Looks like oil on the spark plugs :O

Looks like oil on the spark plugs :O

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Discussion

superbones

Original Poster:

1 posts

79 months

Tuesday 1st August 2017
quotequote all
Hey guys, I had a feeling to check my spark plugs earlier to see if they were ok, and it looks like there's a bit of oil on them :/ Does this look normal? Or is it a leaking gasket of some kind? (the car is a 2003 MK4 Golf 1.6 16v)

thanks smile



GreenV8S

30,150 posts

283 months

Tuesday 1st August 2017
quotequote all
superbones said:
Hey guys, I had a feeling to check my spark plugs earlier
Next time you get that feeling, ignore it. Those plugs are fine, and taking plugs out just out of curiosity is asking for trouble.

cuprabob

14,421 posts

213 months

Tuesday 1st August 2017
quotequote all
I'm of the view if you're going to.the bother of removing plugs to check them you are as well just putting new ones in.

As said above, those plugs look relatively new and display nothing to be concerned about.

Sardonicus

18,928 posts

220 months

Wednesday 2nd August 2017
quotequote all
Do yourself a favour and change your plug brand to NGK, as mentioned you have no issues apart from Bosch plugs rolleyes

SuperchargedVR6

3,138 posts

219 months

Friday 4th August 2017
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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.


t400ble

1,804 posts

120 months

Friday 4th August 2017
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looks almost like some kind of copper slip etc on the thread

Just put them back

Sardonicus

18,928 posts

220 months

Friday 4th August 2017
quotequote all
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 wink and I speak from a very long period of being in the motor trade scratchchin

aka_kerrly

12,416 posts

209 months

Friday 4th August 2017
quotequote all
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.