Silly question, Are brake disc backing plates really necessary?
And does anyone know what purpose they actually serve?
The ones on my new T4 are rusted so badly that they are almost non existent anyway, and volvo want £35 each!!
Don't really want to spent £150 if they won't make any real difference?
Thanks.
(For reference I'm talking about the ones like part number 14 in the image below)
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