Installation diagram of autonomous heater units (Audi Q5-8R)

1. Bolt M5x80.4x. Tightening torque 6 Nm; 2/4. Housing of the fan for supplying air to the combustion chamber of the heater "V6"; 3. Bolt M4x16.4x. Tightening torque 3 Nm; 5. Fan for supplying air to the combustion chamber of the heater "V6". Replace. Do not disassemble into parts; 6. Used additional heater "J364". Coolant leaks when pressure in the coolant circulation circuit increases with an incorrectly installed or unsuitable clamp. If the clamp is incorrectly installed, the "G18" or "G587" may pop out of the mounts. Pay attention to the correct distribution and installation of the clamps; 7. Connector, 14-pin. to the control unit of the independent heater. Layout of sockets and color of wires: Temperature sensor "G18": socket 10 - black wire, socket 11 - black wire; Flame sensor "G64": socket 1 - brown wire; socket 2 - brown wire; Temperature sensor 2 additional and autonomous heater "G587": socket 7 - white wire, socket 8 - white wire. Heater glow plug "Q9": socket 3 - brown wire, socket 6 - white wire; Combustion air supply fan "V6": socket 13 - black wire; socket 14 - brown wire; Heating element of the fuel preheating system "Z66": socket 9 - black wire, socket 12 - black wire; 8. Bolt M4x 16.4x. Tightening torque 3 Nm; 9. Clip for wire routing; 10. Additional heater control unit casing "J364"; 11. Bolt M4x12. Tightening torque 3 Nm; 12. Clamp for temperature sensor "G18". Clamp for temperature sensor and temperature sensor 2 for optional accessories. and autonomous heaters "d587" exists in various versions. In "J364" with part number 8xx xxx xxx, clamps can only be installed without a spacer ring. For "J364" with part number 4xx xxx xxx, only clamps with a spacer ring can be installed. Therefore, you should pay attention to the correct distribution (part number for clamps and control unit add. "J364" heaters must match); 13. Clamp for temperature sensor 2 additional and autonomous heater "G587"; 14. Temperature sensor "G18"; 15. Temperature sensor 2 additional and autonomous heater "G587"; 16. 2-pin plug connector to the circulation pump "V55"; 17. 6-pin plug connector to additional heater control unit "J364"; 18. 2-pin plug connector to the power supply. Has different designs 19. Heater glow plug "Q9". Nominal voltage: 8 V. If necessary, carefully clean the heating pin with a brass wire brush (spark plug brush). There are various versions of the heater glow plug "Q9", so take into account the correct correspondence; 20. Heat exchanger body. Clean inside and outside with a brass brush (spark plug brush); 21. Heat exchanger. Observe the installation position. Clean inside and outside with a brass brush (spark plug brush); 22. O-ring. Replace. Lightly moisten with coolant when installing; 23. Seal. Replace; 24. Burner cartridge. Clean inside and outside with a brass brush (spark plug brush). Various designs (for petrol and diesel engines); 25. Shaped gasket. Replace; 26. Seal. Replace; 27. Fuel evaporator. Various designs (for petrol and diesel engines); 28. Heating element of the fuel preheating system "Z66"; 29. Seal. Replace; 30. Disc; 31. Retaining ring; 32. Graphite seal. Replace. Observe installation position; 33. Flame sensor "G64"; 34. Clip. Only available in heaters running on gasoline (put on the fuel pipe of the fuel evaporator)