Valve Housing, Replace

Fig. 4 Valve housing disassembled:

1. Referring to Fig. 4, remove dust seal and snap ring.
2. Invert housing and, from opposite seal end, gently tap bearing and seal out of housing. Exercise care when inserting and removing tool to prevent damage to valve bore in housing.
3. Remove oil inlet and outlet tube seats with tool T74P-3504-L, or equivalent, if damaged.
4. Coat tube seats with petroleum jelly and position them in housing. Install and tighten tube nuts to press seats to proper location.
5. Coat bearing and seal surface in housing with a film of petroleum jelly.
6. Position bearing in valve housing. Seat bearing in housing, making sure that bearing is free to rotate.
7. Dip new oil seal in gear lube, then place it in housing with metal side of seal facing outward. Drive seal into housing until outer edge of seal does not quite clear snap ring.
8. Place snap ring in housing, then drive on ring until snap ring seats in its groove to locate seal properly.
9. Place dust seal in housing with dished side (rubber side) facing outward. Drive dust seal in place so that it is located behind undercut in input shaft when it is installed.