New answers tagged exhaust
Soaking in WD-40 or equivalent will help, but the real final measure is first a blowtorch - even a cheap and not-very-powerful one will do - followed by impact wrench. Alternatively, you can buy hydraulic tools but they will probably snap the bolt leaving you with one more problem to solve.
I'd consider using a Dremel with an abrasive wheel. Yes, it will spark a bit but you should be able to protect the line with a rag or something. You can easily cut a slow with it.
Vise grips not an option? Crank them down pretty tight, and it should turn.
You have two separate issues here. First, you have what I would think is leaking valve seals. When you slow down, there is a great amount of vacuum build up inside the intake track. With leaking valve seals, this will pull oil past them and down into the intake track. This gets pulled into your engine when you speed back up and causes the blue smoke. ...
The Mini has an unusual set up on its oil filter element. If you look at the filter you will see one end has a rubber sealing on it, whilst the other end does not. When you fit the filter element, the rubber ended end must be on the outside, away from the engine and into the cap you take off to replace the element. If you dont know it, it is easy to think ...
Perhaps because your exhaust pipe is hotter when it runs longer, and is cold enough when not running much to burn the oil. Anyways you could buy a special paste to fill-block the leak.
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