Well I've tried to get all of the glow plugs out, 4 and 3 weren't bad, 2 was a bitch ,not a chance with 1, too much stuff in the way. Did a test on 3 and 4 ,4 was 34bar, 3 was 25bar, couldn't get the hose on the glow plug adapter for no.2. I read on another forum that one poster could get them...