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Where is this oil coming from?

JamesBall

Member
A complete newbie, idiot question but poking about under my car today I spotted what seems to be a minor oil leak. Minor in that it isn't actually dripping or if so not very much. I assume this is coming from the gearbox. Anything to worry about?




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Looks like in that lot is the fuel feed, fuel return, brake line and handbrake. Not sure though as I've only been under an 83 car which has different routing for such things.

Have you wiped your finger on it and given it a sniff? Could help you confirm that it's oil.

Only thing I can think of to leak back there are fuel, brake fluid or gearbox oil. Doesn't the turbo have a cooler on the gearbox? Perhaps it's leaking from that.
 
That is either petrol or brake fluid so I would get it fixed ASAP. You don't want petrol spraying on the exhaust or the brake pipe to burst. The pipes corrode under the clamp and rust through. I had to change the main pipe on my S2 under the wheel arch liner last weekend. Hadn't been leaking until I disturbed it putting it all back together after a pump and belts,
Alasdair

 
Oli, it was when I nipped up the 2 fuel pipes that go over the top of the engine. Started the engine and could smell the fuel. Barely disturbed them but obviously was ready to go. The S2 that I am breaking at the mo had a nice new set of OEM fuel pipes on it which came in very handy!
Alasdair


 
Thanks chaps. The brake fluid reservoir is all but full so I don't think it is brake fluid. I haven't given it a wipe and a sniff but I will.

A separate and unrelated question - my car runs lumpily on part throttle around 2000 rpm, almost as if were on out of tune carbs. Any obvious culprits?

I have the car booked in with a specialist to have this and a couple of other concerns looked at in 10 days or so. It also needs 4 new Tyres and aligment done plus inertia seat belts fitted in the back so it is set to cost me a few quid in the next couple of weeks.
 
I am still toying with the idea! Not least because all 4 tyres are going to need changing soon anyway so that is one less thing to worry about on a track day (apart from perhaps running out of tread before the drive home!)
 
Can't think of a better way to see them off :)

TBH, I wouldn't expect you to wear too much off the tread in a couple of hours. New tyres wear much faster on track as the tread blocks move more & overheat. Silverstone isn't abrasive like concrete airfield surfaces are. ou may well scrub the outer edges of the fronts, but that shouldn't make the tyre illegal to drive on as it's not a large % of the tread.

Anyway, back on topic....


 
plus inertia seat belts fitted in the back

I didn't think these were (legally) necessary? Mine certainly doesn't have them... That said, anyone who rides in the back of mine is large enough to be tucked in pretty neatly & securely behind the front seats anyway!
 
ORIGINAL: Sandspider

plus inertia seat belts fitted in the back

I didn't think these were (legally) necessary? Mine certainly doesn't have them... That said, anyone who rides in the back of mine is large enough to be tucked in pretty neatly & securely behind the front seats anyway!

I need them for my 2 children. Good point about the front seats though!
 
The wipe and sniff test suggests it is a fuel leak. Does that mean I shouldn't drive the car at all? Even to drive it to the garage? The leak is very slight - no drips on the garage floor.
 
The wipe and sniff test suggests it is a fuel leak. Does that mean I shouldn't drive the car at all? Even to drive it to the garage? The leak is very slight - no drips on the garage floor.
 
The wipe and sniff test suggests it is a fuel leak. Does that mean I shouldn't drive the car at all? Even to drive it to the garage? The leak is very slight - no drips on the garage floor.

I drove mine, albeit only a mile or so to the local garage. They replaced the corroded bit with a flexible pipe, still going strong and no problems since. Some people would prefer to go all original, but it's costly.

Obviously I don't want you to disappear in a fireball. But, you've been driving it with the leak so far so I'd just get on with fixing it ASAP.
 
I hope it isn't the AFM as it had a new one fitted only a few months ago but if it is I will be in touch. Thanks.
 
James ,

Promax wrote it accross the receipt that I showed you re the new AFM fitting
re the weep at the fuel line join and I understand Andrew also told you on the phone when you enquired re the condition of my car that it was the only thing to be done he knew of ? so it should be no suprise if its the fuel line.

You are right it isnt even a drip and yes I bought the car like it and drove it ever since without bursting in to flames. It was MOT'd the day before I got it like it as well ( wrongly I suspect now) It is most definately the first job I would do that has not yet been done.

The AFM will not be at fault ! , youre right Promax replaced it.

Regards Mas
 

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