After learning the exhaust flexi was broken i got the new part and set about fitting, up on the ramps, tray off, loosed front 3 bolts which were a breeze, then the 2 clamp bolts holding to gearbox, then attacked the 3 bolts on the dpf flanges. I knew these were going to be absolute and utter ball ache and nothing has been more true. I thought the top was going to be hardest down to access but that came out not too bad, but the lower 2 just rounded as i expected. Seeing as i dont have any turbo sockets i couldnt use them and these bolts have welded themselves in so tight i dont think they would budge without sheering. Im guessing these are in such bad condition due to having the most road salt/water abuse. So i thought the only action was to grind off the rounded nuts, drill out the studs and replace with new bolts/nuts with anti shatter washers. But this is where ive hit a massive wall, none of my drill bits will do the job. Ive managed to drill through the core of one with a 4mm drill bit and assumed the best action with steel is to open hole gradually but it seems not. Soon as i go to next step of a 6/7mm drill bit it just kills the bit, i can only assume i dont have the right bits but the ones im using are hs bits which i thought were for hard metal. I have reached that stage where im close to launching a hammer through the windscreen. Can someone offer some words of wisdom before i hang from the ceiling. Any input greatly welcome.
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