On attempting to adjust both the fan drive belt and the power steering pump drive belt on my Defender 200TDi I find that some bright spark has rounded off the heads of all of the pivot bolts and adjustment bolts on both the alternator and the steering pump- all 10mm. The bolt on the alternator...

Before I even start this has anyone got any tips for getting the swivel pin housing-to-axle bolts (double-hex) out? I’m used to using my breaker bar for getting bolts undone on my Defender but this job is down to a ring spanner since there is no room for a socket, and I just cannot seem to get...