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Question:

How do you remove the brownish exhaust fume stains from metal or plastic?

Motorcycle exhaust is producing brownish stains on my turn signals, brake light, exhaust pipe, etc.

Answer:

browned stainless steel? vinegar and tin foil.don't ask but trust me-it works. if you don't believe me do it on an inconspicuous area first.but don't put it anywhere else of course
yeah, its the refrigerant line for the AC system you are looking at 4hrs and about 10 lbs of refrigerant about a 600 dollar repair. next time use a contractor instead of dad it will be cheaper
I asked my husband this question and right off he said tire cleaner, so you never know but could be worth a shot
You need to be looking at what's producing the stains.overly rich fuel mixture. First off, make sure your air filter is clean and then go on from there. Get the too rich problem fixed and not only won't you have to scrape the soot off, you'll get better gas mileage.
That is part of the AC system. Copper would not be used for natural gas or LP.

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