Looks like oil on the spark plugs :O
Discussion
SuperchargedVR6 said:
Nothing wrong with Bosch as a plug maker. The only issue is people using the wrong plug for their application, the brand is irrelevant.
101905601 is VW p/n for the correct Bosch spark plug.
I beg to differ on that one and I speak from a very long period of being in the motor trade 101905601 is VW p/n for the correct Bosch spark plug.
It is WISE to put a bit of oil/copper grease onto the spark plug threads before installing as a seized in spark plug is a head off nightmare.
It's when the tips of the plugs and the very top above the threaded section are covered in oil that you start to wonder if you have knackered valve stems/piston rings or if the internal rocker gasket has gone which allows oil to run down the insides of the spark plug chamber. You will also find the HT leads have a coating of oil to if the upper gasket has failed.
It's when the tips of the plugs and the very top above the threaded section are covered in oil that you start to wonder if you have knackered valve stems/piston rings or if the internal rocker gasket has gone which allows oil to run down the insides of the spark plug chamber. You will also find the HT leads have a coating of oil to if the upper gasket has failed.
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