Member Since: 13 Aug 2018
Location: Roxwell
Posts: 37
Front Diff Leak
A bit of history I purchased the car in Aug '18 from an advery on here, lovel car FSH and loads of paper work from main dealers for the work.
One of the things they had replaced was the front diff, this was done in Oct '17 @ ~80K miles.
Around 6 months ago I was under the car fixing a leaking gearbox, and noticed that the front diff was leaking, then noticed that the drain plug was about to drop out as it hadn't been tightened!! So fixed all that and cleaned it up, fast forward to today and I'm under the car fixing an intercooler hose split and notice
Only looking closer it looks like its leaking from where the driveshaft enters the diff.
Any idea if this is an easy seal to replace, or is it a diff out job?
Thanks,
Mike
25th May 2019 11:35 am
eightfoot
Member Since: 12 Apr 2015
Location: sunny essex
Posts: 762
check the breather its located next to the g/box cooler pipes on the top of the right side rad looking in the engine bay,if its got a straight vent on it cut it off and listen for the vac escape then you can either buy the modified (90*) pipe and fit or as I did was put some rubber pipe over the plastic pipe and tuck it away so it gets no dirt/water into the pipe
ps mine was leaking the same but not as bad did the vent 4yrs ago been fine since
pps as your going to need to top the oil up its worth blowing down the cut pipe with the level plug out to check the breathers not blocked please excuse any grammer/punctuation mistakes,i'm thick,thankyou
current vehicles 2005 d3 2013 d4
25th May 2019 12:46 pm
Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1783
Someone on here did a picture series of replacing the seal without taking diff out and from the instructions - not hard to do
26th May 2019 9:08 am
syngress
Member Since: 13 Aug 2018
Location: Roxwell
Posts: 37
Forgot to mention I changed the vent when I first noticed the leak ~6 months ago, although I didnt check to see if it was blocked, so will look into that.
Thanks all
28th May 2019 9:22 am
Marmoset
Member Since: 28 May 2007
Location: Cheshire
Posts: 281
It’s a very easy fix with the diff in situ. Just remove driveshaft nut, unbolt hub, slide driveshaft out, remove old seal and tap new one in. Most difficult part was releasing driveshaft out of diff, I had to use a drift eventually as getting a pry bar on it wasn’t easy for the offside one I did.2011 D4 SDV6 HSE
2008 D3 TDV6 HSE
2005 D3 V8 SE - left in Oz..
1st Jun 2019 8:08 pm
discoverybrazil
Member Since: 07 Aug 2018
Location: sao paulo
Posts: 102
Re: Front Diff Leak
syngress wrote:
A bit of history I purchased the car in Aug '18 from an advery on here, lovel car FSH and loads of paper work from main dealers for the work.
One of the things they had replaced was the front diff, this was done in Oct '17 @ ~80K miles.
Around 6 months ago I was under the car fixing a leaking gearbox, and noticed that the front diff was leaking, then noticed that the drain plug was about to drop out as it hadn't been tightened!! So fixed all that and cleaned it up, fast forward to today and I'm under the car fixing an intercooler hose split and notice
Only looking closer it looks like its leaking from where the driveshaft enters the diff.
hi changed the sels or cut filter tube breather?
Any idea if this is an easy seal to replace, or is it a diff out job?
Thanks,
Mike
LR3 ON ROAD ONLY
26th Mar 2023 10:21 pm
discoverybrazil
Member Since: 07 Aug 2018
Location: sao paulo
Posts: 102
front diff leak right side ,( little oil)
please everybody my car have a little leak diff oil on right side i did change oil two times have no noise, i i discovered this case of breather tube and did cut it! its was completely clogged! i did instal new style lR019450 did clean area then ill be road this week, my question if possible that leak stop or all cases make damage on seals? please if someone did done it let me know
thanks!!
regards!
Ribeiro Jr. from BrazillLR3 ON ROAD ONLY
26th Mar 2023 10:32 pm
Sidestick
Member Since: 22 Apr 2012
Location: Rome
Posts: 2288
After breather change with the 90* type the leak usually stops due to pressure equalizing inside the diff during warm-up and cool-down cycles - Easy-Lift suspension module 4.0
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27th Mar 2023 10:12 pm
discoverybrazil
Member Since: 07 Aug 2018
Location: sao paulo
Posts: 102
Thank you for reply!! I think so!!!LR3 ON ROAD ONLY
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