Radio cleaning and pre-emptive cap. repair?

These are the caps I bought.
470 microFarad 2000 hr, 105 C to -55 C,

https://www.mouser.com/Passive-Comp...-Leaded/_/N-75hqw?Keyword=UKA0J471MPD&FS=True
6.3 Volts
ripple: 460 mA

https://www.mouser.com/Search/Refine?Keyword=UKA1V471MPD
35 Volts
ripple: 270 mA

and the 4.7 microFarad
https://www.mouser.com/_/?Keyword=UKA0J470MDD&bws=1