Dave@TM-developments.com
Trader
This should help LOTS of people, one of the most common problems is wrongly connecting these pipes resulting in water being sucked into the engine. Many have done this including qualified mechanics!
The 2 gold pipes, 1 &2 are Vacuum
3 & 4 are WATER

The 2 gold pipes, 1 &2 are Vacuum
3 & 4 are WATER