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What would Darth Vader do
Join Date: Feb 2001
Location: Orange, California
Posts: 1,324
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Cleaning coolant reservoir
Needed to replace my coolant reservoir so I got one from Ebay, good condition, great price. It was removed from a non working car and I noted that it had dried up "stuff" inside, tan/brown in color. I soaked it in Simple Green" overnight which removed some of it. Without knowing what this is, is there something safe I can use to really clean this out?
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1983 944 (2002 to now) 3-924's (Sold) 1967-912 (Traded) NEVER put a used water pump in your car... |
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07-13-2010, 02:53 PM
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Join Date: Mar 2008
Location: Chicagoland
Posts: 2,695
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try sloshing some white vinegar in then rinse it clean.
it's prob just dried up oxidized aluminum |
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07-13-2010, 03:01 PM
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Garage Helper
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If the deposits are not removed with the vinegar then more than likely to be mineral (Calcium Precipitate and or Lime Stone) deposits. So to get it real clean you will have to get drastic with either Muriatic or Sulfuric Acid. Either of the two acids will not attack the plastic but will dissolve the minerals, and then rinse with plenty of water. A good place to find better acid cleaners is at your local plumbing supply - sulfuric drain cleaner and not even close with the "Drano" junk.
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78-924 traded for 80-931 traded for 84-944 traded for 85.5-944 (7th one now).  UAV-M1 (Urban Assault Vehicle - Model 1) Bless the lowered, and pass the nitromethane. Pedal to the metal till you see the gates of hell then brake NLA - No longer available is a four letter word Last edited by Cocacolakidd; 07-13-2010 at 03:14 PM.. |
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07-13-2010, 03:12 PM
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unindicted co-conspirator
Join Date: Jul 2007
Location: Fresno, CA
Posts: 1,660
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it may be dried up "milkshake" try using a degreaser
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'03 996 - sport exhaust, sport seats, M030 sport suspension, stability control, IMS Solution ‘86 928S3 - barn find project car |
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07-13-2010, 03:20 PM
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Join Date: Jan 2003
Posts: 377
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I use a handfull or two of small finishing nails, the brown bumpy type, or some short roofing nails.. iron ones, so you can get them out with a magnet..
Simple green works well on oily deposits, however, it's harsh on some older plastics straight out of the bottle.. Close the hose ends off, then put in your cleaner and nails, then shake it around for a long time.. This dislodges the gunk and hard deposits inside just about any container, takes a while and alot of shaking, but it works and you're not messing with any CLR or harsh chemicals.. Shake with nails still inside till you can't do it, then flush it out and look for remaining deposits, continue shaking till they are gone.. Tthen remove the nails and flush it clean, ready to put back in. Use a magnet on a string or telescoping type mechanics magnet to remove the nails.
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"porsche it's an institution" |
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07-13-2010, 05:06 PM
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Registered
Join Date: Mar 2008
Location: Chicagoland
Posts: 2,695
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so who would like to demonstrate how to make a coolant tank martini? shaken not stirred
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07-13-2010, 06:06 PM
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Cogito Ergo Sum
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I gave up on my yellowed tank and got a shiney white new one... Money well spent IMHO....
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07-13-2010, 07:29 PM
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What would Darth Vader do
Join Date: Feb 2001
Location: Orange, California
Posts: 1,324
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Yes , I know.. But since I am on a severe budget and need new belts, rollers and clutch master and slave, I "do what you gotta do"
Quote:
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1983 944 (2002 to now) 3-924's (Sold) 1967-912 (Traded) NEVER put a used water pump in your car... |
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07-13-2010, 07:42 PM
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Registered
Join Date: Mar 2009
Posts: 40
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many have tried, but the plastic goes yellow with age, and there's nothing you can do to make it white again.
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07-13-2010, 08:13 PM
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ORACLE
1986 Porsche 944 2.5l
