AUDI A3 1999 8L / 1.G AEB ATW Engines Engine Assembly User Guide
								
                                
                
                
                Manufacturer: AUDI, Model Year: 1999,
                  Model line: A3,
                  Model: AUDI A3 1999 8L / 1.G
                
                
                 Pages: 38, PDF Size: 0.74 MB
                    
                							
              
              
  
                
              
              
    
        
         
         
  
                                   
  AUDI A3 1999 8L / 1.G AEB ATW Engines Engine Assembly User Guide
  A3 1999 8L / 1.G
  AUDI
  AUDI
  https://www.carmanualsonline.info/img/6/950/w960_950-0.png
  AUDI A3 1999 8L / 1.G AEB ATW Engines Engine Assembly User Guide
            
        
  
 
Trending: wheel, light, service, oil, length, wiring, lock
Page 11 of 38
13-9
 
  
30 - 
Coolant pump 
With coolant regulatorRemoving and installing   Page 19
-13
31 - 
Belt pulley 
For power steering pumpDesigned for ribbed beltInstall with bulged side facing in driving 
direction 
32 - 
Belt pulley For power steering pumpDesigned for ribbed belt
33 - 
Bolt 25 Nm (18 ft lb)
34 - 
V-belt For coolant pumpRemoving and installing   Page 13
-18
35 - 
Viscous clutch 
Removing and installing   Page 13
-14
 , 
Fig.  1
 
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        Page 12 of 38
13-10
 
  
Ribbed belt for air conditioning
 
CAUTION! 
 
The A/C refrigerant circuit must not be 
opened. 
 Before removing ribbed belt, note direction of 
rotation with chalk or felt-tip marker. 
Reversing the direction of rotation of a used 
belt can destroy the belt. When installing the 
ribbed belt, make sure it is seated correctly 
on the pulley. 
1 - 
Bolt 
25 Nm (18 ft lb)
2 - 
Refrigerant lines Do not unbolt or separate
3 - 
Bushing Verify proper seating in bracket
4 - 
Bolt For bolt strength grade 8.8, tighten to 25 
Nm (18 ft lb)  parts catalog For bolt strength grade 10.9, tighten to 30 
Nm (22 ft lb)  parts catalog 
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        Page 13 of 38
13-11
 
  
CAUTION! 
Do not let A/C compressor hang by refrigerant 
lines.  5 - 
Bracket 
For A/C compressor 
6 - 
Ribbed belt tensioner Removing and installing   Page 13
-15
7 - 
Washer 
8 - 
Bolt 
20 Nm (15 ft lb)
9 - 
Ribbed belt Removing and installing   Page 13
-15
Check for wear
10 - 
A/C compressor After removing, secure A/C compressor to 
long member (i.e. using wire). 
11 - 
Washer 
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        Page 14 of 38
13-12
 
  
V-belt and ribbed belt, routing overview
 
1 - 
Ribbed belt tensioner 
2 - 
Generator 
3 - 
Viscous clutch 
4 - 
Coolant pump 
5 - 
Power steering pump 
6 - 
V-belt 
For coolant pumpRemoving and installing   Page 13
-18
7 - 
Ribbed belt 
For generator, power steering pump and 
viscous fan Removing and installing   Page 13
-15
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        Page 15 of 38
13-13
 
  
8 - 
Vibration damper 
9 - 
Ribbed belt tensioner 
For A/C compressor
10 - 
Ribbed belt For A/C compressor Removing and installing   Page 13
-15
11 - 
A/C compressor 
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        Page 16 of 38
13-14
 
    
Fig. 1  Viscous fan, removing and installing
Lock carrier in service position   Page 13
-1 
Ribbed belt free of tension   Page 13
-15
 
-  Secure belt pulley for viscous fan with 5 x 60 mm bolt and remove 
using hex socket wrench. 
-  Remove viscous fan. 
-  When installing viscous fan, tighten to 45 Nm (33 ft lb).
    
Installation is only possible in one position: the bore hole of the vibration 
damper (arrow) must align with raised portion of toothed belt gear.  Fig. 2  Install vibration damper
Lock carrier in service position   Page 13
-1 
Ribbed belt removed   Page 13
-15
 
-  Install vibration damper using only original equipment bolts (bolt 
strength grade 10.9)  parts catalog. -  Tighten vibration damper bolts to 40 Nm (30 ft lb).
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        Page 17 of 38
13-15
      
Ribbed belt, removing and installing
 
     
Lock carrier in service position   Page 13
-1 
     
CAUTION! 
     
Before removing ribbed belt, note direction of 
rotation with chalk or felt-tip marker. 
Reversing the direction of rotation of a used 
belt can destroy the belt. When installing the 
ribbed belt, make sure it is seated correctly 
on the pulley. 
     
Removing  
    
-  Remove noise insulation panel (arrows).
    
-  Loosen bolts for ribbed belt tensioner for A/C compressor (arrows).
-  Release tension on ribbed belt and remove belt.
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        Page 18 of 38
13-16
      
All models 
    
Note:   -  Move ribbed belt tensioner in direction of arrow to release tension on 
ribbed belt. 
    
Ribbed belt tensioner can be locked in place by inserting a proper sized 
angled hex socket wrench (arrow) or 3204 drift into locating bore. 
-  Remove ribbed belt and release tension on ribbed belt tensioner.
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        Page 19 of 38
13-17
      
Installing  
     
Note:  
     When installing ribbed belt, make sure it is 
seated correctly on the pulley. 
     
-  Place ribbed belt on belt pulleys for crankshaft, 
viscous fan and power steering pump, (use tools 
to pull up if necessary). 
    
-  Move ribbed belt tensioner in direction of arrow.
-  Install ribbed belt on belt pulley for generator last and release tension 
on belt tensioner. 
-  Check ribbed belt for proper installation.
   Ribbed belt routing   Page 13
-12
-  Install ribbed belt for A/C compressor.
   Ribbed belt routing   Page 13
-12
    
-  Use torque wrench to pre-tighten belt tensioner hex screw to 25 Nm 
(18 ft lb). 
-  Tighten bolts -A- to 20 Nm (15 ft lb) at same time.
-  Start engine and check running of belt.
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        Page 20 of 38
13-18
      
V-belt, removing and installing
 
     
Lock carrier in service position   Page 13
-
17
 
     
Ribbed belt free of tension   Page 13
-15
 
     
Removing  
    
-  Remove noise insulation panel (arrows).
-  Remove viscous fan (with belt pulley) from bearing   Page 13
-14
, Fig. 
 1
 . 
    
-  Remove belt pulley for coolant pump. Use drift (arrow) to counterhold 
at belt pulley for power steering pump. 
- Remove V-belt.
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Trending: service, clutch, air conditioning, wiring, engine coolant, air condition, check engine