Can this be repaired?

unrealii

I pulled these out of my car after having them in there for a year and a half. My car was up for sale and I wanted to keep these babies (db3000) to myself. I guess I forgot to take into account that water can get down in my doors, but the window seals look good and I placed the end with the wires towards the inside of the car.

I noticed that the rust can chip off. If I clean up the screws, should I be good to go?

Pic of my cross overs:

nemos2

You might try posting this in the car section as well.

ascienzo

Hi there:

Try coating the rusted areas with "Naval Jelly" --its a pink liquid that you can find at Home Depot...I would pull the screws off and do them separately...

Make sure you clean them thoroughly after treatment--if you want to be a real "fanatic" once you re-install the part, cover the screws and connectors with a hot glue gun (silicone) and you won't have to worry about this happening in the future...don't let the glue gun touch your wires!!

Rust will spread if left untreated, and you will lose your connection over time, as well as your component.

good luck,

unrealii

Thanks for the replies. These are going under the dash of my new car, so I dont need to worry about water getting in there. How would I treat the metal connections on the crossover itself? The inside looks good as new, so I believe all the rust is on the outside.

ascienzo

"Naval Jelly"

--It "eats rust" for a living...try it and see for yourself

unrealii

Originally posted by ascienzo
"Naval Jelly"

--It "eats rust" for a living...try it and see for yourself

Is it safe to use on the soldered parts? I opened one up and saw a little rust and some white corosion or something.

ascienzo

It shouldn't harm anything as long as you clean it off thoroughly and make sure the component is dry prior to putting it back together or using it--be patient and you shouldn't have any problems--allow things to dry overnight before re-assembling.

good luck

unrealii

Thanks for the help. It is greatly appreciated

unrealii

I tried naval jelly. It helped a little bit, but there is still a lot of rush left. I'm guessing I have to either replace these or use the cross over on my amp which isn't as safe for the tweeters.

exalted512

have you looked into getting new screws?
call polk, they might be able to help you out with that
-Cody

ascienzo

Hi there:

You may need to try repeat treatments on the contacts with the Naval Jelly. A new set of screws sounds like a good idea--it's really hard from your photo to see how badly the rust has invaded...

Try using an old toothbrush with the naval jelly but you really need to let the jelly soak the parts--I understand this is hard to do without ruining the component, but it's the only thing I think would really help you.

Good luck.

unrealii

Thanks for the suggestions. I called up Polk and talked to Kim. He was very helpful and suggested I try Flitz. It is item# 60436 on www.micro-mark.com . I'm going to order that stuff and try it out. If I replace the screws, and clean the terminals I think I should be fine. I tested some of the components on the crossovers with a multimeter and they are reading correctly.