03—324 Renewing front crankshaft radial sealing ring
 
 

 
 
       
 
Tightening torques
Nm
 
 
Bolt M 18 x 1.5 x 45 to crankshaft
270-330
 
 
Bolts M 8 x 65
35
 
 
Special tools

 
       
 
 

 
 
Torque wrench 150—500 Nm, 3/4" square
om617 - 0111-1.jpg
001 589 31 21 00
 
 

 
 
Puller for balancing disc
om617 - 0111-2.jpg
116 589 10 33 00
 
 

 
 
Detent
om617 - 0111-3.jpg
110 589 00 40 00
 
 

 
 
Socket 27 mm, 1/2" square
om617 - 0111-4.jpg
001 589 65 09 00
 
 

 
 
Puller for spacing ring
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616 589 00 33 00
 
 

 
 
Installer for radial sealing ring
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130 589 00 61 00
 
 

 
 
Conventional tool
 
 

 
 
Adaptor 3/4" square socket to 1/2" square head
e.g. made by Hazet, D-5630 Remscheid order no. 1058 R-1
 
 

 
 
Note
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The radial sealing ring is a so-called combination ring with all-around shoulder and contoured outer ring.
The ring consists of two different materials.
Inside: Viton (green) Outside: Acryl (black)
This radial sealing ring requires no chrome-plated spacing ring.
 
 

 
 
03.8-324/1 F 2
 
 

 
           

 

       
 

 
 
Removal
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1    Remove cooler and fan.
2    Remove pulley (19), vibration damper (20) and balancing disc (24) (03-340).
3   Push out radial sealing ring by means of a screw­driver. Make sure that crankshaft journal and mount­ing bore are not damaged.
 
 

 
 
4 Pull off spacing ring with puller, if noticeably worn.
om617 - 0112-2.jpg
 
 

 
 
Installation
 
 

 
 
5   Deburr mounting bore for radial sealing ring and clean.
Note: Do not provide mounting bore and radial seal­ing ring with sealing compound.
6    Install new spacing ring.
 
 

 
 
03.8-324/2 F 2
 
 

 
       

 

       
 

 
 
7 Coat new radial sealing ring on sealing lip and in range of dust-sealing lip with grease and insert by means of installer.
Attention!
The radial sealing ring should be accurately square in relation to crankshaft journal, since otherwise no perfect sealing will be obtained.
om617 - 0113-1.jpg
 
 

 
 
8   Install balancing disc, vibration damper and pulley (03-340).
9   Install fan and cooler.
 
 

 
 
03.8-324/3 F 2