnect the four-pin wiring connector from the oxygen sensor 1 ( fig. 5.46 ). 2. Connect a multimeter to measure voltage across terminals 1 and 2 of the wiring connector...
1. Disconnect the four-pin wiring connector from the oxygen sensor 1 ( fig. 5.46 ). 2. Connect a multimeter to measure voltage across terminals 1 and 2 of the wiring connector...
Checking the engine operating modes
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 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 injector
Checking the functionality of the injector 1. Disconnect the air intake pipe. 2. Start the engine and let it idle, or if the engine does not start, turn the crankshaft with the...
Checking the functionality of the injector 1. Disconnect the air intake pipe. 2. Start the engine and let it idle, or if the engine does not start, turn the crankshaft with the...
Checking the inlet air 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...
Installing the ignition distributor
1. Align the TDC marks on flywheel A or drive disk B (Fig. 5.56). 2. Align the TDC marks on the crankshaft pulley (Fig. 5.57). 3. Align the hole for the oil pump shaft with the...
1. Align the TDC marks on flywheel A or drive disk B (Fig. 5.56). 2. Align the TDC marks on the crankshaft pulley (Fig. 5.57). 3. Align the hole for the oil pump shaft with the...
Checking and adjusting the ignition timing angle
1. Connect the VAG 1767 tester or the VAG 1367 tester with the VAG 1367/8 clamps (Fig. 5.60). 2. Connect the VAG 1551 tester (V.A.G 1552) and dial "01" to select the "Address...
1. Connect the VAG 1767 tester or the VAG 1367 tester with the VAG 1367/8 clamps (Fig. 5.60). 2. Connect the VAG 1551 tester (V.A.G 1552) and dial "01" to select the "Address...
Checking the Hall sensor
1. Disconnect the wiring connector from the Hall sensor. 2. Connect the multimeter using the wires from VAG 1594 to the outer contacts of the wiring connectors (Fig. 5.62). 3....
1. Disconnect the wiring connector from the Hall sensor. 2. Connect the multimeter using the wires from VAG 1594 to the outer contacts of the wiring connectors (Fig. 5.62). 3....
Checking the ignition coil
1. Disconnect the connector and high-voltage wire from the ignition coil. 2. Check the resistance between terminals 1 and 15 of the primary winding using a VAG 1526 hand-held...
There is 1 comment
1. Disconnect the connector and high-voltage wire from the ignition coil. 2. Check the resistance between terminals 1 and 15 of the primary winding using a VAG 1526 hand-held...
There is 1 comment
Error codes
Fault code Faulty unit 00282 Throttle position sensor 00282 Throttle potentiometer 00515 Hall sensor 00516 Idle switch 00518 Throttle position sensor 00522 Coolant temperature...
Fault code Faulty unit 00282 Throttle position sensor 00282 Throttle potentiometer 00515 Hall sensor 00516 Idle switch 00518 Throttle position 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)

