Hi could someone advise please, I’m try to fit new glow plugs to a Bipper van 2015 1.3 HDI, found them at the front of the engine, but can not access the 2 middle glow plugs as the heat shield off the turbo is the way have taken the 2 bolts off the top but it appears to be riveted on the far side towards the back side of the turbo any advise welcome