Gearbox rattle and limp-home mode

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Originally Posted by clubagreenie

The rattly noise, with ign but not running, is possibly the little fan that samples the air temp. On the RHS on the steering column, you'll see a small grille. this wole width panel (about 2-3inches) pulls out. Clean the fan and take it apart and apply a SMALL amount of grease to the blade bush.

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If it is this, there is a detailed explanation of how to fix somewhere on this site. I did download and file the document (can send if required), but have somehow deleted the original link

Are you sure its not just the climate control fan rattling ..they sometimes do..see what happens when you turn it off. The limp mode issue could be as simple as low battery voltage ..give it a charge or check it. Alternator may be on the way out . test operation with multimeter . You get loads of answers on here ..but most of the time it's the simple solution .

Loss of power issues have resolved themselves, and the Disco is now running fine. Might have been dirty fuel? Replacing the cat converter has helped in terms of power and fuel economy, so things have improved.