I have a coachman laser 665 and the bathroom radiator keeps coming loose at the top two screw connections, I can’t seem to tighten it , does it need special tools?
Not sure if the screws you mention are mounting screws or some on the actual radiator itself. However if they are on the rad and keep coming loose after you've tightened them it may well be due vibration whilst travelling or thermal expansion and contraction. If that's the case, try a 'screw lock' type of liquid on the threads. Here is a link on what I mean.
Dave.
------------- Never argue with an idiot, they will drag you down to their level and beat you on experience.
Mark Twain.
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