audisean89
Member
Im not sure if the a2 tdi runs a tandem pump
runaway engine It basically runs on its own engine oil, normally because there diesel leaking into the sump filling it up and it gets to a point it will just take off on its own, very scary I might add, this in turn lead to the car pumping out loads of white some and stunk of fuel, so if it was my car id be looking at getting a leak of test and taking it from there as it will just do another run off and next time you might not be so lucky and end up with a blown engine
The month after i got it, a mate of mine who also has an A2 did it. Cant recall exactly when, but he did a general service, oil, filters, coolant flush
So in 2018 then. Cars don't run forever without proper regular servicing, preferably from a professional.
a mobile mechanic may have a leak of kit ud have to ask them that or aaGather thats a garage only job, not for a mobile mechanic to do?
Ive done less than 4K in it
I agree I'm very much of the opinion every 6k or once a year what ever comes firstSo in 2018 then. Cars don't run forever without proper regular servicing, preferably from a professional.
also stamps in the service book and receipts when buying a carI agree I'm very much of the opinion every 6k or once a year what ever comes first
But it still needs servicing.
what he said ?, iv never had it explained like that before what a legendIf the oil level is exceeded, either with excessive oil or fuel, there is a risk that the big end caps on the con rods will dip. Once this occurs, the oil will be splashed up the bores, and the oil control rings will be unable to cope. This gives the engine fuel to burn but as its an uncontrollable amount, causes a "run away", not a good situation. As fuelling at this stage becomes excessive, so smoke is emitted, being unburnt oil and possibly fuel. Similarly the closed breathing system is unable to seperate oil from the heavily laden crankcase fumes, adding to the uncontrolled fuelling via the intake system.
Dipping also imposes additional load on the engine, so overheating becomes another risk.
Better to run oil levels slightly below the full mark, rather than over.
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If the oil level is exceeded, either with excessive oil or fuel, there is a risk that the big end caps on the con rods will dip. Once this occurs, the oil will be splashed up the bores, and the oil control rings will be unable to cope. This gives the engine fuel to burn but as its an uncontrollable amount, causes a "run away", not a good situation. As fuelling at this stage becomes excessive, so smoke is emitted, being unburnt oil and possibly fuel. Similarly the closed breathing system is unable to seperate oil from the heavily laden crankcase fumes, adding to the uncontrolled fuelling via the intake system.
Dipping also imposes additional load on the engine, so overheating becomes another risk.
Better to run oil levels slightly below the full mark, rather than over.
Sent from my SM-N960F using Tapatalk
Agreed, but i do 6K, im religious on my van, same with my cars, i only got the A2, as my van was in for new clutch, just needed a run about, but, i fell in love with it.
'and its quite noisy'
Hello, did I miss this? Do you mean it's got nosier? Or just in general? If the latter: I wouldn't worry too much. I've just gone from a lovely quiet 1.4 petrol (well, it did have a knock but bare with me ) to TDI75. I find the TDI unbelievably noisy when cold esp at idle. As in, 'I can't believe they're meant to be like that' noisy.
Now, if it sounds different from before, that's another matter. Even so, the above still surely applies: you have little to lose because in your mind the car is now a non-runner with an expired MOT. BUT: it all hinges on trying it. If you try it and it surges, or even runs away, you still have a non-runner mot failure. BUT, if it gradually gets better and better with the above, that might get you past both the engine issues and the MOT.
Stick with it: you've spent a lot of money and done a lot of work. I'd hate for you to eBay it for a few pounds and then a trader later have it up at £1500 ('lots recently spent') because he's strapped on his trade plates (which legally have to cover the car's plates, therefore invitation to drive with no MOT) thrashed it around for a few days and got a new ticket on it.
Lots of Doom and Gloom, and Worst Case Scenarios here.
You only have one practical option to find out what is going on, and that's to drive it. Follow the advice from @spike, book an MOT, see how it goes, if it clears, have the MoT, if it doesn't, record the symptoms carefully, cancel the MoT, and report back.
Mac.
My point with the private testing is that i) You don't want to either draw attention to yourself by being spotted billowing out smoke (esp at the moment), ii) You want to be within a controlled environment as you don't know what it's going to do and there's nothing worse than other people being behind you if you have a problem, and iii) It's more likely than not to take more than the odd mile to clear, although I'd be delighted for you if it did.
Have you not got someone with a trailer / beaver-back etc? If you keep it off public highway everything becomes so much more controlled. After all if you're stopped on the road and it's billowing out smoke there's a (tiny) chance you'll get it impounded.
Just got to find a mechanic to do a compression test.