Rolls-Royce Temp Gauge NOT WORKING and Constant Rattling - Can I fix it?

In this video I look at why the temperature gauge is not working on the Rolls-Royce Silver Spirit and I want to fix the constant rattling coming from the car whilst driving.
I also find other problems.

My biggest challenge yet! Can I FIX a 1988 Rolls Royce Silver Spirit with too many faults to list, there is more wrong with it than right. Will I end up crying into my Connolly leather seats or will this beast live on.
This is the cheapest Rolls Royce in the UK so I wasn't expecting much, hopefully bit by bit with sheer determination and zero skill I will attempt to fix each fault one by one.
Every part will be filmed, and I hope to discover the craftmanship that has gone into this 34 year old moving piece of art.

The Nine Violets music can be heard here https://nineviolets.bandcamp.com/

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If you have an interesting 'non returnable' item for a 'trying to fix' video then my PO box is as follows. Please only use if you are from the UK and using Royal Mail.

My Mate Vince
PO Box 2597
WATFORD
WD18 1HT
UK

Remember that this is just for entertainment and I am not an expert in these repairs. The processes in the video may not be the best way, the correct way or the safest way to fix these things. I do love fault finding and trying to fix broken things, so I hope that comes across in this 'Trying to FIX' series. Many thanks, Vince.