Dirt In Coolant Header Tank

[VAG]

Hi There I Have A 2001 Passat Tdi 130 And It Seems To Loose Coolant Sometimes Especially After Motorway Runs But Lately There Also Seems To Be Dirt ( Not Oil ) In The Header Tank Any Ideas To What It Could Be There Dosent Seem To Be Any Leaks
Thanks In Advance

[Crasher]

Floating or sediment?

[VAG]

Floating or sediment?
Thanks Crasher For The Quick Reply it's Mainly Sediment Stuck To The Inside Of The Tank

[Crasher]

That is common with G12, G12+ is less prone to this. Fully flush the system and refill 50/50 G12+ and water. You may find it easier to replace the bottle than clean it.