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Jun 25, 2021 14:25:20 GMT
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Came from under the engine bay when MK2 fiesta was parked up for a few days.
Assumed water but never dried up. Checked and it seemed clear. No scent and no obvious source. Didn’t seem greasy either.
Tried cleaning but has left a stain. Can’t seem to shift the stain at the moment.
Came from n/s directly under the engine. No signs of recurrence yet.
Have cleaned everything with tray/paper left under to see if any more comes out.
Have checked all fluids and nothing out of the ordinary. No power steering.
I assumed brake fluid but master cylinder, brake lines and fluid all seem fine.
The only other thing I can think is that I have just started parking it in a new place and we had a fair bit of rain. I am wondering if it’s on a different gradient and it’s somehow washed out some old fluid from somewhere.
Not convinced though.
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Jun 25, 2021 14:26:39 GMT
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Jun 25, 2021 14:27:36 GMT
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Circled is the stain after a scrub with soapy water.
This will likely not dry out unlike the water behind it.
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Last Edit: Jun 25, 2021 14:28:19 GMT by k11ngsley
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Jun 25, 2021 15:16:10 GMT
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Colour would be a good indication as to what it was.
There won't be much in the engine bay as you've said. Engine Oil, Gearbox Oil, Coolant, Brake Fluid, Fuel.
How does it interact with water?
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Good suggestion. Hadn’t thought about that.
Displaced water and did have a slight sheen to it. I’m thinking this was a greasy deposit from parking on a slope for the last few years.
After a lot of cleaning and some more cleaning both the engine bay, under the engine and all exposed metals are clear of deposits. Something I’ve been meaning to do for a while now.
So far no signs of a leak. A few more runs should confirm.
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Aug 22, 2021 11:59:57 GMT
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Now that the overheating issue has been resolved with a new rad fan switch sensor. The cooling system has been fully reconditioned and we’re now operating at sensible temperatures, fan kicks in at about halfway and no more drama. Happy days. So back to this leak - which was never from the cooling system made clear by the fact that the fluid never dried up. I thought maybe it was just gunk from the bottom of the engine bay where it’s old and full of deposits. Gone under again today to clean again and think I may have found the culprit. Is that a weep from drive shaft boot? Now I know nothing about drive shafts or boots or what to do about this. Never worked on them so help would be great! The first photo shows the residue, this was facing down to the ground and had a clear drip forming. The second photo was facing up towards the bonnet. I rotated the drive shaft to get a clear photo of each position and inspect whether there was residue all the way round.   |
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Last Edit: Aug 22, 2021 12:02:10 GMT by k11ngsley
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Aug 22, 2021 12:29:57 GMT
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Drive shaft flange seal on the diff. Don't know fords but I'm just about to do the D/S flange and seal on my Rocco which had identical weeping and leakage.
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Needs a bigger hammer mate.......
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Aug 22, 2021 20:09:45 GMT
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duggers would be great to see how you get on and what’s involved with this. Not knowing anything about this what are the dangers with it leaking at the moment? How can I check the diff fluid if this is what I am losing and how can I top this up. What do I need to top it up with and is this a home mechanic job (are there any special tools needed for this sort of work)
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Aug 22, 2021 20:40:21 GMT
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The fluid will be the gearbox oil. probably Ep80/90 or similar.
Like I say don't know Fords but there will be a drain plug and separate fill plug on the gearbox.
It looks like the drive shaft is held in with a circlip at the gearbox so once removed form the wheel hub it would pull out ( not as simple as that i'm sure).
Do you have a haynes or other repair manual as that would give you an idea of what's involved ,or maybe put up another tech question and ask about driveshaft removal for your car. Seal replacement is as simple as remove replace once the drive shaft is out.
I'd suggest if you are not sure perhaps talking to a local garage (not main dealer) or mobile mechanic as it will be a very simple job for them with the tools. Parts should be a new seal, gearbox oil and maybe a new hub nut/bolt
VW is quite different as the drive shaft is connected to the output flange by six bi-hex bolts so you don't have to drop the drive shaft.
Sorry I can't be more help.
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Needs a bigger hammer mate.......
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Thanks duggers, I think I will start up a thread, I don't have a haynes manual but will do some research. I have watched a few videos for modern fords and this looks simple enough...they were using a few tools I do not have but £100 on getting a mobile mechanic to do it or £100 getting the tools, doing the job myself and learning something new in the process sounds good. So long as it can be a driveway job then I will give it a good go! |
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From memory you split the lower suspension ball joint then pop the driveshaft out, you will need a ball joint splitter and they can be difficult to get out of the transmission (lever the back of the joint against the trans housing).
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cheers kevins - I will start up a dedicated thread for this  |
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