1.8 20vt pressure in to the oil

Niller1994

Active Member
Aug 1, 2016
2
0
Hello.
Today I would pressure test turbo pressure pipe and the entire intercooler system.
I put a dazzle plug in at maf. and put pressure at the inlet, but when I put a little pressure I could hear it began to bubble by engine oil? how can it be?
It is a 1.8 20vt seat ibiza mk4 with k04-001