Recent content by tonyk

d0 you mean the water to water heat exchanger as per parts book. this on my 35cdi is located at the front middle

when ch is on noticed prv was releasing water. pressure was high. i fit a new expansion vessel with various charges but no different. ch/hw work ok. when i release the pressure of ch back to 1 bar, put ch on, over a few hours it creeps up. over night the heating was off and pressure went up at...