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ISUnorth · Posted: Sun Jan 09, 2011 5:39 am Post subject: Cleaning coolant recovery tank

Probably covered in an older post but I found a good tank cleaner. I tried dishwasher soap and hot water which flushed some of the crud out. Was looking at maybe using muriatic acid but saw some Zinsser paint brush cleaner in the same isle at Menards and bought a quart. It just dissolved all of the slimy brown crud in just a few minutes. I figured it’s pretty safe on the tank since it’s for cleaning brushes and most are synthetic with plastic bases and handles. Its water and soap clean up to. Wish I had a before picture, below is the after. Also maybe wish I hadn’t been so quick to buy a new tank to put in. I was just trying to clean the old one and replace it after I got the system flushed.

Captain_Kirk · Joined: 17 Dec 2009 Posts: 243 Location: Colbert, WA

I cleaned out my brake fluid rez when I changed all the brake fluid. The gunk in the bottom was black. I used brake cleaner and swished it around and an air hose to get it out. Now it's all clean like new and makes my coolant tank look ugly so it's on the list to do.
Yours is purdy.
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1977 924na BlackSeaRD.com Torque Tube SuperBearings, Xenon air dam, 200# Weltmeister springs, Bursch header, 944 exhaust, Audi throttle body

Nobbi · Joined: 24 Aug 2006 Posts: 1379 Location: Germany

Just got a new one from porsche for my 944 cabby.85.- Euros,no hassle...
Nobbi

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NA 924 - april/1977- 4-speed-audi gearbox.
500.000 km with fun.....and new toy:Porsche 944 S2 Cabriolet.Other car Daimler c-class cabby,brandnew..Plus : DEUTZ 4005 tractor Built 1969

Joes924Racer · Posted: Tue Mar 01, 2011 7:45 am Post subject:

Capn Kirk the tank has rust and crud in there he needs a good
cleaner. Brake cleaner would be a no go .. jus my 2 cents.
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1979 porsche 924 Na
1980 porsche Turbo 931GT Replica
Have u ever driven a turbo.