Leaky capacitors need replacement?

Is it right that those capacitors have a life rating of 10,000 hours?

Rated 10,000 hours at 105°C, life of a capacitor doubles for every 10 degree Celsius decrease in temperature, that means the capacitor operating life at 55 °C is 320,000 hours!
If a capacitor rated 10,000 hours at 85°C, its operating life at 55 °C is 80,000 hours.

If this is truly a DC blocking capacitor for a power amplifier, then those capacitors are grossly under-rated for ripple current. That would lead to premature failure.

@imhifan Ah, I see. That is more comforting...

I will see if @clio09 has any of the original capacitors he can send me and if not I’ll buy the Nichicons as suggested and find someone local (if possible) to replace them.

@shawn3997

Just a FWIW, if those caps are used in an application where they are seeing a higher voltage closer to their rated voltage (in the photo it looks like its in a DC Blocker to me, but who knows), I can tell you from experience that those Illinois caps can do that well short of the time you expect of them. Switching to a Nichicon will assure longer life. As @clio09  recommends, replace them with the same value and voltage.

I will see if @clio09 has any of the original capacitors he can send me

Geez! why go that way, they look like old cheap stuff that may need to be formed, because they are so old, and the same thing may happen again.
Just get the better Nichicons I linked to for only a couple of bucks each.

Cheers George