Why filter CAT-1 coolant?

[houli]

My truck is about to get the works done to it including cat-1 coolant. Is there any need to filter it? If its completely flushed and the cat1 doesn't break down why would filtering be necessary? Just for residual junk from old coolant?

[novemberdelta]

It wouldn't hurt. And I'm sure even the best flush isn't going to get every bit of crap out of the system.

[kinnisoj]

Your trying to get the casting sand/debri's out. Your not worried so much about the coolant but whats in it.

[kinnisoj]

Get a filter on that thing and you wont beleive how much trash is in their...

[jwsland]

Its tough getting everything out. I did a weekend flush totaling 12 hrs and my first few filters had some grit in them.

[blackhawk783]

Agree, put a filter on it and rest easy.

[Lumberg]

Besides...its fun!

[PGreenSVT]

You still want to filter out any rust, solder bloom, etc. that may break loose and be floating around in the cooling system.

[virginiagent]

Most diesel engines have coolant filters and run elc coolant. Coolant filters weren't invented because of the Ford gold coolant, it just seems that way. Coolant filters are often used to replenish the additives in coolant thus the difference in a charged filter and a non-charged filter. I say use a filter regardless of coolant type.

[Clay Henry]

I have a filter head and am going to get a Donaldson P550866 filter. Where is the best place to hook up the inlet and outlet.