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1.222 Gear Set

£275.00

Product Information

This is a very popular gear set, especially for those with a TD5 90/110 or Tdi which revs excessively on the motorway. This gear set will enable you to raise your transfer case gearing by 15%, by replacing the gears in the exising 1.410 ratio transfer box with new 1.222 gears, as used in the Disco. This will not only reduce your revs but also reduce noise. This change will not effect Low Range and will leave your Speedo reading true.

This kit offers a simple and effective change to your vehicle and there is nothing to go wrong.

You may find it useful to use our 'ratio calculator'

Fitting Service

We can offer a same day fitting service (at a garage local to us near Luton), including free use of a courtesy car and VAT £720

SHIPPING COSTS

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Product Code: 1.2 GR SET

Installation Information » (Click to Expand Collapse)

1) you should have these parts :

 

2) remove sump,

3) remove hi/lo housing

4) remove the 8 bolts holding the front housing on,

5) remove 30mm intermediate pin nut

6) remove pin

7) remove front housing,

8) remove detent screw

9) remove spring and ball,

10) remove diff assembly,

11) remove large nut,

12) press off top bearing,

13) refit low gear and the inner selector hub, note the outer groove goes to the low gear side,

14) before you fit the outer selector hub and new gear pls check the selector collar drops on the gear, sometimes the sharp edges will stp it dropping over the dog teeth like this :

 

15) if it doesn't drop on just knock it on with a mallet and then it should fit OK,

 

16) press the gear, top hat and bearing back on,

17) refit nut,

18) when the nut is tight, check the gear spins freely,

19) peen the nut,

20) fit fork to diff

 

21) knock old bearings out and press into new gear,

22) Clean all faces,

23) refit diff,

24) apply sealant,

25) refit housing,

26) check it spins freely,

27) put sealant on pin head,

28) and hole in casing,

29) and other hole,

30) put gear in with bearings, use rope and rule,

31) lower gear in with the new collapsible spacer between the bearings,

32) push in pin,

33) tighten intermediate nut,

34) you will need to tighten the nut until the spacer collapses, you can feel this as the drag will increase which you will feel if you keep spinning it as you tighten the nut,

35) you should see about 1 thread,

36) apply some oil and check it spins OK,

37) peen the nut,

38) apply sealant,

39) refit sump,

40) apply sealant,

41) refit hi/lo housing,

42) refit ball, spring and plug,

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