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Just fitted a bigger sump to the t-box and as it's a UK car I'll be fitting the gearbox cooler soon, got the thermostatic valve block but need to decide type and location of cooler, might even look at a mini radiator type with fan. My gearbox regularly hits the hi 80's when towing which is why I need to try and bring the temp down.
I had a td5 disco 2 that had a factory oil cooler , but It was an Auto , Not sure about the manuals !!..Quote:
Originally Posted by uninformed
Interesting comments here, and as I am new to the LR scene I'm not familiar with the component model nos etc, so don't know whether someones experience with a manual box in a Disco is relevent to my query, I think not.
Our car is a MY 2009 110, and I am certainly aware that it will tow our camper on highway in 6th gear, however I am concerned that as this is an overdrive gear then there will be excessive heat build up in the transmission due to the overdrive gear and the extra load that must add. Engine speed and performance is only part of the discussion, driveline gearing, and other external factors should also be considered.
To help my understanding can anyone advise what the gear ratios are for 4th, 5th and 6th, this will help me in my gear selection at various times.
I also increase oil change frequency to accomodate towing and the hard work we subject the car to in our travels etc etc.
Thanks to the OP for asking the original question and all who have commented.
Rgds,
Rob
Hey Rob,
If your using light throttle to achieve 6th gear then go for it.
My SVX (2008) has done lots of towing. From Coromal (2ton) off road Pioneer and the latest a UEV440(1.3ton).
It pulls 6th gear most of the time, but once the revs fall below 2000 without pinning it to the floor, I knock it back a gear and follow the same rule.
Cheers
What is required is evidence of a failure caused by high temps due to excessive load from towing.
It sounds like people are trying to solve a problem that might not exist? How much heat is 'excessive'? Excessive for who?
Yes the heat might cause driver/passenger discomfort, but is the car complaining?
Personally, I think a lot of people 'pussyfoot' around defender drivelines, thinking they are a weak link after reading and talking to people who think they know better. Truth is they are a bloody tough piece of kit, I've busted 3 land cruiser 78 diffs, yet to have any issues with the defenders I run... They have their issues, but on the whole they are pretty robust.Quote:
Originally Posted by Samblers
Meh, Cruiser front diffs are made of cheese :DQuote:
Originally Posted by Summiitt
Agree they're not as soft as the Internet suggests- i trust mine under hard use. But having said that, they're not bullet proof either - I trashed my front diff and had a t/case replaced in my 09.
through towing?
This thread has come at the right time as I'll be doing a bit of towing in the not too distant future. It's given me something to think about :BigThumb:
Bound to snap an axle or cv though :D
As per the original post I can relate to your issues as I travel the New England a few times a week and find the floor does get very hot and sometimes to the stage that the handbrake is untouchable due to the heat...as for towing I do not trust 6th under high loads I did notice that towing the same weight compared to that weight on the tray I loose at least 1 gear and 30km/h over the range...I have a mate that lives out west and travels back to vic a few times a week during harvest towing a comb trailer weighing between 5-7T here and there with his chipped td5 130 it has just over 500k on the clock and on its 5th transfer but original r380 with no problems except the head getting replaced recently..