audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Detaching/attaching cover for auxiliary heater sensors > < Sealing off top part of housing with horizontally installed auxiliary heater to stop fuel emerging
Dismantling and assembling auxiliary heater (version “2”, vertical installation)
Dismantling and assembling auxiliary heater (version “2”, vertical installation)
  Note
t  Removing auxiliary heater → Chapter
t  Detaching and attaching add-on components → Chapter
   
1 - Housing with heat exchanger
q   Not to be dismantled
q   Remove combustion residue from combustion chamber prior to assembly (clean)
q   Affixing auxiliay heater rating plate in line with auxiliary heater design (for “Petrol” or “Diesel”) → Chapter
2 - Burner element with combustion air blower -V6-
q   Checking → Chapter
q   Removing and installing → Chapter
q   Dismantling and assembling → Chapter
q   Affixing auxiliay heater rating plate in line with auxiliary heater design (for “Petrol” or “Diesel”) → Chapter
q   Do not pull on impeller of combustion air blower to remove → Chapter
q   Can only be pulled out of housing following removal of glow plug for heater -Q9- → Chapter
3 - Top part of housing with intake air duct
4 - Bolt
5 - “Auxiliary heater” wiring harness
q   With various sensors
q   Version for vertical installation
6 - Cover for auxiliary heater sensors
q   Holds temperature sensor -G18- in position in auxiliary heater
q   Detaching and attaching → Chapter
7 - Hexagon nut
q   Special collared nut
8 - Hexagon nut
q   Self-locking, replace
q   For attachment of wiring harness earth connection
9 - Glow plug for heater -Q9-
q   With internal heater coils
q   Checking → Chapter
q   Removing and installing → Chapter
10 - 2-pin connector
q   To circulation pump -V55-
11 - Heater overheating fuse -S24-
q   Checking → Chapter
q   Removing and installing → Chapter
q   Part of wiring harness, cannot be replaced separately
12 - Auxiliary heater earth connection
q   Current flows back via this connection from glow plug to auxiliary heater control unit -J364-
q   Check for corrosion (contamination) and firm attachment to housing
13 - Temperature sensor -G18-
q   Checking → Chapter
q   Removing and installing → Chapter
q   Part of wiring harness, cannot be replaced separately
q   Positioned directly in coolant and sealed off from housing by way of an O-ring
14 - O-ring
q   Replace
15 - 2-pin connector
q   To combustion air blower -V6-
q   Inserted in burner element
16 - Flame monitor -G64-
q   Checking → Chapter
q   Removing/installing and checking → Chapter
q   Part of wiring harness, cannot be replaced separately

   

Detaching/attaching cover for auxiliary heater sensors > < Sealing off top part of housing with horizontally installed auxiliary heater to stop fuel emerging