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#16
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potassium hydroxide
Get it at your local candle / soap making store. It will probably pit and discolor the metal. And it will take your skin off if you dont wear gloves when handling it. http://en.wikipedia.org/wiki/Potassium_hydroxide Material safety data sheet. http://www.jtbaker.com/msds/englishhtml/p5884.htm
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When the power of love overcomes the love of power the world will know peace. Jimi Hendrix |
#17
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RichC,
Potassium Hydroxide should not be used on Alloy. It is highly corrosive to it. You can get an instant reaction. It will eat away the head quicker than it will dissolve the crud.
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Grumpy Old Diesel Owners Club group I no longer question authority, I annoy authority. More effect, less effort.... 1967 230-6 auto parts car. rust bucket. 1980 300D now parts car 800k miles 1984 300D 500k miles 1987 250td 160k miles English import 2001 jeep turbo diesel 130k miles 1998 jeep tdi ~ followed me home. Needs a turbo. 1968 Ford F750 truck. 6-354 diesel conversion. Other toys ~J.D.,Cat & GM ~ mainly earth moving |
#18
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There is nothing to worry about.
The problem is caused by leaky WVO from the return lines. The WVO has polymerized and became rubberized after contact with AIR. It is futile to try to dissolve with solvent. It will work but it will take a lot of solvent. You need to scrap it off.
This is what I did - remove the injectors and plug the hole with a small rag. Scrape everything from around the hole and try not to let and debris fall into the hole. That is the rag is for. Vacuum everthing off. Spray with WD40 to clean off the rest. You can do the same with the injector or soak it in gas. It would disolve all polmerized WVO. The inside of the engine should be OK if the WVO was fully combusted. The engine should be in reasonable shape since there is no smoke or a lot of blow-by. Change the return lines and you are good to go with diesel or alternate fuel again. BTW: you can scrap it off without removing the injector. It is just a bit more time consuming. Good luck.
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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed. W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html 1 X 2006 CDI 1 x 87 300SDL 1 x 87 300D 1 x 87 300TDT wagon 1 x 83 300D 1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry. |
#19
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Quote:
but in most cases i will agree potassium hydroxide will react with just about anything.
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When the power of love overcomes the love of power the world will know peace. Jimi Hendrix |
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