fuel AUDI A3 1999 8L / 1.G AEB ATW Engines Exhaust System Components Workshop Manual
Page 5 of 35
26-4
 
  
CAUTION! 
Part numbers are listed here for reference only. 
Always check with your Parts department for 
the latest information.  12 - 
Heated Oxygen Sensor (HO2S) 
50 Nm (37 ft lb)Only grease threads with "G 052 112 A3." 
Do NOT allow grease to get into slots on 
sensor body 
 
Checking Repair Manual, 1.8 Liter 4-Cyl. 5V 
Turbo Fuel Injection &Ignition, Repair Group 24 
13 - 
Nut 
Always replace25 Nm (18 ft lb)
14 - 
Bolt 25 Nm (18 ft lb)
15 - 
16Mount 
  Different versions for manual and automatic 
transmissions Manual transmission   Page 26
-12
 , Fig. 
 1
 
Automatic transmission   Page 26
-13
 , 
Pa
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11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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Page 11 of 35
26-8
 
  
7 - 
Heated Oxygen Sensor (HO2S) 
50 Nm (37 ft lb)Only grease threads with "G 052 112 A3." 
Do NOT allow grease to get into slots on 
sensor body Checking Repair Manual, 1.8 Liter 4-Cyl. 
5V Turbo Fuel Injection &Ignition, Repair 
Group 24 Disconnect Heated Oxygen Sensor 
(HO2S) harness connector   Page 26
-21
 
8 - 
Nut 
Always replace25 Nm (18 ft lb)
9 - 
Bolt 25 Nm (18 ft lb)
10 - 
Mount 
  Different versions for manual and automatic 
transmissions Manual transmission   Page 26
-12
 , Fig. 
 1
 
Automatic transmission   Page 26
-13
 , 
Fig.  2
 
Pa
ge 11 of 35 Exhaust s
ystem com
ponents, removin
g and installin
g
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.26.1