Hey folks,
I have just got hold of a 1994 T4 2.5L Petrol to set up for my daughter as a camper van. There's a bunch of stuff to sort out - engine mounts, gear linkage, suspension etc, however the engine - although looking initially really healthy (compression readings were all up around 240psi with only cylinder 1 reading slightly low (230ish) , seems to have a head gasket or head leak.

There's no emulsified oil, however the coolant is changing colour, a lemonade style / effervescent foam in the overflow bottle and a familiar smell of combustion gasses mixed with coolant. I will ask around to see if any local mechanics have a gas analyser to confirm.

I am wondering whether it might be a good first option to try some pour in sealant like Rislone / Blue Devil / Liquid Intelligence / Steel Seal etc as the leak seems very small at the moment and the coolant system is still pretty clean.

We will likely do the head gasket or head in due course, but it would be good to get in on the road for 6-12 months first.

Asking as it is my first time with the T4 - has anyone tried this before and had success? It looks like a relatively complicated cooling / heater circuit - is there anything that can get clogged with this sealant that shouldn't?

Thanks in advance, Darren.