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[andy72]

Probably answering my own question but I have very very slight traces of Mayo on the filler cap around the screw thread. Or a line an inch long and 1mm wide. Header tankbis nice and pink water and zero on the dipstick.

I'm thinking it's just a bit of condesation with it being cold and filler neck proud of engine rather than being on the cam covers etc

Am I right?

[hotel21]

As you anticipate, you have answered your own question.  The filler cap sits higher, away from the relative heat of the cam cover, and in airflow thus condensing the minute water particles in the oil into mayo.  It is not helped with shortish journeys either.

If water header tank and dip stick is sound (as it appears to be) then wipe the cap clean and if its approaching oil and filter change, give it one (ooo err missus!). 

 

[jb]

solution is to remove the filler neck snd screw the cap direct into the rocker cover aka vectra

[Rockhampton]

solution is to remove the filler neck snd screw the cap direct into the rocker cover aka vectra

Worked for me - solves the issue completely 

[tunnie]

stick some fresh GM 10/40 in there and give it a damn good spanking up the motorway will soon clear it. I 'have' to do that every time i drive mother tunnies 3.0 as she drives it like miss Daisey   

[Darth Loo-knee]

stick some fresh GM 10/40 in there and give it a damn good spanking up the motorway will soon clear it. I 'have' to do that every time i drive mother tunnies 3.0 as she drives it like miss Daisey   

Oh Tunnie you are a Rebel

[andy72]

Thanks guys. My mind is at rest. Don't you just hate working through a new purchases "faults"