e34 535 - coolant cap sludge

[tollytuff]

hello all.

just topped up my coolant tank, and noticed a cream coloured sludge on the underside of the filler cap. is this somthing i should be worried about? the head gasket went last august (and was fixed at great expence!) but i havnt noticed the sludge before....

cheers tolly

[632 Regal]

just residual oil that was left in the coolant passages, clean it up periodicly and you should be good to go.

[zuzuk212]

just residual oil

What do you mean? There shouldn't be any oil in the coolant.

Ken

[632 Regal]

from the old gasket and/or when the head was pulled oil can get into the water passages, dont take much more than a few drops.

[Kalevera]

It's hard to get all of the nastiness out, especially if it gets bad.

best, whit

[tollytuff]

phew! thanks guys, dont mind telling you i was a little concerned about that, ive cleaned it all off and wil keep an eye on it anyway.

cheers tolly

http://www.test.serve.co.uk/bm.jpg

[632 Regal]

AJ window repair your biz?