td5 mainshaft change

[fireblade7]

how easy/hard is it to change the mainshaft in a td5 380 gearbox

for a 300 tdi mainshaft

mike

[Tanuki]

Physically, it's possible: the big problem is that gears wear and with time become 'hobbed' to match the other gears they're meshing with - so if you throw together a random bunch of gears/shafts that have previously never played together it's hard-to-impossible to work out the necessary clearances or predict what's likely to happen in future.

Guesswork and luck might get you a combination of gears/shafts that at first assembly might work together silently - but over the next 10,000 miles the high- and low-points of the gears can wear down and leave you with a horrid noisy-and-rattly box-of-swarf.

The labour-cost and vehicle-off-road downtime-cost of a gearbox swap far exceeds the cost of the gearbox itself.

[fireblade7]

Physically, it's possible: the big problem is that gears wear and with time become 'hobbed' to match the other gears they're meshing with - so if you throw together a random bunch of gears/shafts that have previously never played together it's hard-to-impossible to work out the necessary clearances or predict what's likely to happen in future.

Guesswork and luck might get you a combination of gears/shafts that at first assembly might work together silently - but over the next 10,000 miles the high- and low-points of the gears can wear down and leave you with a horrid noisy-and-rattly box-of-swarf.

The labour-cost and vehicle-off-road downtime-cost of a gearbox swap far exceeds the cost of the gearbox itself.

cheers tunuki#

#

thats what i wanted to here so now the best plan is to sell the td5 defender box and transfere and get my self a

300 tdi r 380

great pity AS THE TD5 BOX HAS ONLY 60000 MILES ON IT

regards

mike