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Removing      - Press tie rods off steering arm. A - Ball joint splitter (commercial type) e.g. Kukko 
No. 128/2 
- Remove partition behind pedals from bulkhead 
and from steering column tube to loosen the 
universal joint/power steering gear.     If an oil extraction unit is not available, disconnect 
vane pump supply hose and drain hydraulic fluid.  - Loosen nut on the universal joint (arrow). - Remove hydraulic fluid from reservoir with an oil 
extraction unit, e.g. VAG 1358 A or VAG 1307 A. Page 16 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1  
     
        
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Assembly overview: power assisted 
steering box (TRW)  
    Determine cause of any malfunctions using 
pressure and leak testing,  Page 48-13 .      
Note:  
     Always replace self-locking nuts and bolts.      Welding and straightening work on steering 
components is not permitted. 
     To grease the rack only use steering gear 
grease, Part No. AOF 063 000 04. 
     Type of oil: Hydraulic oil G 002 000      Oil system capacity: 0.7 - 0.9 ltr. (0.74 - 0.95 
qt) 
     Supply and pressure line routing from  Page 48-85 . Page 19 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1  
     
        
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7 - O-ring  Is assembled on 
toothed rod guide 
(item -6-) contained in 
the repair kit 
8 - Pressure 
compensating tube  Check for damage 
(dents and kinks) 
9 - Toothed rod  Check for scoring  After removing 
lubricate immediately 
with hydraulic oil 
(corrosion protection)  Supplied as a 
replacement part, for 
assignment see 
replacement parts 
fiche 
10 - Plug  Is only installed if the 
toothed rod was 
replaced  To install, drill hole in 
the adjusting bolt  
Page 48-51  Supplied in repair kit Page 27 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1  
     
        
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17 - Sealing ring  Always replace 18 - Valve body  Removing  Page 48-32  Cannot be repaired  Is not supplied as 
replacement part, if 
damaged replace 
steering gear 
19 - Support ring  Eliminated starting 
4/92  If present, it must be 
reinstalled 
20 - Adhesive film  Thoroughly clean 
housing in this area before sticking on, e.g. with thinner, adhesive surface must be free of oil and grease  Always replace Page 29 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1  
     
        
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Sealing rings, installing on toothed rod 
piston      - Slide mounting sleeve on toothed rod - Pull O-ring over tool and install in groove of piston - Lubricate sealing ring with hydraulic oil, pull over 
tool and install in groove of piston Page 42 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1  
     
        
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Power steering gear, assembling  
    
Note;  
    All sealing rings should be lubricated with 
hydraulic oil before installing.     - Check whether the valve body housing -2- is 
absolutely clean on the inside, otherwise clean 
- Place sealing ring -1- on tool. The sealing lip -
arrow- points toward tool 
- Drive sealing ring into stop 1 - Sealing ring 2 - Valve body housing     - Make sure correct installation position of sealing 
ring in valve body 
- For better view, illustration shows valve tower in 
cross section Page 43 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1  
     
        
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Toothed rod, installing in housing      No grease must get into the oil circulation system!  - Grease teeth of toothed rod with AOF 063 000 04 
grease 
- Slide protective tube on to toothed rod to stop - Wipe excess grease off completely Page 45 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1  
     
        
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- Coat piston of toothed rod and protective tube 
with hydraulic oil     When sliding, make sure that the sealing ring is 
pressed into the groove of the piston without 
jamming  - Install installation sleeve 3315/22 into the housing - Slide toothed rod into the housing - Slowly introduce the toothed rod into the housing - Pull protective tube 3315/13 off the toothed rod     Align teeth of toothed rod in such a way that they 
point toward the teeth of the pinion  
- Screw mounting sleeve 3315/18 on toothed rod 
and coat with hydraulic oil 
- Carefully slide toothed rod guide 1 over the 
toothed rod into the housing to stop 
- Slide toothed rod completely into the housing. Page 46 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1