17-4
      
Oil pump, removing
 
     
Note:  
     If irregular valvetrain noises occur and disappear 
after a lengthy drive, but always re-occur on 
short drives, replace the oil retention valves. 
     
-  Remove oil dipstick and drain engine oil.
     
-  Remove upper and lower parts of oil pan.
    
Note:  
When installing the oil pump check alignment of oil pump drive 
Tightening torques   -  Remove toothed belt   page 13
-11
 .
-  Remove toothed-belt tensioner and guide pulley at oil pump.
-  Remove screw plug. 
-  Remove oil pump.
Oil pump10 Nm   (7 ft lb)  Guide pulley20 Nm   (15 ft lb)  
30 Nm   (22 ft lb)  
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE01.17.1 
17-5
      
Oil retention valves, replacing
 
     
Note:  
     
The oil retention valves must be replaced if the 
valvetrain sounds noisy on short drives, 
although the noise may go away on longer 
drives. 
     When installing the oil pump, ensure that the 
driver at the crankshaft engages in the oil 
pump, 
     
- Remove intake manifold.
     
-  Remove cover plate beneath intake manifold.
    
Tightening torques   -  Replace oil retention valves (arrows).
Intake manifold20 Nm    (15 ft lb)  Cover10 Nm   (7 ft lb)  Oil retention valves25 Nm   (18 ft lb)  
Pa
ge 6 of 15 Lubrication s
ystem com
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE01.17.1