Pump - gearbox oil

13. Fit oil pick-up pipe with the off-set uppermost.
14. Lubricate oil pump recess with gearbox oil.
15. Lubricate a new 'O' ring with gearbox oil and fit to oil pump.
16. Locate oil pump in extension housing with word 'TOP' towards top of housing.
17. Align oil pump fixing screw holes and tap pump lightly around edges until it is fully in recess. Do not attempt to pull pump into recess using fixing screws.
18. Fit Torx screws and tighten to 6 Nm (4.5 lbf.ft).
19. Remove 2 slave bolts securing centre plate to gearbox casing.
20. Apply sealant, Part No. STC 3254 to gearbox casing face.
21. Position extension housing, align oil pump drive with layshaft.
22. Clean extension housing bolt threads.
23. Apply Loctite 290 to threads of extension housing bolts, fit bolts ensuring 2 longest bolts are in their original positions and tighten by diagonal selection to 25 Nm (18 lbf.ft).
24. Using new 'O' ring, fit interlock spool retainer and tighten bolt to 8 Nm (6 lbf.ft).

25. Using tool LRT-37-015 and LRT-37-021, fit oil seal collar.
26. Clean gear selector selector housing and mating face.
27. Apply sealant, Part No. STC 3254 to gear selector housing face.
28. Position gear selector housing and tighten bolts to 25 Nm (18 lbf.ft).

Pump - gearbox oil

$% 37.12.47

Disassembly

1. Remove gearbox extension. MANUAL GEARBOX - R380, OVERHAUL, Extension - gearbox rear.

2. Remove 3 Torx screws, remove oil pump and discard 'O' ring.

Reassembly

1. Clean oil pump recess in extension housing, ensure screw holes are clean and dry.
2. Lubricate oil pump recess in housing with gearbox oil.
3. Lubricate a new 'O' ring with gearbox oil and fit to oil pump.
4. Locate oil pump in extension housing with word 'TOP' towards top of housing.
5. Align fixing screw holes and tap pump lightly around edges until pump is fully in housing. Do not pull pump into housing by tightening screws.
6. Fit Torx screws and tighten to 6 Nm (4.5 lbf.ft).
7. Fit gearbox extension. MANUAL GEARBOX - R380, OVERHAUL, Extension - gearbox rear.