Oh nice! Will have to check this out one day.
Dave, my sincerest apologies!
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I travelled from darwin to brisbane and back to darwin at christmas towing a camper trailer and a loaded disco 02 td5 would have had as much wait as you if not more. Had no problems get to 100 and more had it up around 140 passing road trains there has to be something not wright even in the hills on the way back i was not being past should slip in to 4 at around 80 to 85 kms and with that wait on the highway should get 13 to 14 lts per 100 depending on the right foot.
Unload on highway should get between 9 to 9.5 lts per 100 if you sit on between 100 and 120 that what i got traveling from melbourne to darwin in jan 08
good luck:o:o:o:)
Your towing weight should be quite easy for a TD5 auto. I tow horses with our 2001 TD5 - 3 tonnes all-up weght and the auto goes into 4th, with converter lock-up at 80 kph on an open road. However, I use 3rd for general purpose work - lockup at 70 kph this is most usefull for frequent slow stages. Could be worth checking the trans fluid levels, when I bought mine at 98k I did the full service jobs - ALL fluids/oils etc changed and a replacement trans filter kit. The Disco had a full service history from a LR stealership, funny thing was that when I drained the trans, 2.5 litres came out but when I refilled as per the book (with the engine running and making sure the clutch/brake packs are filled) it took 4 litres to hit the Full mark. Hmmm...
Hi, my Td5auto used to "hunt" between 3rd and 4th when towing at around 80 kph.
Having the ECU rechipped has increased the torque ( and power) noticably and now on highways it flys over hills in top gear and holds 4th for much longer on the steep stuff. Now a great tow vehicle!!!
Even on gravel roads where the conditions dictate a slower (eg 80kph )vehicle speed .....which is right on the 3rd kickdown speed of the box..I can often hold 4th with a light throttle setting.
Still, it could be good to reset/lower the original kickdown point on the box to say, 70 -75 kph road speed ..given the extra grunt in 4th.
Cheers
Bob