instrument panel AUDI A4 1999 B5 / 1.G Heating And Ventilation System Servicing Workshop Manual
[x] Cancel search | Manufacturer: AUDI, Model Year: 1999, Model line: A4, Model: AUDI A4 1999 B5 / 1.GPages: 24, PDF Size: 0.49 MB
Page 1 of 24

87-151
 
  
Heating and ventilation system, 
servicing  Instrument panel air outlets and air guide 
ducts
 
CAUTION! 
Before working on the electrical system: 
Note:  
Air is extracted from the passenger compartment 
through 2 outlets located on both sides of the rear 
luggage compartment area near the bumper   
page 87-157
 . 
Removing and installing   Repair Manual, Body 
Interior, Repair Group 70
    
Obtain security code for anti-theft radio.
 Note customer's pre-set radio stations.
 Disconnect battery Ground (GND) strap.1 - 
Instrument panel top cover 2 - 
Retaining spring for air guide duct 
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Page 2 of 24

87-152
 
  
3 - 
Retaining spring for air guide duct 
4 - 
Air guide duct 
5 - 
Defroster duct 
6 - 
Right instrument panel air outlet 
Removing and installing   page 87
-155
7 - 
Side window defroster vent 
Removing and installing   Repair Manual, Body Interior, Repair Group 70
 
8 - 
Center instrument panel air outlet 
Removing and installing   page 87
-154
9 - 
Windshield defroster vent 
Removing and installing   page 87
-156
10 - 
Left instrument panel air outlet 
Removing and installing   page 87
-155
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Page 3 of 24

87-153
      
Tool for removing instrument panel air 
outlets, locally made
 
    
-  Bend 3 mm (1/8 in.) diameter wire as shown.
   Dimension X = 6 mm (1/4 in.)
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Page 4 of 24

87-154
      
Instrument panel air outlet (center), 
removing and installing
 
    
Note:  
Should a swivel insert become detached from the air outlet when 
removing, re-install swivel insert so that it locks in place on both sides.  -  Insert tools -A- into the instrument panel air outlet and pull outlet evenly 
out of the instrument panel. 
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Page 5 of 24

87-155
      
Instrument panel air outlets (left and 
right), removing and installing
 
    
Note:  
Should a swivel insert become detached from the air outlet when 
removing, re-install swivel insert so that it locks in place on both sides.  -  Insert tools -A- into the instrument panel air outlet and pull air outlet 
evenly out of the instrument panel. 
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Page 6 of 24

87-156
      
Instrument panel windshield defroster 
vent, removing and installing
 
      Remove instrument panel top cover  
       Repair Manual, Body Interior, Repair Group 
70
 
    
-  Remove nuts -A- and remove vent from instrument panel top cover.
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Page 9 of 24

87-159
      
Heater/air conditioner assembly 
complete with instrument panel, 
removing and installing (1996)
 
     
-  Using VAG1551 function 03, initiate output 
Diagnostic Test Mode (DTM)   page 01
-42
 . 
    
CAUTION! 
Before proceeding with removal of instrument panel and heater/air 
conditioner complete:  -  Proceed through output DTM and wait until air flow flap -A- closes via 
air flow flap motor V71. 
-  Cancel output DTM (press VAG1551 button -C-) with closed air flow 
flap -A-. 
-  Discharge refrigerant system   page 87
-201
 .
-  Remove dust and pollen filter   page 87
-158
 .
Obtain security code for anti-theft radio.Note customer's pre-set radio stations.Move power seats to most rearward position.Disconnect and remove battery.
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Page 12 of 24

87-162
       Remove glovebox, lower shelf on driver side and 
center section of instrument panel complete (trim 
and supports)  
       Repair Manual, Body Interior, Repair Group 
70
 
   Detach pedal assembly from instrument panel 
mounting (bolt -1-)   Repair Manual, Brake 
System, Repair Group 46
  
Remove drivers Airbag unit   Repair Manual, Body 
Interior, Repair Group 69
  
Remove steering wheel   Repair Manual, Electrical 
Equipment, Repair Group 96
  
Remove steering column -4- from steering gear (bolt 
-5-) and secure with wire -3- at hole -2- to prevent 
unit from sliding apart   Repair Manual, 
Suspension, Wheels, Steering, Repair Group 48
  
Disconnect affected electrical connections to 
Electronic box (integrated auxiliary fuse/relay panel) 
in left air plenum chamber)   Repair Manual, 
Electrical Equipment, Repair Group 97
  
Disconnect all affected electrical connections 
between instrument panel assembly and vehicle   
Repair Manual, Electrical Equipment, Repair Group 
97
  
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Page 13 of 24

87-163
 
   Remove heater/air conditioner assembly complete 
with instrument panel   Repair Manual, Body 
Interior, Repair Group 70
  
Note:  
The instrument panel must only be placed on a 
clean, covered workbench to avoid damaging the 
top cover. 
-  Remove footwell air outlet   page 87
-134
 .
-  Disconnect all electrical connections between 
instrument panel and heater/air conditioner 
assembly. 
    
Notes:  -  Remove all screws/bolts between instrument 
panel mounting and heater/air conditioner 
assembly. 
-  Separate Instrument cluster from heater/air 
conditioner assembly. 
-  Install in reverse order of removal noting the 
following. 
 
Before removing screws/bolts, mark installation 
position. 
 All cable ties removed in order to separate the 
instrument panel from the heater/air 
conditioner assembly must be re-attached at 
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Page 15 of 24

87-164
      
Notes:  
     
When re-installing instrument panel and 
heater/air conditioner assembly, ensure the A/C 
system vacuum supply hose with heater core 
fixture, and low pressure switch electrical 
connector and evaporator fixture are inserted 
together through the plenum chamber 
openings. 
     Ensure evaporator drain is correctly positioned 
 page 87
-169
 . 
    
Connect coolant hoses correctly: 
Ensure boot -C- is correctly installed.Hose -A-: return flow to water pump (with vent hole).Hose -B-: supply from cylinder head.
    
Replace refrigerant line O-rings -A- and -B-.Evaporator refrigerant line fixture bolt tightening torque: 15 Nm (11 ft 
lb). Ensure boot -D- and wiring to low pressure switch are correctly 
located and secured when installing. 
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