Cavalier, Calibra, Vectra, Signum, Sintra & Insign
New member so I hope someone can help. 2011 Insignia Diesel 2.0. 92K on the clock.
Basically I'm a keen amateur with about 20-years of home maintenance experience.
So, the EGR cooler jacket had a leak, changed it BUT got a bit cocky and didn't mark up to vacuum pipes etc, just...