Working on your car helps strengthen the relationship between driver and machine, or so we think. Owners have ideas that it will be all plain sailing, just like on films and the expansive library of YouTube videos. But we all know that is never the case. Shearing bolts, tearing skin and spilling blood - even damaging panels - are normally what happens.
The thread is four pages deep and some of the stories will leave you stunned - boiling coolant to the face while changing a temperature sensor, an exploding battery with acid to the eyes and plastic wedged in the arm, plus a PH staff member giving himself a black eye when building his Caterham. What calamities have you caused?
Tell us your worst stories here.