Same again for the tc with the hook shaped breather pipe

Also forgot to add that the starter motor on the d4 has a breather pipe system
 

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Finally rear differential breather is attached to the fuel filler pipe

Hope that’s useful to u
 

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Thats GS, you're a god damned hero, I'll get cracking on these as soon as the steering uj & tracking is done.

Bless u and very kind of u to say

Always a team effort and always nice being able to pass on details etc that I’ve been learnt

Must confess when I had my 4 x wheel alignment done by the hunter system it transformed the way my D3 drove, I was extremely pleased

Hope all goes well and happy it’s useful to u, please feel free to ask if u get stuck in anything
 
Have had a breeze through this thread - interesting. Driving in to water is not something to do without thinking it through and should never be done at speed. 2ft of water should not really be a challenge for a D4, I believe they have a wading depth of 3ft and if you're careful you might go a bit deeper but not sure I would want to unless fully prepped for wading.

The symptoms described, a clicking/clonking when turning is classic CV joint. However, I would also suggest dropping the front diff oil, I believe D3 and D4 have the same front diff on the auto models. The front diffs can wear so I would be looking to make sure the front diff isn't eating itself. It is not difficult to drop the diff oil and replace but remember when filling, you have to put in the specified amount and not until oil dribbles out of the fill hole. I would also say, measure how much oil comes out of the front diff. you'll know if the diff is bad because of the swarf that will come out with the oil. If you're going to drop the diff oil, make sure you can open the fill plug before you remove the drain plug. HTH
 
Wonder what models of the D4 had the wade sensors fitted on the mirrors , think they work up to 6 mph

Indeed wouldn’t like to try going this deep in the 2nd picture 🤣
 

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Have had a breeze through this thread - interesting. Driving in to water is not something to do without thinking it through and should never be done at speed. 2ft of water should not really be a challenge for a D4, I believe they have a wading depth of 3ft and if you're careful you might go a bit deeper but not sure I would want to unless fully prepped for wading.

The symptoms described, a clicking/clonking when turning is classic CV joint. However, I would also suggest dropping the front diff oil, I believe D3 and D4 have the same front diff on the auto models. The front diffs can wear so I would be looking to make sure the front diff isn't eating itself. It is not difficult to drop the diff oil and replace but remember when filling, you have to put in the specified amount and not until oil dribbles out of the fill hole. I would also say, measure how much oil comes out of the front diff. you'll know if the diff is bad because of the swarf that will come out with the oil. If you're going to drop the diff oil, make sure you can open the fill plug before you remove the drain plug. HTH

good avice Kev, cheers will do the front diff oil before the rear and the transfer box oils, see if it makes a diff (pun intended) 😁
 
good avice Kev, cheers will do the front diff oil before the rear and the transfer box oils, see if it makes a diff (pun intended) 😁

kev/guys,

you think this oil is fine for front diff? - owners manual recommends "Castrol SAF-X0" but amazon don't have that for next day delivery? - front diff only needs 0.56 litres according to owners manual so that's cool 👍

Amazon product
 
If you want to use Castrol that's entirely up to you. The bottom line is any synthetic GL-5 75W90 gear oil will be fine so shop around. BTW if you're going to do an oil change on the front diff, you might as well do the rear at the same time.
 

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