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[Doctor Gollum]

Four pot dti is manual only

[Jayray]

I give up. 

Please don't give up

[Andy H]

Four pot dti is manual only

Agreed 
But all the other engines could be had with auto or manual and it worries me if pieces appear to be missing from a puzzle

[Jayray]

Ok on the gear ratio chart which Kevin Wood  sent me it states that the final drive ratio is 3.45
On the chart that I have put a link to up the page it says 3.7 .. ratio which I think is differential ratio put please look at my link to make sure on this.
My car is a 2000 year which was produced from 1997 to 2000 and is a 2.0 DTI  101 hp and 74 kw manual

I think I understand that the final drive ratio is  gearbox shaft differential  ect all added up and some subtracted to give you the final drive ratio which is were the 3.45 comes from ( I think) so does that mean that the differential is a 3.45 or is it a 3.7 .. the only reason I'm trying to make sure is that I'm doing this job my self and I have never done anything like this before , apart from oil change ect and ones I tuck my inlet manifold of my transit and cleaned it but that's it ,  so I am sorry about double checking everything but I don't want to mess it up .

[Andy H]

Final drive ratio or differential ratio are the same.

You calculate the ratio by dividing the number of teeth on the crown wheel (37) by the number of teeth on the pinion (10).

37/10 = 1:3,7000 - (the input shaft turns 3.7 turns for 1 turn of the rear wheels)

Fit a 3.7 differential and you will be fine

[Jayray]

Final drive ratio or differential ratio are the same.

You calculate the ratio by dividing the number of teeth on the crown wheel (37) by the number of teeth on the pinion (10).

37/10 = 1:3,7000 - (the input shaft turns 3.7 turns for 1 turn of the rear wheels)

Fit a 3.7 differential and you will be fine

Thanks will look now on internet sites around he to see I I can get one , if not will go out around the scrap yards and try and find on thanks alot