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Home >> Land Rover >> 2000 >> Range Rover (LP) V8-4.6L >> Repair and Diagnosis >> Transmission and Drivetrain >> Transfer Case >> Service and Repair >> Procedures >> Transfer Gearbox Overhaul >> Interlock Spool Replacement
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Interlock Spool Replacement

REMOVAL
1. Remove viscous coupling assembly.





2. Remove 17 bolts securing halves of transfer box casing.
3. Carefully break RTV seal and remove front transfer box casing from rear casing.
4. Remove selector fork assembly, interlock spool shaft and reduction hub from rear casing. Collect tube spacer.
5. Collect interlock spool.

INSTALLATION
1. Clean RTV sealant from front and rear casing mating surfaces.

CAUTION: Do not use a metal scraper as this may damage sealing surfaces.

2. Install tube spacer to interlock spool shaft.
3. Engage selector fork cam follower to interlock spool cam track.
4. Install reduction hub to intermediate shaft and engage interlock spool shaft and shift rail to holes in rear casing.
5. Rotate interlock spool shaft to position reduction hub and selector fork to low ratio position, nearest rear casing half. Ensure tube spacer is in position and selector fork cam follower is correctly engaged in interlock spool.
6. If removed, install 2 dowels into front casing.
7. Apply a continuous 2 mm bead of RTV sealant to rear casing mating face. Path to be around inside of bolt holes.
8. Install front casing to rear casing, ensure bolt holes and dowels are aligned before disturbing RTV sealant.
9. Install bolts securing front casing to rear casing and progressively tighten to 35 Nm (26 ft. lbs.).
10. Check freedom of rotation of input shaft and that rear output shaft rotates.
11. Install viscous coupling assembly.
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