Leaving the brake fluid change on the C8 till the last minute before setting off on holiday was certain to attract problems but I was determined to do it. Visions of a fully-laden car with bikes on board being pushed down a French hill by 1250kg of caravan while I uselessly pumped the brake pedal haunted me.
So, ably assisted by my Gunson ezibleed, I'd done 3 of the 4 nipples but the offside rear was solid. I've wrung off my fair share of bleed nipples in the past so I thought I'd use the blowlamp. Now I do dimly remember my son telling me he was going camping weeks ago and that the gas cylinder on the blowlamp was the same as on his camping stove but that wouldn't be a problem because I always keep a spare cylinder.
He'd beaten me to it! The half-used cylinder and the spare were gone.
That's when I lathered the nipple in more WD40 and went to get the drill. I thought if I put it on a torque setting that guaranteed some slippage, the vibration might loosen the nipple. It would be just like whacking the spanner with a hammer, but more consistent. Well, it worked. Using ever-increasing torque settings and occasionally setting it to tighten instead of loosen eventually released the nipple.
This is probably a well-known method for some of you but I couldn't find it in a search.
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