Freelander - Vibration At 4000 rev/min.
Bulletin Number - 0019
Issue - 1
Date - 24.04.2002
Model - Freelander
Affected Range - All ‘K’ Series 1.8 derivatives
Re-Issue Information -
Problem -
VIBRATION AT APPROXIMATELY 4000 rev/min.
Cause
Fractured / damaged intermediate reduction drive (IRD) support mounting bracket, (see illustrations 1 and 2). Deterioration of the damper assembly can occur due to a fractured / damaged IRD bracket.
Illustration shows an IRD bracket with a hair line fracture illustration shows a broken IRD bracket
Action
Where a complaint of the above is confirmed, follow the procedure below to inspect the IRD bracket and the damper assembly. If a fracture / damage is evident on the IRD bracket, replace the IRD bracket and the damper assembly.
1. Remove underbelly panel.
2. Remove the RH front road wheel.
3. Remove the bolt securing the engine lower steady to the beam.
4. Remove the bolt securing the engine lower steady to the bracket on the sump.
5. Remove the engine lower steady.
6. Remove 3 bolts securing the engine lower steady bracket to the sump and remove the bracket.
7. Remove the upper bolt securing the IRD support bracket to the cylinder block, (see illustration 3).
Driveshaft removed for illustration purposes only
8. Remove 5 bolts securing the support bracket to the IRD, (see illustration 3).
9. Remove 3 bolts securing the IRD support bracket to the sump and remove the bracket, (see illustration 3).
10. Clean and inspect the IRD bracket, replace the IRD bracket if a fracture / damage is evident.
11. Remove 3 nuts securing the IRD mass damper assembly and remove the mass damper, (see illustration 4).
Propeller shaft removed for illustration purposes only
12. Clean and inspect the mass damper assembly, replace the mass damper assembly if the IRD bracket is fractured / damaged, or deterioration is evident on the mass damper assembly.
13. Fit and secure the mass damper to the IRD pinion flange, and tighten the nuts to 25 Nm (18 lbf.ft).
14. Fit the IRD support bracket and tighten all the bolts only to sufficiently pull the mating faces together.
15. Complete the tightening of the bolts, securing the IRD support bracket in the following sequence:
- Tighten 5 bolts securing the IRD support bracket to the IRD, and tighten to 50 Nm (37lbf.ft).
- Tighten the bolt securing the IRD support bracket to the cylinder block to 45 Nm (33lbf.ft).
- Tighten 3 bolts securing the IRD support bracket to the sump to 45 Nm (33 lbf.ft).
16. Position the engine lower steady bracket to the sump, fit the bolts and tighten to 100 Nm (74 lbf.ft).
17. Fit the engine lower steady, fit and tighten the bolts to 80 Nm (59 lbf.ft).
18. Fit the underbelly panel.
19. Fit the road wheel, and tighten the wheel nuts to 115 Nm (85 lbf.ft).
Parts Information
TAU100190 - IRD mounting bracket
TVJ100010 - Damper assembly
Warranty
Use Complaint Code: 3L1D
Use S.R.O.: 41.27.50
Time allowance: 0.80 Hrs
