Member Since: 05 Aug 2020
Location: Sutton Coldfield
Posts: 1207
Fly wheel seal?
Hi all, I’ve been tracking down an oil leak on my D3 over the last few weeks. It’s only minor, enough to start a drip on the sump shield bolt after about 3 weeks. I cleaned everything as best as possible a couple of weeks ago and drove as normal, got under yesterday and it looks that it may be seeping from the bottom of the bell housing of the fly wheel (just forward of the sump) guessing there’s a seal there but is there oil in the fly wheel? Thought it was dry?
Not an urgent thing, haven’t seen any appreciable drop in oil level on the dip stick for months, it’s just that if I don’t drop the sump guard and clean once a month it starts to decorate the drive
Any ideas?2008 HSE Stornoway Grey
My Wife thinks the D3 is a hobby, The D3 thinks the wife is 💕
11th May 2021 11:29 pm
PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 4658
There's no oil in the fly wheel Kevin but there is ATF in the attached torque converter. A very different colour to the black engine oil, it should be translucent on your finger, and smell different too.
If it's engine oil, dense black, it could be the rear crank seal although it's not a common failure so perhaps widening your search elsewhere for now might reveal something.
I'd be looking further up the back of the engine to see if there's anything dripping from above.
A common enough culprit is the brake vacuum pump seal!
Or, possibly the oil cooler beneath the oil filter? to see if there is a leak there prod something long into the Vee between the cylinder banks and see if there's any oil sitting there. The crankcase breather/ oil separator might also have sprung a leak itself, or the rubber elbow on the rear metal pipe from the turbo.
I can't think of anything else just now, but I'm sure you have enough to keep your investigation powers sharpened for another bit. yµ (idµ - eAµ) ψ=mψ
12th May 2021 1:59 am
loanrangie
Member Since: 18 Jun 2017
Location: Melbourne
Posts: 600
Rear main seal or if your lucky just the oil cooler as PG said, could also be a cam seal (lh side) or possibly valve cover leaking.
12th May 2021 4:03 am
aja4x4
Member Since: 14 Apr 2019
Location: Westbury
Posts: 2459
Have a look up at the back of the vacuum pump they can leak onto the bell housingAndrew
D3 2.7tdv6 2005
D4 3.0 SDV6 Commercial died and gone to LR heaven
D5 3.0 SDV6 HSE
You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum
