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Replacing the coolant in the cooling system (VW Passat B2)

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  • Replacing the coolant in the cooling system
            0


There is no hole in the cylinder block to drain the coolant from the cooling jacket.

Remove the cap from the expansion tank.

Disconnect the radiator supply hose from the cylinder block and drain the coolant.

Check the reliability of the fastening of the cooling system hose clamps.

Fill the coolant to the MAX mark on the expansion tank.

Let the engine run to remove air pockets in the cooling system.

Check and, if necessary, top up the fluid level in the expansion tank.

Cooling system details:
Cooling system details:
1 — radiator;
2 - filler plug;
3 — electric fan switch sensor;
4 — fan;
5 - Electric motor;
6 — electric fan guide casing;
7 - gasket;
8 - distribution tube;
9 — thermostat housing;
10 — thermostat;
11, 13 — sealing rings;
12 — lid;
14 - water pump.

This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
The text has been checked: Kolesnikov Artem

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Previous articles
Checking the oil pressure in the lubrication system
Removal and installation of the oil pump of the lubrication system
Engine assembly
Preparatory stages of engine assembly
Disassembly and assembly of the engine
Removal and installation the engine
Next articles
Removal and installation the water pump


Similar articles from other manuals for VW cars:
Cooling system data Golf 1 (1974-1984, petrol)
Cooling system Polo 3 (1995-2003)
Pressure testing of the cooling system (petrol engine) Touareg 1 (2002-2006)
Removal and installation the cooling system pump Tiguan 1 (2007-2015)
Filling the cooling system with coolant Sharan 1 (1995-2000)
Checking the tightness of the cooling system by external… Transporter T4 (1990-2003)
Cooling system — replacing coolant and flushing the system LT 28 (1975-1991)
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Passat B6 
  • General information
  • User manual
  • Maintenance
  • Petrol engine 1.6L
  • Engine repair
  • Cooling and lubrication system
  • Fuel injection system
  • Petrol engine 2.0L
  • Engine repair
  • Lubrication system
  • Cooling system
  • Fuel and exhaust systems
  • Diesel engine 2.0L
  • Engine repair
  • Cooling and lubrication system
  • Fuel and exhaust systems
  • Transmission
  • Clutch
  • Mechanical gearbox
  • Automatic gearbox
  • Drive shafts
  • Chassis
  • Wheels and tires
  • Car suspension
  • Steering
  • Brake system
  • Body
  • Exterior (external elements)
  • Electrical equipment
  • Power devices
  • Lighting and appliances
  • Electrical circuits
Passat B5 
  • General information
  • User manual
  • Weekly checks
  • Maintenance
  • Power unit
  • Engine repair
  • Cooling system
  • Fuel system (petrol)
  • Fuel system (diesel)
  • Engine management
  • Exhaust system
  • Transmission
  • Clutch
  • Car gearbox
  • Drive shafts
  • Chassis
  • Car suspension
  • Wheels and tires
  • Steering
  • Brake system
  • Body
  • Exterior (external elements)
  • Interior (internal elements)
  • Doors and covers
  • Ventilation and heating
  • Electrical equipment
  • Power devices
  • Lighting and appliances
  • Electrical circuits
Passat B4 
  • General information
  • User manual
  • Maintenance
  • Technical data
  • 8-valve engine
  • Engine repair
  • Cooling and lubrication system
  • Supply system
  • Ignition system
  • Fuel injection «Mono-Jetronic»
  • Control system «Mono-Motronic»
  • Control system «Digifant»
  • Control system «Simos»
  • 16-valve engine
  • Engine repair
  • Cooling and lubrication system
  • Fuel injection «K-Jetronic»
  • Control system «KE-Motronic»
  • Control system «Digifant»
  • Diesel engine
  • Engine repair
  • Cooling and lubrication system
  • Power and control system
  • Turbocharging system
  • Digital control system
  • Transmission
  • Clutch
  • Manual gearbox
  • Hydromechanical gearbox
  • Front wheel drive
  • Chassis
  • Car suspension
  • Steering
  • Brake system
  • Body
  • Body elements
  • Electrical equipment
  • Power devices
  • Lighting and appliances
  • Electrical circuits
Passat B3 
  • General information
  • User manual
  • Driving Tips
  • Maintenance instructions
  • Technical data
  • Power unit
  • Engine repair
  • Ignition system
  • Lubrication system
  • Cooling system
  • Supply system
  • Petrol injection system
  • Diesel engine
  • Exhaust system
  • Transmission
  • Clutch
  • Car gearbox
  • Chassis
  • Suspension
  • Steering
  • Brake system
  • Wheels and tires
  • Body
  • Exterior
  • Interior
  • Heating system
  • Electrical equipment
  • Power devices
  • Lighting system
  • Equipment and devices
  • Wiper system
  • Electrical circuits
Passat B2 
  • General information
  • Introduction to instructions
  • User manual
  • Power unit
  • Engines 4-cylinder FZ
  • Engines 4-cylinder
  • Engines 5-cylinder
  • Transmission
  • Clutch
  • Four-speed gearbox
  • Five-speed gearbox
  • Hydromechanical gearbox
  • Front wheel drive
  • Chassis
  • Front suspension
  • Rear suspension
  • Steering
  • Brake system
  • Body
  • Body elements
  • Electrical equipment
  • Equipment and devices
  • Electrical circuits
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