Stuffing boxes, O-rings transfer case, replacement
| Stuffing boxes, O-rings transfer case, replacement | 
| To remove | 
| 1. | Remove
        
         Transfer case. | |
| 2. | Secure the transfer case in
        
         78 74 878 Floor stand
        
        , use
        
         32 025 053 Holder
        
        (EN-47642). Undo the drain plug (A) and drain the oil.   
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| 3. | Remove the outer circlip (A) from the housing.   | |
| 4. | Tap out the intermediate shaft (A), use a rubber mallet.   | |
| 5. | Remove the circlips (A) and (B).   | |
| 6. | Remove the bearing (C), use tool (D)
        
         87 90 982 Ring, pinion bearing
        
        and press off the bearing.   | |
| 7. | Remove the O-ring (A).   | |
| 8. | Remove the transfer case bolts (A), and lift off the housing.   | |
| 9. | Remove the seal (A).   | |
| 10. | Remove the seal (A) and input shaft (B).   | |
| 11. | Remove the O-ring (A) and tube sleeve (B) use tool:
        
         83 90 270 Sliding hammer
        
        ,
        
         87 92 319 Adapter, 3/8" - M10
        
        and
        
         87 92 939 Puller, bearing in gearcase
        
        .   | |
| 12. | Remove the crown wheel (A) and O-ring (B).   | |
| 13. | Remove the seals (A).   | |
| 14. | Remove the dust excluder (A).   | |
| 15. | Remove the seal (B) and the bolts (C).   | |
| 16. | Lift out the pinion's bearing support (A) and shims (B), use a screwdriver against the bottom of the pinion. Remove the O-ring (C).   | |
| To fit | 
| 1. | Remove the sealing compound from the mating face. | |
| 2. | Fit O-ring (C), shims (B) and move the pinion's bearing support (A) into position.   | |
| 3. | Fit the bolts (C) Tightening torque 20 Nm +30 degrees (15 lbf ft +30 degrees) and stuffing box (B) use tool: DT-49061 Entry cone and DT-49097 Fitting drift .   | |
| 4. | Fit the dust excluder (A), use tool:
        
         DT-49095 Fitting drift   | |
| 5. | Fit the seals (A), use tool:
        
         DT-49093 Fitting drift
        
        .   | |
| 6. | Fit O-ring (B) and crown wheel (A).   | |
| 7. | Fit the tube sleeve (B) and the O-ring (A).   | |
| 8. | Fit the input shaft's seal (A), use tool:
        
         DT-49094 Fitting drift
        
        . Fit the input shaft (B).   | |
| 9. | Fit the seal (A), use tool:
        
         DT-49093 Fitting drift
        
        .   | |
| 10. | Wipe clean the mating face and apply a bead of sealant, Loctite 5970 or equivalent, and lift the housing into place. | |
| 11. | Fit the transfer case bolts (A), use thread locking adhesive Loctite 243 or equivalent. Tightening torque 20 Nm +30 degrees (15 lbf ft +30 degrees)   | |
| 12. | Fit the circlip (B), press on the bearing, use tool:
        
         87 90 982 Ring, pinion bearing
        
        and fit the circlip (A).   | |
| 13. | Fit
        
         DT-49104 Protective collar
        
        , tap in the intermediate shaft (A), use tool:
        
         DT-49103 Fitting drift
        
        and rubber mallet. Remove the collar and apply grease to the splines, use Molykote P4 or Mobil XHP 222.   
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| 14. | Fit the outer circlip (A) in the housing.   | |
| 15. | Fit the O-ring (A).   | |
| 16. | Fill with 0.65 litres Burmah Castrol SAF PD SAE 75W 85
        
         93 165 383 Transfer case oil
        
        in the transfer case. | |
| 17. | Fit
        
         Transfer case | |

 
		