View Full Version : Front diff interchangeable RRS &D3/4 ?
theelms66
22nd July 2019, 07:25 AM
Question. ?  2007 RRS tdv6 ratio 3.54:1 . Are they interchangeable with the D3/4 around that era given ratios are same .chasing one for the sport as the stooge before had different profile tyres on front .now my oil container looks like a snow dome .
goingbush
22nd July 2019, 07:52 AM
Different diameter tyres on the front vs the rear won't harm the front diff, I'd be more worried about your centre diff , or viscous coupling or whatever these things run .
theelms66
22nd July 2019, 09:29 AM
Sorry. Should have explained myself a little clearer  3 same one odd tyre front left .Definitely front diff done all the work .https://uploads.tapatalk-cdn.com/20190722/08152af1d70753755a0078aac210628c.jpg
Graeme
22nd July 2019, 11:22 AM
Part number TAG500140 appears to be the front diff complete for the 2.7 TDV6 D3 & 2.7 RRS and the 3.0 TDV6 D4 so likely also for the 3.0 TDV6 RRS and the 2.7 D4.
Geedublya
22nd July 2019, 11:23 AM
Question. ?  2007 RRS tdv6 ratio 3.54:1 . Are they interchangeable with the D3/4 around that era given ratios are same .chasing one for the sport as the stooge before had different profile tyres on front .now my oil container looks like a snow dome .
They should be interchangeable. Check the part numbers to confirm.
Lrcat (http://new.lrcat.com/#!/12728/48240)
101RRS
22nd July 2019, 11:39 AM
The D3/RRS range have different diffs depending on engine fitted (and gearbox) but but a diff out of a D3 will fit a RRS if the same engine and auto is fitted to both vehicles.  
The front differential is available in three ratios. V8 and V6 petrol   engine vehicles use a front differential with a final drive 
ratio of 3.73:1 and TdV6 diesel engine vehicles use a final drive ratio of 3.07:1 for vehicles with manual transmission, and 
3.54:1 for vehicles with automatic transmission. 
Technical Specs (https://www.aulro.com/afvb/l319-discovery-3-and-4-a/267752-technical-specs.html)
So a 3.54:1 diff will be interchangeable between TDV6 Sports and D3.
Garry
DiscoClax
22nd July 2019, 10:14 PM
I've just fitted a TAG500140 3.54:1 front diff to my L320 (RRS) TDV8. Interchangeable as long as you get the correct ratio, as others have stated. The L319 TDV6s run this same diff.
ontheway
22nd July 2019, 10:45 PM
Sorry. Should have explained myself a little clearer  3 same one odd tyre front left .Definitely front diff done all the work .
Surely this was drift work and it only went around to the left ? ;)
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